h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 565

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

15.1.3
Table 15.1 shows the HCAN’s pins.
When using HCAN pins, settings must be made in the HCAN configuration mode (during
initialization: MCR0 = 1 and GSR3 = 1).
Table 15.1 HCAN Pins
A bus driver is necessary between the pins and the CAN bus. A Philips PCA82C250 compatible
model is recommended.
15.1.4
Table 15.2 lists the HCAN’s registers.
Table 15.2 HCAN Registers
Name
HCAN transmit data pin
HCAN receive data pin
Name
Master control register
General status register
Bit configuration register
Mailbox configuration register
Transmit wait register
Transmit wait cancel register
Transmit acknowledge register
Abort acknowledge register
Receive complete register
Remote request register
Interrupt register
Mailbox interrupt mask register
Interrupt mask register
Receive error counter
Transmit error counter
Unread message status register
Pin Configuration
Register Configuration
Abbreviation
HTxD
HRxD
Abbreviation
MCR
GSR
BCR
MBCR
TXPR
TXCR
TXACK
ABACK
RXPR
RFPR
IRR
MBIMR
IMR
REC
TEC
UMSR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
Output
Input
Input/Output
Section 15 Controller Area Network (HCAN)
Rev. 5.00 Sep 22, 2005 page 539 of 1136
H'0000
H'0000
Initial Value
H'01
H'0C
H'0100
H'0000
H'0000
H'0000
H'0000
H'0000
H'0100
H'FFFF
H'FEFF
H'00
H'00
H'0000
Function
CAN bus transmission pin
CAN bus reception pin
Address *
H'F801
H'F802
H'F804
H'F806
H'F808
H'F80A
H'F80C
H'F80E
H'F810
H'F812
H'F814
H'F816
H'F818
H'F819
H'F81A
H'F800
REJ09B0257-0500
Access Size
8 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8/16 bits
8 bits 16 bits
8 bits
8/16 bits
8 bits 16 bits
8/16 bits