M16C/62P Group (M16C/62P, M16C/62PT)
6. Voltage Detection Circuit
Rev.2.41
Jan 10, 2006
Page 48 of 390
REJ09B0185-0241
Figure 6.4
Typical Operation of Brown-out Detection Reset (Hardware Reset 2)
Vdet4
Vdet3
5.0V
5.0V
VCC1
Internal Reset Signal
VC13 bit in
VCR1 register
VC26 bit in
VCR2 register
(1)
VC27 bit in
VCR2 register
Set to “1” by program (reset level detect circuit enable)
Set to “1” by program
(Low voltage detection circuit enable)
VSS
Indefinite
Indefinite
Indefinite
RESET
Vdet3s
Vdet3r
NOTES :
1. VC26 bit is invalid (the microcomputer is not reset even if input voltage of VCC1 pin
becomes lower than Vdet3).
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