h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 711

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

Initialization (after hardware reset only)
Message transmission method setting
GSR2 = 0 (during transmission only)
Message transmission wait
Mailbox (RAM) initialization
Transmission completed?
Arbitration field setting
Message transmission
Transmit data setting
Control field setting
End of transmission
Interrupt settings
Data field setting
Interrupt to CPU
MBCR setting
Clear TXACK
IRR0 clearing
TXPR setting
BCR setting
TXACK = 1
Clear IRR8
IMR8 = 1?
IRR8 = 1
Bus idle?
Yes
No
Yes
Figure 16-7 Transmission Flowchart
No
No
Yes
Section 16 Controller Area Network (HCAN)
Rev. 6.00 Feb 22, 2005 page 651 of 1484
: Settings by user
: Processing by hardware
REJ09B0103-0600