ST STM32F101 series Reference Manual

DocID13902 Rev 15 678/1128
RM0008 Controller area network (bxCAN)
689
CAN mailbox data low register (CAN_TDLxR) (x=0..2)
All bits of this register are write protected when the mailbox is not in empty state.
Address offsets: 0x188, 0x198, 0x1A8
Reset value: 0xXXXX XXXX
CAN mailbox data high register (CAN_TDHxR) (x=0..2)
All bits of this register are write protected when the mailbox is not in empty state.
Address offsets: 0x18C, 0x19C, 0x1AC
Reset value: 0xXXXX XXXX
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
DATA3[7:0] DATA2[7:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
DATA1[7:0] DATA0[7:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
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]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
DATA5[7:0] DATA4[7:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:24 DATA7[7:0]: Data byte 7
Data byte 7 of the message.
Note: If TGT of this message and TTCM are active, DATA7 and DATA6 will be replaced by
the TIME stamp value.
Bits 23:16 DATA6[7:0]
: Data byte 6
Data byte 6 of the message.
Bits 15:8 DATA5[7:0]: Data byte 5
Data byte 5 of the message.
Bits 7:0 DATA4[7:0]
: Data byte 4
Data byte 4 of the message.

ST STM32F101 series Specifications

General

Brand	ST
Model	STM32F101 series
Category	Computer Hardware
Language	English