Atmel Evaluation Kit AT91SAM9X35-EK AT91SAM9X35-EK Data Sheet
Product codes
AT91SAM9X35-EK
914
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
41.9.15 CAN Message Acceptance Mask Register
Name:
CAN_MAMx [x=0..7]
Address:
0xF8000204 (0)[0], 0xF8000224 (0)[1], 0xF8000244 (0)[2], 0xF8000264 (0)[3], 0xF8000284 (0)[4],
0xF80002A4 (0)[5], 0xF80002C4 (0)[6], 0xF80002E4 (0)[7], 0xF8004204 (1)[0], 0xF8004224 (1)[1], 0xF8004244
(1)[2], 0xF8004264 (1)[3], 0xF8004284 (1)[4], 0xF80042A4 (1)[5], 0xF80042C4 (1)[6], 0xF80042E4 (1)[7]
(1)[2], 0xF8004264 (1)[3], 0xF8004284 (1)[4], 0xF80042A4 (1)[5], 0xF80042C4 (1)[6], 0xF80042E4 (1)[7]
Access:
Read-write
This register can only be written if the WPEN bit is cleared in
.
To prevent concurrent access with the internal CAN core, the application must disable the mailbox before writing to CAN_MAMx
registers.
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
7
6
5
4
3
2
1
0
MIDvB