HD6417750RF240V Datasheet, PDF (421/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 Controller Area Network (HCAN)
15.2 Input/Output Pins
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
Name
HCAN transmit data pin
HCAN receive data pin
Abbreviation
HTxD
HRxD
Input/Output
Output
Input
Function
CAN bus transmission pin
CAN bus reception pin
A bus driver is necessary for the interface between the pins and the CAN bus. A Philips
PCA82C250 compatible model is recommended.
15.3 Register Descriptions
The HCAN has the following registers. For details on register addresses and register states during
each process, refer to appendix A, On-Chip I/O Register.
• Master control register (MCR)
• General status register (GSR)
• Bit configuration register (BCR)
• Mailbox configuration register (MBCR)
• Transmit wait register (TXPR)
• Transmit wait cancel register (TXCR)
• Transmit acknowledge register (TXACK)
• Abort acknowledge register (ABACK)
• Receive complete register (RXPR)
• Remote request register (RFPR)
• Interrupt register (IRR)
• Mailbox interrupt mask register (MBIMR)
• Interrupt mask register (IMR)
• Receive error counter (REC)
• Transmit error counter (TEC)
• Unread message status register (UMSR)
• Local acceptance filter mask H (LAFMH)
Rev. 7.00 Sep. 11, 2009 Page 385 of 566
REJ09B0211-0700