h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 717

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

Initialization
Receive data setting
Clear all RXPRn bits of mailbox for which
receive interrupt requests are enabled
Local acceptance filter settings
Mailbox (RAM) initialization
Arbitration field setting
Message control read
Message reception
Message data read
(Match of identifier
Interrupt settings
Same RXPR = 1?
Interrupt to CPU
End of reception
IRR0 clearing
MBCR setting
BCR setting
Data frame?
in mailbox?)
IMR1 = 1?
by MBIMR
IRR1 = 0
IRR1 = 1
RXPR
Yes
No
Yes
No
Figure 16-9 Reception Flowchart
No
Yes
No
Yes
Transmission of data frame corresponding
Clear all RXPRn bits of mailbox for which
Section 16 Controller Area Network (HCAN)
receive interrupt requests are enabled
Rev. 6.00 Feb 22, 2005 page 657 of 1484
Message control read
IRR2 = 0, IRR1 = 0
IRR2 = 1, IRR1 = 1
Message data read
RXPR, RFPR = 1
Unread message
Interrupt to CPU
to remote frame
IMR2 = 1?
by MBIMR
No
: Settings by user
: Processing by hardware
REJ09B0103-0600
Yes