h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 616

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
Rev. 5.00 Sep 22, 2005 page 590 of 1136
REJ09B0257-0500
CAN bus communication possible
Sleep mode clearing method
Initialize TEC and REC
11 recessive bits?
Bus operation?
MCR7 = 0?
IMR12 = 1?
MCR5 = 1
IRR12 = 1
MCR5 = 0
Bus idle?
Figure 15.11 HCAN Sleep Mode Flowchart
Yes
Yes
Yes (manual)
Yes
Yes
No
No
No (automatic)
No
No
Clear sleep mode?
CPU interrupt
MCR5=0
: Settings by user
: Processing by hardware
Yes
No