Datasheet

Value Description
0
Bit rate switching for transmissions disabled.
1
Bit rate switching for transmissions enabled.
Bit 8 – FDOE FD Operation Enable
Value Description
0
FD operation disabled.
1
FD operation enabled.
Bit 7 – TEST Test Mode Enable
This bit field is write-restricted.
Writing a 0 to this field is always allowed.
Writing a 1 to this field is only allowed if bit fields CCE = 1 and INIT = 1.
Value Description
0
Normal operation. Register TEST holds reset values.
1
Test Mode, write access to register TEST enabled.
Bit 6 – DAR Disable Automatic Retransmission
This bit field is write-restricted and only writable if bit fields CCE = 1 and INIT = 1.
Value Description
0
Automatic retransmission of messages not transmitted successfully enabled.
1
Automatic retransmission disabled.
Bit 5 – MON Bus Monitoring Mode
This bit field is write-restricted.
Writing a 0 to this field is always allowed.
Writing a 1 to this field is only allowed if bit fields CCE = 1 and INIT = 1.
Value Description
0
Bus Monitoring Mode is disabled.
1
Bus Monitoring Mode is enabled.
Bit 4 – CSR Clock Stop Request
Value Description
0
No clock stop is requested.
1
Clock stop requested. When clock stop is requested, first INIT and then CSA will be set after
all pending transfer requests have been completed and the CAN bus reached idle.
Bit 3 – CSA Clock Stop Acknowledge
Value Description
0
No clock stop acknowledged.
1
CAN may be set in power down by stopping CLK_CAN_APB and GCLK_CAN.
Bit 2 – ASM Restricted Operation Mode
This bit field is write-restricted.
Writing a 0 to this field is always allowed.
Writing a 1 to this field is only allowed if bit fields CCE = 1 and INIT = 1.
Value Description
0
Normal CAN operation.
1
Restricted Operation Mode active.
SAM D5x/E5x Family Data Sheet
CAN - Control Area Network
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1241