UM0306 Controller area network (bxCAN)
319/519
Receive FIFO mailbox data high register (CAN_RDHxR) (x=0..1)
Address Offsets: 1BCh, 1CCh
Reset Value: xxh
Note: All RX registers are write protected.
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.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DATA7[7:0] DATA6[7:0]
rrrrrrrrrrrrrrrr
1514131211109876543210
DATA5[7:0] DATA4[7:0]
rrrrrrrrrrrrrrrr
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.
Bits 15:8
DATA5[7:0]: Data Byte 5
Data byte 1 of the message.
Bits 7:0
DATA4[7:0]: Data Byte 4
Data byte 0 of the message.