UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 665

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

Caution Before the CPU is set in the CPU standby mode, please check the CAN sleep mode or not.
However, after check of the CAN sleep mode, until the CPU is set in the CPU standby mode, the
CAN sleep mode may be cancelled by wakeup from CAN bus.
Set CPU standby mode
Figure 15-61. Setting CPU Standby (from CAN Sleep Mode)
Set PSMODE0 bit
MBON bit = 0?
CAN sleep mode
PSMODE0 = 1?
START
END
Yes
Yes
Preliminary User’s Manual U19748EJ1V0UD
CHAPTER 15 CAN CONTROLLER
No
No
No
Clear PSMODE0 bit
Clear CINTS5 bit
CINTS5 bit = 1?
Yes
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