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
Bit rate programmable from 10 kbps to 2 Mbps (when input clock is at 16 MHz)
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