h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 661

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Notes: The H8S/2635 Group is not equipped with a DTC.
16.1
The HCAN is a module for controlling a controller area network (CAN) for realtime
communication in vehicular and industrial equipment systems, etc. The chip has a 2-channel on-
chip HCAN module.
Reference: Bosch CAN Specification Version 2.0, 1991, Robert Bosch GmbH
16.1.1
CAN version: Bosch 2.0B active compatible
Number of channel: 2 (HCAN0, HCAN1)
Data buffers: 16 per channel (one receive-only buffer and 15 buffers settable for
transmission/reception)
Data transmission: Choice of two methods:
Data reception: Two methods:
CPU interrupts: Two interrupt vectors for 12 interrupt causes per channel:
Communication systems:
NRZ (Non-Return to Zero) system (with bit-stuffing function)
Broadcast communication system
Transmission path: Bidirectional 2-wire serial communication
Communication speed: Max. 1 Mbps
Data length: 0 to 8 bytes
Mailbox (buffer) number order (low-to-high)
Message priority (identifier) high-to-low order
Message identifier match (transmit/receive-setting buffers)
Reception with message identifier masked (receive-only)
Error interrupt
Reset processing interrupt
Message reception interrupt (mailbox 1 to 15)
Message reception interrupt (mailbox 0)
Message transmission interrupt
Only a single HCAN channel, HCAN0, is implemented in the H8S/2635 Group.
Overview
Features
Section 16 Controller Area Network (HCAN)
Section 16 Controller Area Network (HCAN)
Rev. 6.00 Feb 22, 2005 page 601 of 1484
REJ09B0103-0600