Controller area network (bxCAN)
CAN receive FIFO mailbox data low register (CAN_RDLxR) (x=0..1)
All bits of this register are write protected when the mailbox is not in empty state.
Address offsets: 0x1B8, 0x1C8
Reset value: undefined
RM0008
Note:
All RX registers are write protected.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
DATA3[7:0]
DATA2[7:0]
r
15
r
14
r
13
r
12
r
11
r
10
r
9
r
8
r
7
r
6
r
5
r
4
r
3
r
2
r
1
r
0
DATA1[7:0]
DATA0[7:0]
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
Bits 31:24 DATA3[7:0] : Data Byte 3
Data byte 3 of the message.
Bits 23:16 DATA2[7:0] : Data Byte 2
Data byte 2 of the message.
Bits 15:8 DATA1[7:0] : Data Byte 1
Data byte 1 of the message.
Bits 7:0 DATA0[7:0] : Data Byte 0
Data byte 0 of the message.
A message can contain from 0 to 8 data bytes and starts with byte 0.
CAN receive FIFO mailbox data high register (CAN_RDHxR) (x=0..1)
Address offsets: 0x1BC, 0x1CC
Reset value: undefined
Note:
All RX registers are write protected.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
DATA7[7:0]
DATA6[7:0]
r
15
r
14
r
13
r
12
r
11
r
10
r
9
r
8
r
7
r
6
r
5
r
4
r
3
r
2
r
1
r
0
DATA5[7:0]
DATA4[7:0]
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
Bits 31:24 DATA7[7:0] : Data Byte 7
Data byte 3 of the message.
Bits 23:16 DATA6[7:0] : Data Byte 6
Data byte 2 of the message.
578/995
Doc ID 13902 Rev 9
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