PCD3745AH 데이터 시트보기 (PDF) - Philips Electronics

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PCD3745AH

8-bit microcontroller with 4.5 kbytes OTP memory and 32 kHz real-time clock

Philips Electronics 

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RTC2 RTC2

32 kHz

DIV2

RUN

DIV512

COMPARE LOGIC

register reset

FAR

compare bit

internal bus

DIV32/DIV48

1.5 s

1.0 s

DIV60

60 s

P1.7/RCO

RTCI

SITS TST2 TST1 ERCO RUN ITS CIF ECI CLCR

INTERRUPT

SELECT

MBH919

Fig.4 RTC block diagram.

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