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| HA16103 Datasheet, PDF (13/21 Pages) Hitachi Semiconductor – Watchdog Timer | |||
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Test Circuit
HA16103 FPJ/FPK
S1
VBATT
2SB857D
Q1
R1
C1 100 µ
VCC VCONT VOUT Voadj
VNMIadj
NMI
HA16103
STBY
GND
P-RUN Rf
RES
VSTBYadj
Cf RR CR CRES
1000 p
0.01 µ
0.1 µ
180 k
180 k
2200 p
VOUT
Counter
Unit R: â¦
C: F
Sample Connection Circuit
Sample Connection Circuit between HA16103 and H8/532
S1
IGN,SW
R5
C2
VBATT
D1
Q1
VZ1
100 µ
C1
R1
R2
VCC VCONT VOUT Voadj
VNMIadj
R3
NMI
HA16103
STBY
VZ2
GND
RES
VSTBYadj
P-RUN Rf Cf RR CR CRES
R4
1000 p
0.01 µ
0.1 µ
180 k
180 k
CRES
2200 p
(1)
To other
microcomputer systems
Q2
Q3
NMI VCC
STBY
H8/532
RES
PORT GND
Unit R: â¦
C: F
13
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