msp430x2xx中文版用户指南官方用户指南中文版，非常详细，很有用,以下是目录 perface

文件名称: msp430x2xx中文版用户指南

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详细说明：官方用户指南中文版，非常详细，很有用,以下是目录 perface...................................................................................................................................... 21 1 简介 .................................................................................................................................. 23 1.1 架构 .......................................................................................................................... 24 1.2 灵活的时钟系统 ................................................................................ ............................ 24 1.3 嵌入式仿真 ................................................................................................................. 25 1.4 地址空间 .................................................................................................................... 25 1.4.1 闪存 / ROM ........................................................................................................ 25 1.4.2 RAM ................................................................................................................ 26 1.4.3 外设模块 ........................................................................................................... 26 1.4.4 特别功能寄存器(SFR) ............................................................................................ 26 1.4.5 内存组织 ........................................................................................................... 26 1.5 MSP430x2xx 系列改进和增强 ........................................................................................... 27 2 系统复位、中断、和运行模式 ................................................................................................. 28 2.1 系统复位和初始化 ......................................................................................................... 29 2.1.1 欠压复位 (BOR) ................................................................................................... 29 2.1.2 系统复位后的器件初始条件 ...................................................................................... 30 2.2 中断 .......................................................................................................................... 31 2.2.1 (不)可屏蔽中断 (NMI) ......................................................................................... 31 2.2.2 可屏蔽中断 ........................................................................................................ 34 2.2.3 中断处理 ........................................................................................................... 35 2.2.4 中断矢量 ........................................................................................................... 37 2.3 操作模式 .................................................................................................................... 38 2.3.1 进入和退出低功耗模式 ........................................................................................... 40 2.4 低功耗应用的原则 ......................................................................................................... 40 2.5 未使用引脚的连接 ......................................................................................................... 41 3 CPU ................................................................................................................................. 42 3.1 CPU 介绍 ................................................................................................................... 43 3.2 CPU 寄存器 ................................................................................................................ 44 3.2.1 程序计数器 (PC) .................................................................................................. 44 3.2.2 堆栈指针 (SP) ..................................................................................................... 45 3.2.3 堆栈寄存器 (SR) .................................................................................................. 45 3.2.4 常量发生器寄存器 CG1 和 CG2 ................................................................................ 46 3.2.5 通用寄存器 R4 至R15 ............................................................................................ 47 3.3 寻址模式 .................................................................................................................... 47 3.3.1 寄存器模式 ........................................................................................................ 49 3.3.2 已索引模式 ........................................................................................................ 50 3.3.3 符号模式 ........................................................................................................... 51 3.3.4 绝对模式 ........................................................................................................... 52 3.3.5 间接寄存器模式 ................................................................................................... 53 3.3.6 间接自动递增模式 ................................................................................................ 54 3.3.7 立即模式 ........................................................................................................... 55 3.4 指令集 ....................................................................................................................... 56 2 内容 3.4.1 3.4.2 3.4.3 双操作数(格式 I)指令 ......................................................................................... 57 单操作数(格式 II)指令 ......................................................................................... 58 跳转 ................................................................................................................. 59 ZHCU032I – December 2004 – Revised January 2012 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 3.4.4 指令周期和长度 ................................................................................................... 60 3.4.5 指令集说明 ........................................................................................................ 62 3.4.6 指令集细节 ........................................................................................................ 64 4 CPUX .............................................................................................................................. 115 4.1 CPU 介绍 .................................................................................................................. 116 4.2 中断 ........................................................................................................................ 118 4.3 CPU 寄存器 ............................................................................................................... 119 4.3.1 程序计数器 (PC) ................................................................................................. 119 4.3.2 堆栈指针 (SP) ................................................................................................... 119 4.3.3 状态寄存器 (SR) ................................................................................................. 120 4.3.4 常数发生器寄存器(CG1 和 CG2) .......................................................................... 122 4.3.5 通用寄存器(R4 至 R15) ..................................................................................... 123 4.4 寻址模式 ................................................................................................................... 125 4.4.1 寄存器模式 ....................................................................................................... 126 4.4.2 已索引的模式: .................................................................................................. 127 4.4.3 符号模式 .......................................................................................................... 131 4.4.4 绝对模式 .......................................................................................................... 136 4.4.5 间接寄存器模式 .................................................................................................. 138 4.4.6 间接自动递增模式 ............................................................................................... 139 4.4.7 立即模式 .......................................................................................................... 140 4.5 MSP430 和 MSP430X 指令 ............................................................................................ 142 4.5.1 MSP430 指令 .................................................................................................... 142 4.5.2 MSP430 扩展指令 ............................................................................................... 147 4.6 指令集说明 ................................................................................................................ 160 4.6.1 扩展指令二进制说明 ............................................................................................ 161 4.6.2 MSP430 指令 .................................................................................................... 163 4.6.3 MSP430X 扩展指令 ............................................................................................. 215 4.6.4 MSP430X 寻址指令 ............................................................................................. 256 5 基本时钟模块+ .................................................................................................................. 271 5.1 基本时钟模块+ 介绍 ..................................................................................................... 272 5.2 基本时钟模块+ 的操作 ................................................................................................... 274 5.2.1 低功耗应用的基本时钟模块+ 的特性 .......................................................................... 274 5.2.2 内部超低功耗低频振荡器 (VLO) ............................................................................... 275 5.2.3 LFXT1 振荡器 ................................................................................................... 275 5.2.4 XT2 振荡器 ....................................................................................................... 276 5.2.5 数控振荡器(DCO) ............................................................................................... 276 5.2.6 DCO 调制器 ...................................................................................................... 277 5.2.7 基本时钟模块+ 的故障安全操作 ............................................................................... 278 5.2.8 时钟信号的同步 .................................................................................................. 279 5.3 基本时钟模块+ 寄存器 ................................................................................................... 280 5.3.1 DCOCTL,DCO 控制寄存器 .................................................................................. 281 5.3.2 BCSCTL1,基础时钟系统控制寄存器 1 ...................................................................... 281 5.3.3 BCSCTL2,基础时钟系统控制寄存器 2 ...................................................................... 282 5.3.4 BCSCTL3,基础时钟系统控制寄存器 3 ...................................................................... 283 5.3.5 IE1,中断使能寄存器 1 ......................................................................................... 284 5.3.6 IFG1,中断标志寄存器 1 ....................................................................................... 284 6 DMA 控制器 ..................................................................................................................... 285 介绍 ................................................................................................................. 286 6.1 DMA 6.2 DMA ZHCU032I–December 2004–Revised January 2012 内容 3 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 操作 ................................................................................................................. 288 6.2.1 DMA 寻址模式 ................................................................................................... 288 6.2.2 DMA 传输模式 ................................................................................................... 289 6.2.3 初始化 DMA 传输 ............................................................................................... 295 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 6.2.4 停止 DMA 传输 .................................................................................................. 296 6.2.5 DMA 通道的优先级 ............................................................................................. 297 6.2.6 DMA 传输周期 ................................................................................................... 297 6.2.7 使用带有系统中断的 DMA ..................................................................................... 297 6.2.8 DMA 控制器中断 ................................................................................................ 298 6.2.9 在 DMA控制器下使用 USCI_B I2C 模块 ...................................................................... 298 6.2.10 在DMA控制器下使用ADC12 ............................................................................... 298 6.2.11 在DMA控制器下使用DAC12 ............................................................................... 299 6.2.12 在DMA控制器下写入闪存 ................................................................................... 299 6.3 DMA 寄存器 ............................................................................................................... 300 6.3.1 DDMACTL0,DMA 控制寄存器 0 ............................................................................. 301 6.3.2 DDMACTL1,DMA 控制寄存器 1 ............................................................................. 301 6.3.3 DMAxCTL,DMA通道 x 控制寄存器 ......................................................................... 302 6.3.4 DMAxSA,DMA 源地址寄存器 ................................................................................ 303 6.3.5 DMAxDA,DMA 目的地址寄存器 ............................................................................. 304 6.3.6 DMAxSZ,DMA 大小地址寄存器 ............................................................................. 304 6.3.7 DMAIV,DMA 中断向量寄存器 ................................................................................ 305 7 闪存存储器控制器 .............................................................................................................. 306 7.1 闪存存储器介绍 ........................................................................................................... 307 7.2 闪存存储器分段 ........................................................................................................... 307 7.2.1 段 A ............................................................................................................... 308 7.3 闪存存储器运行 ........................................................................................................... 309 7.3.1 闪存存储器时序发生器 ......................................................................................... 309 7.3.2 擦除闪存存储器 .................................................................................................. 310 7.3.3 写入闪存存储器 .................................................................................................. 313 7.3.4 写入或擦除期间的闪存存储器访问 ............................................................................ 318 7.3.5 停止一个写入或擦除周期 ....................................................................................... 318 7.3.6 边界读取模式 .................................................................................................... 319 7.3.7 配置和访问闪存存储器控制器 ................................................................................. 319 7.3.8 闪存存储器控制器中断 ......................................................................................... 319 7.3.9 编辑闪存存储器器件 ............................................................................................ 319 7.4 闪存存储器寄存器 ........................................................................................................ 321 7.4.1 FCTL1,闪存存储器控制寄存器 ............................................................................... 322 7.4.2 FCTL2,闪存存储器控制寄存器 ............................................................................... 322 7.4.3 FCTL3,闪存存储器控制寄存器 ............................................................................... 323 7.4.4 FCTL4,闪存存储器控制寄存器 ............................................................................... 324 7.4.5 IE1,中断启用寄存器1 ......................................................................................... 324 8 数字 I/O ........................................................................................................................... 325 8.1 数字 I/O 介绍 ............................................................................................................. 326 8.2 数字 I/O 运行 ............................................................................................................. 326 8.2.1 输入寄存器 PxIN ................................................................................................ 326 8.2.2 输出寄存器 PxOUT ............................................................................................. 326 8.2.3 方向寄存器 PxDIR .............................................................................................. 327 8.2.4 上拉/下拉电阻器使能寄存器PxREN .......................................................................... 327 8.2.5 功能选择寄存器 PxSEL 和PxSEL2 ........................................................................... 327 8.2.6 引脚振荡器 ....................................................................................................... 328 8.2.7 P1 和 P2 中断 ................................................................................................... 329 8.2.8 配置未使用的端口引脚 ......................................................................................... 330 8.3 输入 I/O 寄存器 ........................................................................................................... 331 9 电源电压监控器 (SVS) ........................................................................................................ 333 4 内容 9.1 9.2 电源电压监控器 (SVS) 介绍 ............................................................................................ 334 SVS 运行 .................................................................................................................. 335 9.2.1 配置 SVS ......................................................................................................... 335 ZHCU032I – December 2004 – Revised January 2012 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 9.2.2 SVS 比较器运行 ................................................................................................. 335 9.2.3 更改 VLDx 位 .................................................................................................... 335 9.2.4 SVS 运行范围 ................................................................................................... 336 9.3 SVS 寄存器 ............................................................................................................... 337 9.3.1 SVSCTL, SVS 控制寄存器 ..................................................................................... 338 10 安全装置定时器+ (WDT+) .................................................................................................... 339 10.1 安全装置定时器+ (WDT+) 介绍 ........................................................................................ 340 10.2 安全装置定时器+ 操作 ................................................................................................... 342 10.2.1 安全装置定时器+ 计数器 ...................................................................................... 342 10.2.2 安全装置模式 ................................................................................................... 342 10.2.3 间隔定时器模式 ................................................................................................ 342 10.2.4 安全装置定时器+ 的中断 ...................................................................................... 342 10.2.5 安全装置定时器+时钟故障安全操作......................................................................... 343 10.2.6 在低功耗模式下的操作 ........................................................................................ 343 10.2.7 软件示例......................................................................................................... 343 10.3 安全装置定时器+ 寄存器 ................................................................................................ 344 10.3.1 WDTCTL,安全装置定时器+ 寄存器 ........................................................................ 345 10.3.2 IE1,中断使能寄存器 1 ....................................................................................... 346 10.3.3 IFG1,中断标志寄存器 1 ..................................................................................... 346 11 硬件乘法器 ....................................................................................................................... 347 11.1 硬件乘法器介绍 ........................................................................................................... 348 11.2 硬件乘法器操作 ........................................................................................................... 348 11.2.1 操作数寄存器 ................................................................................................... 349 11.2.2 结果寄存器 ...................................................................................................... 349 11.2.3 软件示例......................................................................................................... 350 11.2.4 RESLO 的间接寻址 ............................................................................................ 351 11.2.5 使用中断......................................................................................................... 351 11.3 硬件乘法器寄存器 ........................................................................................................ 352 12 定时器_A ......................................................................................................................... 353 12.1 定时器_A 介绍 ............................................................................................................ 354 12.2 定时器_A 的运行 ......................................................................................................... 355 12.2.1 16 位定时计数器 ............................................................................................... 355 12.2.2 启动定时器 ...................................................................................................... 356 12.2.3 定时器模式控制 ................................................................................................ 356 12.2.4 捕捉/比较区块 .................................................................................................. 360 12.2.5 输出单元......................................................................................................... 361 12.2.6 定时器_A中断.................................................................................................. 365 12.3 定时器_A 寄存器 ......................................................................................................... 367 12.3.1 TACTL,定时器_A 控制寄存器 .............................................................................. 368 12.3.2 TAR,定时器_A 寄存器 ....................................................................................... 369 12.3.3 TACCRx,定时器_A 捕捉/比较寄存器x ..................................................................... 369 12.3.4 TACCTLx,捕捉/比较控制寄存器 ............................................................................ 370 12.3.5 TAIV,定时器_A 中断矢量寄存器 ............................................................................ 371 13 定时器_B ......................................................................................................................... 372 13.1 定时器_B 的介绍 ......................................................................................................... 373 13.1.1 与定时器_A 的相似和不同之处 ............................................................................... 373 13.2 定时器_B 的操作 ......................................................................................................... 375 13.2.1 16 位定时器计数器 ............................................................................................. 375 13.2.2 启动定时器 ...................................................................................................... 375 13.2.3 定时器模式控制 ................................................................................................ 375 13.2.4 捕捉/比较块 ..................................................................................................... 379 13.2.5 输出单元......................................................................................................... 382 ZHCU032I–December 2004–Revised January 2012 内容 5 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 13.2.6 定时器_B 的中断 ............................................................................................... 386 13.3 定时器_B 的寄存器 ...................................................................................................... 388 13.3.1 定时器_B的控制寄存器TBCTL.............................................................................. 389 13.3.2 TBR,定时器_B 的寄存器 .................................................................................... 390 13.3.3 TBCCRx,定时器_B 的捕捉/比较寄存器 x ................................................................. 390 13.3.4 TBCCTLx,捕获/比较控制寄存器 ............................................................................ 391 13.3.5 TBIV,定时器_B 的中断向量寄存器 ......................................................................... 392 14 通用串行接口 (USI) ............................................................................................................ 393 14.1 USI 介绍 ................................................................................................................... 394 14.2 USI 运行 ................................................................................................................... 397 14.2.1 USI 初始化 ...................................................................................................... 397 14.2.2 USI 时钟生成 ................................................................................................... 397 14.2.3 SPI 模式 ......................................................................................................... 398 14.2.4 I2C 模式 .......................................................................................................... 400 14.3 USI 寄存器 ................................................................................................................ 403 14.3.1 USICTL0,USI 控制寄存器 0 ................................................................................ 404 14.3.2 USICTL1,USI 控制寄存器 1 ................................................................................ 405 14.3.3 USICKCTL,USI 时钟控制寄存器 ........................................................................... 406 14.3.4 USICNT,USI 位计数器寄存器 .............................................................................. 406 14.3.5 USISRL,USI 低字节移位寄存器 ............................................................................ 407 14.3.6 USISRH,USI 高字节移位寄存器 ............................................................................ 407 15 通用串行通信接口,UART 模式 ............................................................................................ 408 15.1 USCI 概述 ................................................................................................................. 409 15.2 USCI 介绍:UART 模式 ................................................................................................. 409 15.3 USCI 操作:UART 模式 ................................................................................................. 411 6 内容 15.3.1 15.3.2 15.3.3 15.3.4 15.3.5 15.3.6 15.3.7 15.3.8 15.3.9 15.3.10 15.3.11 15.3.12 15.3.13 15.3.14 15.3.15 USCI 初始化和复位 ............................................................................................ 411 字符格式......................................................................................................... 411 异步通信格式 ................................................................................................... 411 自动波特率检测 ................................................................................................ 414 IrDA 编码和解码 ................................................................................................ 415 自动错误检测 ................................................................................................... 416 USCI 接收使能 ................................................................................................. 416 USCI 发送使能 ................................................................................................. 417 UART 波特率生成 .............................................................................................. 417 设置一个波特率 ............................................................................................... 419 发送位的时序.................................................................................................. 420 接收位时序 .................................................................................................... 420 典型的波特率和错误.......................................................................................... 422 在低功耗模式下UART模式中使用USCI模块........................................................... 424 USCI 中断 ..................................................................................................... 424 15.4 USCI 寄存器:UART 模式 .............................................................................................. 426 15.4.1 15.4.2 15.4.3 15.4.4 15.4.5 15.4.6 15.4.7 15.4.8 15.4.9 15.4.10 15.4.11 15.4.12 UCAxCTL0,USCI_Ax 控制寄存器 0 ....................................................................... 427 UCAxCTL1,USCI_Ax 控制寄存器 1 ....................................................................... 428 UCAxBR0,USCI_Ax 波特率控制寄存器 0 ................................................................. 428 UCAxBR1,USCI_Ax 波特率控制寄存器 1 ................................................................. 428 UCAxMCTL,USCI_Ax 调制控制寄存器 .................................................................... 429 UCAxSTAT,USCI_Ax 状态寄存器 ......................................................................... 429 UCAxRXBUF,USCI_Ax 接收缓冲寄存器 .................................................................. 430 UCAxTXBUF,USCI_Ax 发送缓冲寄存器 .................................................................. 430 UCAxIRTCTL,USCI_Ax IrDA 发送缓冲寄存器 ........................................................... 430 UCAxIRRCTL,USCI_Ax IrDA 接收控制寄存器 ......................................................... 430 UCAxABCTL,USCI_Ax 自动波特率控制寄存器 ......................................................... 431 IE2,中断使能寄存器 2 ...................................................................................... 431 ZHCU032I – December 2004 – Revised January 2012 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 15.4.13 IFG2,中断标志寄存器 2 .................................................................................... 431 15.4.14 UC1IE,USCI_A1 中断使能寄存器 ........................................................................ 432 15.4.15 UC1IFG,USCI_A1 中断标志寄存器 ...................................................................... 432 16 通用串行通信接口,SPI 模式。 ............................................................................................ 433 16.1 USCI 概述 ................................................................................................................. 434 16.2 USCI 介绍:SPI 模式 .................................................................................................... 434 16.3 USCI 操作: SPI 模式 ..................................................................................................... 436 16.3.1 USCI 的初始化和复位 ......................................................................................... 436 16.3.2 字符格式......................................................................................................... 437 16.3.3 主控模式......................................................................................................... 437 16.3.4 受控模式......................................................................................................... 438 16.3.5 SPI 使能 ......................................................................................................... 439 16.3.6 穿行时钟控制 ................................................................................................... 439 16.3.7 使用SPI低功耗模式........................................................................................... 440 16.3.8 SPI 中断 ......................................................................................................... 440 16.4 USCI 寄存器:SPI 模式 ................................................................................................. 442 16.4.1 UCAxCTL0,USCI_Ax 控制寄存器 0,UCBxCTL0,USCI_Bx 控制寄存器 0 ......................... 443 16.4.2 UCAxCTL1,USCI_Ax 控制寄存器 1,UCBxCTL1,USCI_Bx 控制寄存器 1 ......................... 443 16.4.3 UCAxBR0,USCI_Ax 比特率控制寄存器 0,UCBxBR0,USCI_Bx 比特率控制寄存器 0 ........... 444 16.4.4 UCAxBR1,USCI_Ax 比特率控制寄存器 1,UCBxBR1,USCI_Bx 比特率控制寄存器 1 ........... 444 16.4.5 UCAxSTAT,USCI_Ax 状态寄存器,UCBxSTAT,USCI_Bx 状态寄存器 ............................. 444 16.4.6 UCAxRXBUF,USCI_Ax 接收缓冲寄存器,UCBxRXBUF,USCI_Bx 接收缓冲寄存器 ............. 444 16.4.7 UCAxTXBUF,USCI_Ax 发送缓冲寄存器,UCBxTXBUF,USCI_Bx 发送缓冲寄存器 .............. 445 16.4.8 IE2,中断使能寄存器 2 ....................................................................................... 445 16.4.9 IFG2,中断标志寄存器 2 ..................................................................................... 445 16.4.10 UC1IE,USCI_A1/USCI_B1 中断使能寄存器 ............................................................ 446 16.4.11 UC1IFG,USCI_A1/USCI_B1 中断标志寄存器 .......................................................... 446 17 通用串行通信接口,I2C 模式 ................................................................................................ 447 17.1 USCI 概述 ................................................................................................................. 448 17.2 USCI 介绍:I2C 模式 .................................................................................................... 448 17.3 USCI 运行:I2C 模式 .................................................................................................... 449 17.3.1 USCI 初始化和复位 ............................................................................................ 450 17.3.2 I2C 串行数据 .................................................................................................... 450 17.3.3 I2C 寻址模式 .................................................................................................... 451 17.3.4 I2C 模块的运行模式 ............................................................................................ 452 17.3.5 I2C 时钟的发生与同步 ......................................................................................... 462 17.3.6 在处于低功耗模式中的 I2C 模式中使用 USCI 模块 ........................................................ 463 17.3.7 I2C 模式下的 USCI 中断 ....................................................................................... 463 17.4 USCI 寄存器:I2C 模式 .................................................................................................. 465 17.4.1 UCBxCTL0,USCI_Bx 控制寄存器 0 ....................................................................... 466 17.4.2 UCBxCTL1,USCI_Bx 控制寄存器 1 ....................................................................... 467 17.4.3 UCBxBR0, USCI_Bx 波特率控制寄存器 0 .................................................................. 467 17.4.4 UCBxBR1, USCI_Bx 波特率控制寄存器 1 .................................................................. 467 17.4.5 UCBxSTAT,USCI_Bx 状态寄存器 ......................................................................... 468 17.4.6 UCBxRXBUF,USCI_Bx 接收缓冲寄存器 .................................................................. 468 17.4.7 UCBxTXBUF,USCI_Bx 发送缓冲寄存器 .................................................................. 468 17.4.8 UCBxI2COA,USCIBx I2C 本地地址寄存器 ................................................................ 469 17.4.9 UCBxI2CSA,USCI_Bx I2C 从器件地址寄存器 ............................................................ 469 17.4.10 UCBxI2CIE,USCI_Bx I2C 中断使能寄存器 .............................................................. 469 17.4.11 IE2,中断使能寄存器 2 ...................................................................................... 470 17.4.12 IFG2,中断标志寄存器 2 .................................................................................... 470 17.4.13 UC1IE,USCI_B1 中断使能寄存器 ........................................................................ 470 17.4.14 UC1IFG,USCI_B1 中断标志寄存器 ...................................................................... 471 ZHCU032I–December 2004–Revised January 2012 内容 7 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated 19.3 USART 19.3.1 UxCTL,USART 控制寄存器 ................................................................................. 506 19.3.2 UxTCTL,USART 发送控制寄存器 .......................................................................... 506 19.3.3 UxRCTL,USART 接收控制寄存器 .......................................................................... 507 19.3.4 UxBR0,USART 波特率控制寄存器 0 ...................................................................... 507 19.3.5 UxBR1,USART 波特率控制寄存器 1 ...................................................................... 507 19.3.6 UxMCTL,USART 调制控制寄存器 ......................................................................... 507 19.3.7 UxRXBUF,USART 接收缓冲寄存器 ....................................................................... 507 19.3.8 UxTXBUF,USART 发送缓冲寄存器 ........................................................................ 508 19.3.9 ME1,模块使能寄存器 1 ...................................................................................... 508 19.3.10 ME2,模块使能寄存器 2 .................................................................................... 508 19.3.11 IE1,中断使能寄存器 1 ...................................................................................... 508 19.3.12 IE2,中断使能寄存器 2 ...................................................................................... 509 19.3.13 IFG1,中断标志寄存器 1 .................................................................................... 509 19.3.14 IFG2,中断标志寄存器 2 .................................................................................... 509 20 OA ................................................................................................................................. 510 20.1 20.2 OA 介绍 ................................................................................................................... 511 OA 操作 ................................................................................................................... 512 ZHCU032I – December 2004 – Revised January 2012 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 www.ti.com.cn 18 USART 外设接口,USART 模式 .......................................................................................... 472 18.1 USART 介绍:USART 模式 ............................................................................................ 473 18.2 USART 运行:UART 模式 .............................................................................................. 474 18.2.1 USART 初始化和复位 ......................................................................................... 474 18.2.2 字符格式......................................................................................................... 475 18.2.3 异步通信格式 ................................................................................................... 475 18.2.4 USART 接收使能 ............................................................................................... 478 18.2.5 USART 发送使能 ............................................................................................... 478 18.2.6 USART 波特率生成 ............................................................................................ 479 18.2.7 USART 中断 .................................................................................................... 485 18.3 USART 寄存器:UART 模式 ........................................................................................... 488 18.3.1 UxCTL,USART 控制寄存器 ................................................................................. 489 18.3.2 UxTCTL,USART 发送控制寄存器 .......................................................................... 490 18.3.3 UxRCTL,USART 接收控制寄存器 .......................................................................... 491 18.3.4 UxBR0,USART 波特率控制寄存器 0 ...................................................................... 491 18.3.5 UxBR1,USART 波特率控制寄存器 1 ...................................................................... 491 18.3.6 UxMCTL,USART 调制控制寄存器 ......................................................................... 492 18.3.7 UxRXBUF,USART 接收缓冲寄存器 ....................................................................... 492 18.3.8 UxTXBUF,USART 发送缓冲寄存器 ........................................................................ 492 18.3.9 ME1,模块使能寄存器 1 ...................................................................................... 492 18.3.10 ME2,模块使能寄存器 2 .................................................................................... 492 18.3.11 IE1,中断使能寄存器 1 ...................................................................................... 493 18.3.12 IE2,中断使能寄存器 2 ...................................................................................... 493 18.3.13 IFG1,中断标志寄存器 1 .................................................................................... 493 18.3.14 IFG2,中断标志寄存器 2 .................................................................................... 494 19 USART 外设接口,SPI 模式。 ............................................................................................. 495 19.1 USART 介绍:SPI 模式 ................................................................................................. 496 19.2 USART 操作:SPI 模式 ................................................................................................. 498 19.2.1 USART 的初始化和复位 ....................................................................................... 498 19.2.2 主控模式......................................................................................................... 499 19.2.3 受控模式......................................................................................................... 499 19.2.4 SPI 使能 ......................................................................................................... 500 19.2.5 串行时钟控制 ................................................................................................... 501 19.2.6 SPI 中断 ......................................................................................................... 503 寄存器:SPI 模式 .............................................................................................. 505 8 内容版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 20.2.1 OA 放大器 ....................................................................................................... 513 20.2.2 OA 输入 ......................................................................................................... 513 20.2.3 OA 输出和反馈路线 ............................................................................................ 513 20.2.4 OA 配置 ......................................................................................................... 513 20.3 OA 寄存器 ................................................................................................................. 519 20.3.1 OAxCTL0,运算放大器控制寄存器 0 ........................................................................ 520 20.3.2 OAxCTL1,运算放大器控制寄存器 1 ........................................................................ 521 21 比较器_A+ (Comparator_A+) .............................................................................................. 522 21.1 比较器_A+ 介绍 .......................................................................................................... 523 21.2 比较器_A+ 的操作 ........................................................................................................ 524 21.2.1 比较器 ........................................................................................................... 524 21.2.2 输入模拟开关 ................................................................................................... 524 21.2.3 输入短路开关 ................................................................................................... 525 21.2.4 输出滤波器 ...................................................................................................... 525 21.2.5 基准电压发生器 ................................................................................................ 526 21.2.6 比较器A+,端口禁用寄存器CAPD ........................................................................... 526 21.2.7 比较器_A+的中断.............................................................................................. 527 21.2.8 比较器_A+ 用于测量电阻元件 ................................................................................ 527 21.3 比较器_A+ 寄存器 ........................................................................................................ 529 21.3.1 CACTL1,比较器_A+ 控制寄存器1 .......................................................................... 530 21.3.2 CACTL2,比较器_A+,控制寄存器 ......................................................................... 531 21.3.3 CAPD,比较器_A+,端口禁用寄存器 ....................................................................... 531 22 ADC10 ............................................................................................................................ 532 22.1 ADC10 介绍 ............................................................................................................... 533 22.2 ADC10 的运行 ............................................................................................................ 535 22.2.1 10 位 ADC 内核 ................................................................................................ 535 22.2.2 ADC10 输入和多路器 .......................................................................................... 535 22.2.3 基准电压产生器 ................................................................................................ 536 22.2.4 自动关断......................................................................................................... 536 22.2.5 采样和转换时序 ................................................................................................ 536 22.2.6 转换时间......................................................................................................... 538 22.2.7 ADC10 数据传输控制器 ....................................................................................... 543 22.2.8 使用集成温度传感器 ........................................................................................... 548 22.2.9 ADC10 接地和噪声考虑 ....................................................................................... 549 22.2.10 ADC10 中断 ................................................................................................... 550 22.3 ADC10 寄存器 ............................................................................................................ 551 22.3.1 ADC10CTL0,ADC10 控制寄存器0 ......................................................................... 552 22.3.2 ADC10CTL1,ADC10 控制寄存器1 ......................................................................... 554 22.3.3 ADC10AE0,模拟(输入)使能控制寄存器 0 .............................................................. 555 22.3.4 ADC10AE1,模拟(输入)使能控制寄存器 1(仅适用于 MSP430F22xx) ........................... 555 22.3.5 ADC10MEM,转换存储寄存器,二进制格式 ............................................................... 555 22.3.6 ADC10MEM,转换存储寄存器,2 补码格式 ............................................................... 556 22.3.7 ADC10DTC0,数据传输控制寄存器 0 ...................................................................... 556 22.3.8 ADC10DTC1,数据传输控制寄存器 1 ...................................................................... 556 22.3.9 ADC10SA,数据传输的开始地址寄存器 .................................................................... 557 23 ADC12 ............................................................................................................................ 558 23.1 ADC12 介绍 ............................................................................................................... 559 23.2 ADC12 的操作 ............................................................................................................ 561 23.2.1 12 位 ADC 内核 ................................................................................................ 561 23.2.2 ADC12 输入和多路复用器 .................................................................................... 561 23.2.3 基准电压产生器 ................................................................................................ 562 23.2.4 采样和转换时序 ................................................................................................ 562 23.2.5 转换存储器 ...................................................................................................... 564 ZHCU032I–December 2004–Revised January 2012 内容 9 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 版权 © 2004–2012, Texas Instruments Incorporated 10 内容 26.3.1 26.3.2 26.3.3 26.3.4 26.3.5 SD16CTL,SD16_A 控制寄存器 ............................................................................ 610 SD16CCTL0, SD16_A 控制寄存器 0 ........................................................................ 611 SD16INCTL0,SD16_A 输入控制寄存器 ................................................................... 612 SD16MEM0,SD16_A 转换存储寄存器 .................................................................... 613 SD16AE,SD16_A 模拟输入使能寄存器 ................................................................... 613 ZHCU032I – December 2004 – Revised January 2012 SLAU144 — http://www-s.ti.com/sc/techlit/SLAU144 www.ti.com.cn 23.2.6 ADC12转换模式 ................................................................................................ 564 23.2.7 使用集成温度传感器 ........................................................................................... 569 23.2.8 ADC12 接地和噪声考虑 ....................................................................................... 570 23.2.9 ADC12 中断 .................................................................................................... 571 23.3 ADC12 寄存器 ............................................................................................................ 573 23.3.1 ADC12CTL0,ADC12 控制寄存器 0 ........................................................................ 574 23.3.2 ADC12CTL1,ADC12 控制寄存器 1 ........................................................................ 576 23.3.3 ADC12MEMx,ADC12 转换存储器寄存器 ................................................................. 577 23.3.4 ADC12MCTLx,ADC12转换存储控制寄存器 .............................................................. 577 23.3.5 ADC12IE,ADC12 中断使能寄存器 ......................................................................... 578 23.3.6 ADC12IFG,ADC12 中断标志寄存器 ....................................................................... 578 23.3.7 ADC12IV,ADC12 中断向量寄存器 ......................................................................... 579 24 TLV 结构 ......................................................................................................................... 580 24.1 TLV 介绍 .................................................................................................................. 581 24.2 支持的标签 ................................................................................................................ 581 24.2.1 DCO 校准 TLV 结构 ........................................................................................... 582 24.2.2 TAG_ADC12_1 校准 TLV结构 ............................................................................... 583 24.3 检查段 A 的完整性 ....................................................................................................... 585 24.4 分解段 A 的 TLV 结构 ................................................................................................... 585 25 DAC12 ............................................................................................................................ 586 25.1 DAC12 介绍 ............................................................................................................... 587 25.2 DAC12 运行 ............................................................................................................... 589 25.2.1 DAC12 内核 .................................................................................................... 589 25.2.2 DAC12 基准 .................................................................................................... 589 25.2.3 更新DAC12电压输出......................................................................................... 589 25.2.4 DAC12_xDAT 数据格式 ....................................................................................... 590 25.2.5 DAC12 输出放大器的失调校准 ............................................................................... 590 25.2.6 编组多个DAC12模块......................................................................................... 591 25.2.7 DAC12 中断 .................................................................................................... 592 25.3 DAC12 寄存器 ............................................................................................................ 593 25.3.1 DAC12_xCTL,DAC12 控制寄存器 ......................................................................... 594 25.3.2 DAC12_xDAT,DAC12 数据寄存器 ......................................................................... 595 26 SD16_A ........................................................................................................................... 596 26.1 SD16_A 介绍 ............................................................................................................. 597 26.2 SD16_A 操作 ............................................................................................................. 599 26.2.1 ADC 芯片 ....................................................................................................... 599 26.2.2 模拟输入范围和PGA .......................................................................................... 599 26.2.3 基准电压发生器 ................................................................................................ 599 26.2.4 自动断电......................................................................................................... 599 26.2.5 模拟输入对选择 ................................................................................................ 599 26.2.6 模拟输入特性 ................................................................................................... 600 26.2.7 数字滤波器 ...................................................................................................... 601 26.2.8 转换存储寄存器:SD16MEM0 ............................................................................... 605 26.2.9 转换时间......................................................................................................... 606 26.2.10 使用集成的温度转换器。 .................................................................................... 606 26.2.11 中断处理 ....................................................................................................... 607 26.3 SD16_A 寄存器 ........................................................................................................... 609 版权 © 2004–2012, Texas Instruments Incorporated www.ti.com.cn 26.3.6 SD16IV,SD16_A 中断向量寄存器 .......................................................................... 613 27 SD24_A ........................................................................................................................... 614 27.1 SD24_A 介绍 ............................................................................................................. 615 27.2 SD24_A 的操作 ........................................................................................................... 617 27.2.1 ADC 芯片 ....................................................................................................... 617 27.2.2 模拟输入范围和可编程增益放大器 (PGA) ................................................................... 617 27.2.3 基准电压发电机 ................................................................................................ 617 27.2.4 自动断电......................................................................................................... 617 27.2.5 模拟输入对的选择 .............................................................................................. 617 27.2.6 模拟输入特性 ................................................................................................... 618 27.2.7 数字滤波器 ...................................................................................................... 619 27.2.8 转换存储寄存器:SD24MEMx ............................................................................... 623 27.2.9 转换时间......................................................................................................... 624 27.2.10 使用预置的转换操作.......................................................................................... 626 27.2.11 使用集成温度传感器.......................................................................................... 628 27.2.12 中断处理 ....................................................................................................... 629 27.3 SD24_A 寄存器 ........................................................................................................... 632 27.3.1 SD24CTL,SD24_A 控制寄存器 ............................................................................ 633 27.3.2 SD24CCTLx,SD24_A 通道 x 控制寄存器 ................................................................. 634 27.3.3 SD24INCTLx,SD24_A 通道 x 输入控制寄存器 ........................................................... 635 27.3.4 SD24MEMx,SD24_A 通道 x 的转换存储寄存器 ......................................................... 636 27.3.5 SD24PREx,SD24_A 通道 x 的预置寄存器 ................................................................ 636 27.3.6 SD24AE,SD24_A 的模拟输入使能寄存器 ................................................................. 636 27.3.7 SD24IV,SD24_A 中断向量寄存器 .......................................................................... 637 28 内嵌式仿真模块(EEM) ....................................................................................................... 638 28.1 EEM 说明 ................................................................................................................. 639 28.2 EEM 构建模块 ............................................................................................................ 641 28.2.1 触发器 ........................................................................................................... 641 28.2.2 触发序列发生器 ................................................................................................ 641 28.2.3 状态储存(内部跟踪缓冲器) ................................................................................ 641 28.2.4 时钟控制......................................................................................................... 641 28.3 嵌入式仿真模块的配置 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