
4. Special Function Registers (SFRs)
Table 4.11
SFR Address Map (11/20)
X: Undefined
Blank spaces are all reserved. No access is allowed.
NOTES:
1.
Values are obtained by setting the SLEEP bit in the C1SLPR register to “1” (sleep mode exited) after reset and supplying a clock to the CAN
module.
2.
The CAN-associated registers (allocated in addresses 01E0h to 02BFh) cannot be used in M32C/87B. In M32C/87A, only CAN0-associated
registers can be used.
3.
Set the PM13 bit in the PM1 register to 1 (2 wait states for SFR area) before accessing the CAN-associated registers.
Address
Symbol
After Reset
0250h
CAN1 Slot Buffer Select Register
C1SBS
0251h
CAN1 Control Register 1
C1CTLR1
0252h
CAN1 Sleep Control Register
C1SLPR
0253h
0254h
CAN1 Acceptance Filter Support Register
C1AFS
0255h
0256h
0257h
0258h
0259h
025Ah
025Bh
025Ch
025Dh
025Eh
025Fh
0260h
CAN1 Message Slot Buffer 0 Standard ID0
C1SLOT0_0
XXh
0261h
CAN1 Message Slot Buffer 0 Standard ID1
C1SLOT0_1
XXh
0262h
CAN1 Message Slot Buffer 0 Extended ID0
C1SLOT0_2
XXh
0263h
CAN1 Message Slot Buffer 0 Extended ID1
C1SLOT0_3
XXh
0264h
CAN1 Message Slot Buffer 0 Extended ID2
C1SLOT0_4
XXh
0265h
CAN1 Message Slot Buffer 0 Data Length Code
C1SLOT0_5
XXh
0266h
CAN1 Message Slot Buffer 0 Data 0
C1SLOT0_6
XXh
0267h
CAN1 Message Slot Buffer 0 Data 1
C1SLOT0_7
XXh
0268h
CAN1 Message Slot Buffer 0 Data 2
C1SLOT0_8
XXh
0269h
CAN1 Message Slot Buffer 0 Data 3
C1SLOT0_9
XXh
026Ah
CAN1 Message Slot Buffer 0 Data 4
C1SLOT0_10
XXh
026Bh
CAN1 Message Slot Buffer 0 Data 5
C1SLOT0_11
XXh
026Ch
CAN1 Message Slot Buffer 0 Data 6
C1SLOT0_12
XXh
026Dh
CAN1 Message Slot Buffer 0 Data 7
C1SLOT0_13
XXh
026Eh
CAN1 Message Slot Buffer 0 Time Stamp High-Order
C1SLOT0_14
XXh
026Fh
CAN1 Message Slot Buffer 0 Time Stamp Low-Order
C1SLOT0_15
XXh
0270h
CAN1 Message Slot Buffer 1 Standard ID0
C1SLOT1_0
XXh
0271h
CAN1 Message Slot Buffer 1 Standard ID1
C1SLOT1_1
XXh
0272h
CAN1 Message Slot Buffer 1 Extended ID0
C1SLOT1_2
XXh
0273h
CAN1 Message Slot Buffer 1 Extended ID1
C1SLOT1_3
XXh
0274h
CAN1 Message Slot Buffer 1 Extended ID2
C1SLOT1_4
XXh
0275h
CAN1 Message Slot Buffer 1 Data Length Code
C1SLOT1_5
XXh
0276h
CAN1 Message Slot Buffer 1 Data 0
C1SLOT1_6
XXh
0277h
CAN1 Message Slot Buffer 1 Data 1
C1SLOT1_7
XXh
0278h
CAN1 Message Slot Buffer 1 Data 2
C1SLOT1_8
XXh
0279h
CAN1 Message Slot Buffer 1 Data 3
C1SLOT1_9
XXh
027Ah
CAN1 Message Slot Buffer 1 Data 4
C1SLOT1_10
XXh
027Bh
CAN1 Message Slot Buffer 1 Data 5
C1SLOT1_11
XXh
027Ch
CAN1 Message Slot Buffer 1 Data 6
C1SLOT1_12
XXh
027Dh
CAN1 Message Slot Buffer 1 Data 7
C1SLOT1_13
XXh
027Eh
CAN1 Message Slot Buffer 1 Time Stamp High-Order
C1SLOT1_14
XXh
027Fh
CAN1 Message Slot Buffer 1 Time Stamp Low-Order
C1SLOT1_15
XXh