h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 615
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: 615 of 1165
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15.3.5
The HCAN is provided with an HCAN sleep mode that places the HCAN module in the sleep
state to reduce current dissipation. Figure 15.11 shows a flowchart of the HCAN sleep mode.
unread interrupt flag (IRR9) in the interrupt mask register (IMR) is set to the interrupt enable
value at this time, an interrupt can be sent to the CPU. Figure 15.10 shows a flowchart of
unread message overwriting.
HCAN Sleep Mode
Message control/message data read
Unread message overwrite
Interrupt to CPU
Figure 15.10 Unread Message Overwrite Flowchart
Clear IRR9
UMSR = 1
IMR9 = 1?
IRR9 = 1
End
No
Yes
Section 15 Controller Area Network (HCAN)
Rev. 5.00 Sep 22, 2005 page 589 of 1136
: Settings by user
: Processing by hardware
REJ09B0257-0500
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