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M16C/62P Group (M16C/62P, M16C/62PT)
VCC1
RESET
Internal Reset Signal
VC13 bit in
VCR1 register
VC26 bit in
(1)
VCR2 register
VC27 bit in
VCR2 register
NOTES :
1. VC26 bit is invalid (the microcomputer is not reset even if input voltage of VCC1 pin
becomes lower than Vdet3).
Figure 6.3 Typical Operation of Voltage Down Detection Reset (Hardware Reset 2)
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
5.0V
Vdet4
Vdet3r
Vdet3
Vdet3s
VSS
Indefinite
Indefinite
Indefinite
page 37
f o
3
6
4
Set to "1" by program (reset level detect circuit enable)
Set to "1" by program
(voltage down detect circuit enable)
6. Voltage Detection Circuit
5.0V
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