Datasheet

Bit 25 – BO Bus_Off Status
Value Description
0
Bus_Off status unchanged.
1
Bus_Off status changed.
Bit 24 – EW Error Warning Status
Value Description
0
Error_Warning status unchanged.
1
Error_Warning status changed.
Bit 23 – EP Error Passive
Value Description
0
Error_Passive status unchanged.
1
Error_Passive status changed.
Bit 22 – ELO Error Logging Overflow
Value Description
0
CAN Error Logging Counter did not overflow.
1
Overflow of CAN Error Logging Counter occurred.
Bit 21 – BEU Bit Error Uncorrected
Message RAM bit error detected, uncorrected. Generated by an optional external parity / ECC logic
attached to the Message RAM. An uncorrected Message RAM bit sets CCCR.INIT to 1. This is done to
avoid transmission of corrupted data.
Value Description
0
Not bit error detected when reading from Message RAM.
1
Bit error detected, uncorrected (e.g. parity logic).
Bit 20 – BEC Bit Error Corrected
Message RAM bit error detected and corrected. Generated by an optional external parity / ECC logic
attached to the Message RAM.
Value Description
0
Not bit error detected when reading from Message RAM.
1
Bit error detected and corrected (e.g. ECC).
Bit 19 – DRX Message stored to Dedicated Rx Buffer
The flag is set whenever a received message has been stored into a dedicated Rx Buffer.
Value Description
0
No Rx Buffer updated.
1
At least one received message stored into a Rx Buffer.
Bit 18 – TOO Timeout Occurred
Value Description
0
No timeout.
1
Timeout reached.
Bit 17 – MRAF Message RAM Access Failure
The flag is set, when the Rx Handler
SAM D5x/E5x Family Data Sheet
CAN - Control Area Network
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1255