upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 680

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

Caution:
680
Do not read- or write-access any registers by software between setting the EFSD bit
and clearing the GOM bit.
No
Figure 16-77: Normal Shutdown Process
Figure 16-78: Forced Shutdown Process
Shutdown successful
GOM = 0, EFSD = 0
Chapter 16 FCAN Controller
Clear GOM bit = 1
User’s Manual U16702EE3V2UD00
Set EFSD bit = 1
Set GOM bit = 0
Clear GOM bit.
Set EFSD bit.
GOM = 0?
Shutdown successful
GOM = 0, EFSD = 0
START
END
Clear GOM bit = 1
Set GOM bit = 0
Clear GOM bit.
Yes
GOM = 0?
IINIT mode
START
END
Yes
Must be a continuous write.
No