
MB90340E Series
39
■ CAN CONTROLLERS
The CAN controller has the following features:
Conforms to CAN Specification Version 2.0 Part A and B
Supports transmission/reception in standard frame and extended frame formats
Supports transmission of data frames by receiving remote frames
16 transmission/reception message buffers
29-bit ID and 8-byte data
Multi-level message buffer configuration
Provides full-bit comparison, full-bit mask, acceptance register 0/acceptance register 1 for each message
buffer as ID acceptance mask
Two acceptance mask registers in either standard frame format or extended frame formats
List of Control Registers (1)
Address
Register
Abbreviation
Access
Initial Value
CAN0
CAN1
000070H
000080H
Message Buffer
Valid Register
BVALR
R/W
00000000B
000071H
000081H
000072H
000082H
Transmit Request
Register
TREQR
R/W
00000000B
000073H
000083H
000074H
000084H
Transmit Cancel
Register
TCANR
W
00000000B
000075H
000085H
000076H
000086H
Transmission
Complete Register
TCR
R/W
00000000B
000077H
000087H
000078H
000088H
Receive Complete
Register
RCR
R/W
00000000B
000079H
000089H
00007AH
00008AH
Remote Request
Receiving Register
RRTRR
R/W
00000000B
00007BH
00008BH
00007CH
00008CH
Receive Overrun
Register
ROVRR
R/W
00000000B
00007DH
00008DH
00007EH
00008EH
Reception Interrupt
Enable Register
RIER
R/W
00000000B
00007FH
00008FH