h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 612
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 612 of 1165
- Download datasheet (6Mb)
Section 15 Controller Area Network (HCAN)
Rev. 5.00 Sep 22, 2005 page 586 of 1136
REJ09B0257-0500
Initialization
Receive data setting
Clear all RXPR bit in the mailbox, which
Local acceptance filter settings
enables the receive interupts
Mailbox (RAM) initialization
Arbitration field setting
requests in the MBIMR
Message control read
Message data read
Message reception
(Match of identifier
Interrupt settings
Same RXPR = 1?
Interrupt to CPU
End of reception
MBCR setting
BCR setting
Data frame?
in mailbox?)
Clear IRR1
IMR1 = 1?
IRR1 = 1
RXPR
Yes
No
Yes
No
Figure 15.9 Reception Flowchart
No
Yes
No
Yes
mailbox, which enables the receive interupt
Transmission of data frame corresponding
Clear all RXPRn and RFPRn bits in the
requests in the MBIMR
Message control read
IRR2 = 1, IRR1 = 1
Message data read
Clear IRR2, IRR1
RXPR, RFPR = 1
Unread message
Interrupt to CPU
to remote frame
IMR2 = 1?
No
: Settings by user
: Processing by hardware
Yes
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