Datasheet

779
32117D–AVR-01/12
AT32UC3C
29.7.4 Configuration Register
Name:CANCFG
Access type: Read/Write
Offset: 0x0C
Reset Value: 0x00000001
• OVRM: Overrun Mode
Overrun mode (MOb is not disabled after successful reception, therefore overwrite is possible).
• CMODE: Channel Mode
00: Normal mode.
01: Listening mode.
10: Loop back mode.
• SM: Sampling Method
0: Once.
1: Three times.
• SJW: Synchronization Jump Width
Maximum number of time quanta for resynchronization.
• PRS: Propagation Segment
Number of time quanta for propagation segment.
• PHS2: Phase Segment 2
Number of time quanta for phase segment 2.
• PHS1: Phase Segment 1
Number of time quanta for phase segment 1.
• PRES: Prescaler
CAN clock prescaler. Defines time quantum duration. Should not be set to 0.
31 30 29 28 27 26 25 24
-----OVRM CMODE
23 22 21 20 19 18 17 16
--SM SJW PRS
15 14 13 12 11 10 9 8
- - PHS2 PHS1
76543210
- - PRES