Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
944
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
41.9.16 CAN Message ID Register
Name:
CAN_MIDx [x=0..7]
Address:
0xF8000208 (0)[0], 0xF8000228 (0)[1], 0xF8000248 (0)[2], 0xF8000268 (0)[3], 0xF8000288 (0)[4],
0xF80002A8 (0)[5], 0xF80002C8 (0)[6], 0xF80002E8 (0)[7], 0xF8004208 (1)[0], 0xF8004228 (1)[1], 0xF8004248 (1)[2],
0xF8004268 (1)[3], 0xF8004288 (1)[4], 0xF80042A8 (1)[5], 0xF80042C8 (1)[6], 0xF80042E8 (1)[7]
0xF8004268 (1)[3], 0xF8004288 (1)[4], 0xF80042A8 (1)[5], 0xF80042C8 (1)[6], 0xF80042E8 (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_MIDx
registers.
registers.
• MIDvB: Complementary Bits for Identifier in Extended Frame Mode
If MIDE is cleared, MIDvB value is 0.
• MIDE: Identifier Version
This bit allows the user to define the version of messages processed by the mailbox. If set, mailbox is dealing with version 2.0
Part B messages; otherwise, mailbox is dealing with version 2.0 Part A messages.
Part B messages; otherwise, mailbox is dealing with version 2.0 Part A messages.
• MIDvA: Identifier for Standard Frame Mode
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