HA16103FPJ View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

View to exact match

HA16103FPJ

Watchdog Timer

Hitachi -> Renesas Electronics 

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: Ω

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: Ω

C: F

13

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