MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 560

• Manufacturer Part Number: MCBSTM32EXL
• Description: BOARD EVALUATION FOR STM32F103ZE
• Manufacturer: Keil

Specifications of MCBSTM32EXL

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Controller area network (bxCAN)
22.8
560/995
Figure 205. CAN frames
bxCAN interrupts
Four interrupt vectors are dedicated to bxCAN. Each interrupt source can be independently
enabled or disabled by means of the CAN Interrupt Enable Register (CAN_IER).
Overload Delimiter
Error Delimiter or
End Of Frame or
Remote Frame
Data Frame or
Any Frame
Inter-Frame Space
Inter-Frame Space
Inter-Frame Space
Intermission
Overload
3
Error
Flag
Flag
Arbitration Field
Arbitration Field
6
6
Arbitration Field
Transmission
Inter-Frame Space
Suspend
Overload Frame
ID
ID
ID
Flag Echo
32
32
32
Error Frame
8
Overload
Echo
6
6
Doc ID 13902 Rev 9
Bus Idle
Error Delimiter
Ctrl Field
Ctrl Field
Overload
Delimiter
Arbitration Field
8
8
6
6
DLC
DLC
Data Frame (Extended Identifier)
Data Frame (Standard identifier)
Remote Frame
32
Data Frame or
Remote Frame
Data Field
Inter-Frame Space
or Overload Frame
Inter-Frame Space
or Error Frame
44
8 * N
44 + 8 * N
CRC Field
Ctrl Field
64 + 8 * N
CRC
16
6
DLC
Data Field
8 * N
CRC Field
Ack Field
CRC
16
2
CRC Field
EOF
Notes:
Error flag: 6 dominant bits if node is error
active else 6 recessive bits.
passive nodes only.
CRC
7
0 <= N <= 8
SOF = Start Of Frame
ID = Identifier
RTR = Remote Transmission Request
IDE = Identifier Extension Bit
r0 = Reserved Bit
DLC = Data Length Code
CRC = Cyclic Redundancy Code
Suspend transmission: applies to error
EOF = End of Frame
ACK = Acknowledge bit
Ctrl = Control
16
Ack Field
2
Inter-Frame Space
or Overload Frame
Ack Field
Inter-Frame Space
or Overload Frame
Inter-Frame Space
or Overload Frame
EOF
2
7
EOF
7
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