Datasheet

924
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
41.9.1 CAN Mode Register
Name: CAN_MR
Address: 0xF8000000 (0), 0xF8004000 (1)
Access: Read-write
This register can only be written if the WPEN bit is cleared in ”CAN Write Protection Mode Register”.
• CANEN: CAN Controller Enable
0: The CAN Controller is disabled.
1: The CAN Controller is enabled.
• LPM: Disable/Enable Low Power Mode
0: Disable Low Power Mode.
1: Enable Low Power Mode
CAN controller enters Low Power Mode once all pending messages have been transmitted.
• ABM: Disable/Enable Autobaud/Listen mode
0: Disable Autobaud/listen mode.
1: Enable Autobaud/listen mode.
• OVL: Disable/Enable Overload Frame
0: No overload frame is generated.
1: An overload frame is generated after each successful reception for mailboxes configured in Receive with/without overwrite
Mode, Producer and Consumer.
• TEOF: Timestamp Messages at Each End of Frame
0: The value of CAN_TIM is captured in the CAN_TIMESTP register at each Start Of Frame.
1: The value of CAN_TIM is captured in the CAN_TIMESTP register at each End Of Frame.
• TTM: Disable/Enable Time Triggered Mode
0: Time Triggered Mode is disabled.
1: Time Triggered Mode is enabled.
• TIMFRZ: Enable Timer Freeze
0: The internal timer continues to be incremented after it reached 0xFFFF.
1: The internal timer stops incrementing after reaching 0xFFFF. It is restarted after a timer reset. See “Freezing the Internal Timer
Counter” on page 920.
• DRPT: Disable Repeat
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
DRPT TIMFRZ TTM TEOF OVL ABM LPM CANEN