文件名称:
STM32 F3产品技术培训-11.CAN模块.pdf
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上传时间: 2019-09-14
详细说明：STM32 F3产品技术培训-11.CAN模块CAN Features(1/2)
3
Supports can protocol version 2.0 A, B Active
Bit rates up to 1Mbit/s
Transmission
Three transmit mailboxes
Configurable transmit priority
Time Stamp on SoF transmission
Reception
Two receive FIFOs with three stages
14 scalable filter banks
Configurable FIFO overrun
Time Stamp on SOF reception
life. augmented
CAN Features(2/2
4
Time Triggered Communication option
Disable automatic retransmission mode
16-bit free running timer
Time Stamp sent in last two data bytes
Management
Maskable interrupts
512 bytes reserved RAM size(No longer shared with USB)
4 dedicated interrupt vectors: transmit interrupt, FIFOO
interrupt, FIFO1 interrupt and status change error interrupt
life. augmented
BXCAN operating modes 5
Reset
Sleep Mode
Normal
Initialization
Mode
Mode
Operation mode
Test mode
Slient mode
LoopBack mode
Loop back combined with silent mode
life. augmented
Block Diagram- BXCAN L 6
Tx Mailboxes
Receive FIFO O
Receive FIFO 1
Control/Status/Configuration Registers
Mailbox 2
Mailbox 2
Mailbox 2
Mailbox 1
Mailbox 1
Mailbox 1
Master Control
Mailbox o
Master status
Mailbox o
Mailbox o
Transmit Status
Transmission
Receive fifo status
Scheduler
Interrupt Enable
Receive fiFo Status
2zNomp=
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