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Chapter 1
Overview
1.6.3
Power Supply
Relation between Power Supply and Input Pin Voltage
Input pin voltage should be supplied only after power supply is on. Failure to the sequence can cause the destruc-
tion of the LSI because of the large current.
Relation between Power Supply and Reset Input Voltage with Auto-reset disable
After the LSI turns on, input the sufficient reset pin voltage to be recognized as the reset signal.
For more information, refer to the [2.5.1 Reset function]
3.6 V
1.1 V
I - 38
Cautions for Circuit Setup
Input
Forward current generation
Figure:1.6.5 V
DD30
Power supply voltage (V
Reset pin low level recognition
voltage lower limit (0.15 × V
6 ms or more
Figure:1.6.6 Power Supply and Reset Input Voltage
Input protection
resistance
P
N
(V
)
DD30
and Input Pin Voltage
DD30
Reset pin input voltage
DD30
)
)
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