HD64F2638F20J Datasheet, PDF (726/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 16 Controller Area Network (HCAN)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
16.4 CAN Bus Interface
A bus transceiver IC is necessary to connect the chip to a CAN bus. A HA13721 transceiver IC, or
compatible device, is recommended. Figure 16-14 shows a sample connection diagram.
Chip
120 Ω
Vcc
Port
HRxD
HTxD
NC
HA13721
MODE Vcc
RxD CANH
TxD CANL
NC GND
CAN bus
120 Ω
Note: NC: No Connection
Figure 16-14 High-Speed Interface Using HA13721
Page 676 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010