Datasheet

525
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
36.8.13 CAN Message Acceptance Mask Register
Name: CAN_MAMx
Access Type: Read-write
To prevent concurrent access with the internal CAN core, the application must disable the mailbox before writing to CAN_MAMx
registers.
• MIDvB: Complementary bits for identifier in extended frame mode
Acceptance mask for corresponding field of the message IDvB register of the mailbox.
• MIDvA: Identifier for standard frame mode
Acceptance mask for corresponding field of the message IDvA register of the mailbox.
• MIDE: Identifier Version
0= Compares IDvA from the received frame with the CAN_MIDx register masked with CAN_MAMx register.
1= Compares IDvA and IDvB from the received frame with the CAN_MIDx register masked with CAN_MAMx register.
31 30 29 28 27 26 25 24
– – MIDE MIDvA
23 22 21 20 19 18 17 16
MIDvA MIDvB
15 14 13 12 11 10 9 8
MIDvB
76543210
MIDvB