h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 452

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

Section 15 Controller Area Network (HCAN)
15.4.5
The HCAN is provided with an HCAN sleep mode that places the HCAN module in the sleep
state in order to reduce current consumption. Figure 15.13 shows a flowchart of the HCAN sleep
mode.
Rev. 3.00 Oct 04, 2005 page 412 of 598
REJ09B0155-0300
HCAN Sleep Mode
Message control/message data read
Figure 15.12 Unread Message Overwrite Flowchart
Unread message overwrite
Interrupt to CPU
Clear IRR9
UMSR = 1
IMR9 = 1?
IRR9 = 1
End
No
Yes
: Settings by user
: Processing by hardware