Controller area network (bxCAN)
27.9.5
bxCAN register map
Refer to
offset 0x200 to 31C are present only in CAN1.
Offset
Register
CAN_MCR
0x000
Reset value
CAN_MSR
0x004
Reset value
CAN_TSR
0x008
Reset value
0
CAN_RF0R
0x00C
Reset value
CAN_RF1R
0x010
Reset value
CAN_IER
0x014
Reset value
CAN_ESR
0x018
Reset value
0
CAN_BTR
0x01C
Reset value
0
0x020-
0x17F
CAN_TI0R
0x180
Reset value
x
CAN_TDT0R
0x184
Reset value
x
CAN_TDL0R
0x188
Reset value
x
834/1381
Section 2.3: Memory map
Table 137. bxCAN register map and reset values
Reserved
Reserved
0
0
1
1
1
0
0
0
Reserved
REC[7:0]
0
0
0
0
0
0
0
0
Reserved
0
0
0
STID[10:0]/EXID[28:18]
x
x
x
x
x
x
x
x
TIME[15:0]
x
x
x
x
x
x
x
x
DATA3[7:0]
x
x
x
x
x
x
x
x
for the register boundary addresses. The registers from
1
0
Res.
0
0
0
0
0
Reserved
Reserved
0
0
0
TEC[7:0]
0
0
0
0
0
0
0
TS2[2:0]
TS1[3:0]
0
1
0
0
0
1
1
Reserved
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
DATA2[7:0]
x
x
x
x
x
x
x
x
x
RM0033 Rev 9
Reserved
0
0
Res.
1
1
0
0
Res.
Res..
0
0
0
0
0
Res.
0
0
0
0
0
Reserved
0
BRP[9:0]
Reserved
0
0
0
0
EXID[17:0]
x
x
x
x
x
x
x
x
Reserved
Reserved
x
DATA1[7:0]
x
x
x
x
x
x
x
x
RM0033
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
x
x
x
x
x
0
DLC[3:0]
x
x
x
x
DATA0[7:0]
x
x
x
x
x
x
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