Power-Shutdown Sequence; Power-Shutdown Sequence When Not Using Ram Backup - Mitsubishi Electric M32R Series User Manual

Mitsubishi 32-bit risc single-chip microcomputers
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20

20.3 Power-Shutdown Sequence

20.3.1 Power-Shutdown Sequence When Not Using RAM Backup

The diagram below shows a power-shutdown sequence (5.0 V, 3.3 V power supply) of the M32R/
E when not using RAM backup.
5V
VCCE
5V
AVCC0,
AVCC1
5V
VREF0,
VREF1
5V
RESET
3.3V
VDD
3.3V
VCCI
3.3V
FVCC
3.3V
OSC-VCC
____________
:
Pull the RESET pin input low.
:
Turn off the 5 V and the 3 V power supply after the RESET pin goes low.
Note: Power-shutdown requirements
• VDD
• OSC-VCC
Figure 20.3.1 Power-Shutdown Sequence When Not Using RAM Backup
POWER-UP/POWER-SHUTDOWN SEQUENCE
1
VCCI
FVCC
VCCI
20-5
20.3 Power-Shutdown Sequence
0V
0V
0V
0V
2
0V
0V
0V
0V
____________
Ver.0.10

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