HD6432621 Hitachi, HD6432621 Datasheet - Page 622

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

15.4
A bus transceiver IC is necessary to connect the H8S/2626 Series or H8S/2623 Series chip to a
CAN bus. A Philips PCA82C250 transceiver IC, or compatible device, is recommended. Figure
15-14 shows a sample connection diagram.
578
DTC initialization
CAN Bus Interface
DTC register information setting
Message reception in HCAN’s
DTC enable register setting
RXPR and RFPR clearing
End of DTC transfer?
Transfer counter = 0
Interrupt to CPU
DTC activation
or DISEL = 1?
mailbox 0
End
Yes
Yes
Figure 15-13 DTC Transfer Flowchart
No
No
: Settings by user
: Processing by hardware