MB90540G/545G Series
DS07-13703-6E
29
■ CAN CONTROLLER
The MB90540G series contains two CAN controllers (CAN0 and CAN1) , the MB90545G series contains only one
(CAN0) . The Evaluation Chip MB90V540G also has two 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 transmitting/receiving 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
Bit rate programmable from 10 Kbps to 1 Mbps (when input clock is at 16 MHz)
List of Control Registers
(Continued)
Address
Register
Abbreviation
Access
Initial Value
CAN0
CAN1
000070H
000080H
Message buffer valid register
BVALR
R/W
00000000 00000000B
000071H
000081H
000072H
000082H
Transmit request register
TREQR
R/W
00000000 00000000B
000073H
000083H
000074H
000084H
Transmit cancel register
TCANR
W
00000000 00000000B
000075H
000085H
000076H
000086H
Transmit complete register
TCR
R/W
00000000 00000000B
000077H
000087H
000078H
000088H
Receive complete register
RCR
R/W
00000000 00000000B
000079H
000089H
00007AH
00008AH
Remote request receiving register
RRTRR
R/W
00000000 00000000B
00007BH
00008BH
00007CH
00008CH
Receive overrun register
ROVRR
R/W
00000000 00000000B
00007DH
00008DH
00007EH
00008EH
Receive interrupt enable register
RIER
R/W
00000000 00000000B
00007FH
00008FH