Xilinx CAN FD v2.0 Product Manual page 20

Table 2-10: Error Status Register (Cont'd)
Bits Name
4 ACKER
3 BERR
2 STER
1 FMER
0 CRCER
Notes:
1. In transmitter delay compensation phase, any error is reported as fast bit error (by the transmitter).
2. Fixed stuff bit errors are reported as form error.
3. In case of a CRC Error and a CRC delimiter corruption, only the FMER bit is set.
CAN FD v2.0
PG223 December 5, 2018
Default
Value
ACK Error.
Indicates an acknowledgment error.
• 1 = Indicates an acknowledgment error has occurred.
0
• 0 = Indicates an acknowledgment error has not occurred on the bus
after the last write to this bit.
If this bit is set, writing a 1 clears it.
Bit Error.
Indicates the received bit is not the same as the transmitted
bit during bus communication.
0
• 1 = Indicates a bit error has occurred.
• 0 = Indicates a bit error has not occurred on the bus after the last write
to this bit.
If this bit is set, writing a 1 clears it.
Stuff Error.
Indicates an error if there is a stuffing violation.
• 1 = Indicates a stuff error has occurred.
0
• 0 = Indicates a stuff error has not occurred on the bus after the last
write to this bit.
If this bit is set, writing a 1 clears it.
Form Error.
Indicates an error in one of the fixed form fields in the message frame.
• 1 = Indicates a form error has occurred.
0
• 0 = Indicates a form error has not occurred on the bus after the last
write to this bit.
If this bit is set, writing a 1 clears it.
(3)
CRC Error .
Indicates a CRC error has occurred.
• 1 = Indicates a CRC error has occurred.
0
• 0 = Indicates a CRC error has not occurred on the bus after the last
write to this bit.
If this bit is set, writing a 1 clears it.
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Chapter 2: Product Specification
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