h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 449

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

15.4.4
The reception procedure after initial settings is described below. A reception flowchart is shown in
Figure 15.11.
Message Reception
Initialization
Receive data setting
Local acceptance filter settings
Mailbox (RAM) initialization
Message control read
Arbitration field setting
Message data read
Message reception
(Match of identifier
Same RXPR = 1?
Interrupt settings
End of reception
Interrupt to CPU
MBCR setting
in mailbox?)
Data frame?
Clear IRR1
BCR setting
IMR1 = 1?
Clear IRR0
IRR1 = 1
RXPR
Yes
Yes
No
No
Figure 15.11 Reception Flowchart
Yes
No
Transmission of data frame corresponding
Section 15 Controller Area Network (HCAN)
Yes
No
Rev. 3.00 Oct 04, 2005 page 409 of 598
Message control read
Message data read
IRR2 = 1, IRR1 = 1
Unread message
RXPR, RFPR = 1
Clear IRR2, IRR1
Interrupt to CPU
to remote frame
: Settings by user
: Processing by hardware
IMR2 = 1?
No
REJ09B0155-0300
Yes