UPD4992CX 查看數據表（PDF） - NEC => Renesas Technology

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UPD4992CX

8-Bit Parallel I/O Calendar Clock

NEC => Renesas Technology 

(5) Use of INT reset, INT stop

t1

T

INT

output

(6) Use of TP enable

INT

output

INT INT

stop reset

Clear

INT stop

T

T

TP

TP

DISABLE ENABLE

µPD4992

11

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