DS_FT230X.pdf 虚拟串口芯片资料。常用器件。 Future Technology Dev

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详细说明：DS_FT230X.pdf 虚拟串口芯片资料。常用器件。 Future Technology Devices International Ltd. FT230X (USB to BASIC UART IC)FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 1. 3 USB Compliant The FT230X is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID (TID) 40001463(RevD) CERTIFIED USB Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 2 FT230X Block Diagram 3V3OUT 3.3 Volt LDO 1.B Volt LDO Baud Rate FIFO RX Buffor (512 bytes) USBDP Serial Interface UART Contr USB UART FIFO 1.5k pullups Programmable 山 SB DPLL RESET# Figure 2.1 FT230x Block Diagram For a description of each function please refer to Section 4 Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 Table of contents 1 Typical Applications 2 1.1 Driver Support…………………,………………………………………………………………2 1.2 Part Numbers 13 USB Compliant… 2FT230 X Block Diagran……………,………… 2347 3 Device Pin Out and signal Description,,……,,…,…,,… 3.116- LD QFN Package…………………………………………………7 3.1.1 QFN Package PinOut Description 3.2 16-LD SSOP Package ■■■■■■■■■■■■■a■■■■■■■■ ■■■■■■■■■■■■■■■■■■■■■■a■■■■ 9 3.2.1 SSOP Package PinOut Description 3.3 CBUS Signal Options,,…,,,,,,,,…,,,,…,…,11 4 Function Description n13 4.1 Key Features……………………………………………………………………13 4.2 Functiona| Block Descriptions…-μ……μ,,:13 5 Devices Characteristics and Ratings.. 16 5.1 Absolute Maximum Ratings. 16 52 ESD and latch- up Specifications……s:16 5.3 DC Characteristics.mmw.n 17 5.4 MTP Memory Reliability characteristics ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ 21 5.5 Internal clock characteristics 6 USB Power Configurations ■■■■口■■■■■■■■■■■■■日■■■圆■■■■■■口■■■■■■■a■■■ 22 6.1 USB Bus Powered Configuration……………………22 62 Self Powered Configuration…,,,μ,23 63 USB Bus Powered with Power Switching Configuration……………24 7 Application Examples……,…… ■■■■■■■■■■■■■■■■■■■■■■■■■a■■■■■■■■■■■■■■■■ 25 71USBtoRs232converteraa25 72UsSBtoR5485covee"26 7.3 USB to rS422 Converter m.. 27 74 USB Battery charging Detection…,…,s28 7.5 LED Interface 31 8 Internal MTP Memory Configuration 32 8.1 Default values 82 Methods of Programming the MTP Memory…… g33 8.2.1 Programming the MTP memory over USB 33 8.3 Memory Map 34 Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 9 Package Parameters……… ■■■■■■■■■■■■■m■■■■■■a■口■■ 35 9.1 SSoP-16 Package mechanical Dimensions 35 92SsOP-16 Package Markings,,…… ■■■ n36 9.3 QFN-16 Package Mechanical Dimensions 37 9.4 QFN-16 Package Markings 38 9.5 Solder reflow profile 10 Contact Information n40 Appendix A- References…,……, a41 Appendix B- List of Figures and tables………………………………42 Appendix c- Revision History……,…,………,…………………………44 Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 3 Device Pin Out and signal Description 3.1 16-LD QFN Package 3V30UT TXD RXD RTS# USBDM CTST USBDP 9」 RESET# CBUSO CBUSI CBUS2 O CBUS3 14 Figure 3. 1 QFN Schematic symbo 3.1.1 QFN Package PinOut Description Note:+ denotes an active low signal Pin no Name Type Description POWER Input 5 V(or 3v3) supply to IC VCC POWER VCCIO 1V8-3V3 supply for the Io cells Input 3V3 output at 50mA May be used to power Vccio POWER 8 3V3QUT Output When VCC is 3V3; pin 8 is an input pin and should be connected to pin 10. POWER 3,13,17 oV Ground input GND Input Table 3.1 power and ground *Pin 17 is the centre pad under the IC. Connect to GND X If VCC is 3V3 then 3V3OUT must also be driven with 3V3 input Pin no Name Type Description USBDM INPUT USB Data Signal Minus 6 USBDP INPUT USB Data Signal Plus RESET# INPUT Reset input(active low) Table 3.2 Common Function pins Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 Pin NoI Name Type Description 15 TXD Output Transmit Asynchronous Data Output 2 RXD Receiving Asynchronous Data Input 16 RTS# Output Request to Send Control Output/ Handshake Signal 4 CTS# Input Clear To Send Control Input/ Handshake Signal Configurable CBUs IO Pin. Function of this pin is configured in the 12 CBUSO device MtP memory. The default configuration is TXDEN. See CBus Signal Options, table 3.7 Configurable CBUS I/O Pin. Function of this pin is configured in the 11 CBUS1 device MtP memory. The default configuration is RXLED#. See CBUs Signal options table 3.7 Configurable CBUs I/o Pin. Function of this pin is configured in the CBUS2 I/o device MTP memory. The default configuration is TXLED# See CBUS Signal options, Table 3.7 Configurable CBUs I/O Pin. Function of this pin is configured in the CBUS3 I0 device MTP memory. The default configuration is SLEEP# CBUS Signal options, table 3.7. Table 3.3 UART Interface and cBus Group (see note 1) Note 1. When used in Input Mode the input pins are pulled to vCCIo via internal 75ks(approx)resistors These pins can be programmed to gently pull low during USB suspend(PWren*=1 )by setting an option in the mtP memory Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chip Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 3.2 16-LD SSOP Package 103V3OUT RXD 4 TXD RTsS#2一 USBDM CTS# USBDP CBUSO A15 RESET# CBUSIA14 CBUS2 CBUS316 FT230XS Figure 3.2 ssoP Schematic symbol 3.2. 1 SSOP Package Pinout Description Note:# denotes an active low signal Pin no Name Type Description 米 POWER 12 VCO Input 5V(or 3v3)supply to IC POWER VCCIO 1V8-3V3 supply for the Io cells Input 3v3 output at 50ma May be used to power vccio POWER Output When vCC is 3V3 pin 10 is an input pin and should be 3V30UT connected to pin 12 POWER 5,13 GND OV Ground input Input Table 3, 4 power and ground c If VCC is 3v3 then 3V30UT must also be driven with 3V3 input Pi in No Name Type Description 9 USBDM INPUT USB Data Signal Minus USBDP INPUT USB Data Signal Plus 11 RESET# INPUT Reset input(active low) Table 3. 5 Common Function pins Copyright Future Technology Devices International Limited FTDI FT230X USB TO BASIC UART IC Chi Version 1.4 Document noi f 000566 Clearance no i FTDIEf 260 Pin No. Name Type Description TXD Output Transmit Asynchronous Data Output 4 RⅩD Input Receiving Asynchronous Data Input. 2 RTS# Output Request to Send Control Output/Handshake Signal 6 CTS# Input Clear To Send Control Input/Handshake Signal Configurable CBus i/O Pin. Function of this pin is configured in the 15 CBUSO I/o device MTP memory. The default configuration is TXDEN See CBUS Signal Options, Table 3.7. Configurable CBUs I/O Pin. Function of this pin is configured in the 14 CBUS1 I/0 device MTP memory. The default configuration is RXLED# See CBUS Signal options, table 3.7 Configurable CBUS I/O Pin. Function of this pin is configured in the CBUS2 Iyo device MTP memory. The default configuration is TXLED# See CBUS Signal Options, table 3.7 Configurable CBUS I/O Pin. Function of this pin is configured in the 16 CBUS3 I/0 device MTP memory. The default configuration is SLEEP#. See CBUS Signal options, Table 3.7 Table 3.6 UART Interface and CBUS Group (see note 1) Notes 1. When used in Input Mode, the input pins are pulled to vCClo via internal 75ks2(approx)resistors These pins can be programmed to gently pull low during USB suspend ( Wren#=1) by setting an option in the mtp memory Copyright Future Technology Devices International Limited

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