SAM7X256_14 Datasheet, PDF (525/662 Pages) ATMEL Corporation – ARM-based Flash MCU

36.8.13 CAN Message Acceptance Mask Register
Name:
CAN_MAMx
Access Type:
Read-write
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
7
6
5
4
3
2
1
0
MIDvB
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.
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
525