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MBH919

COMPARE LOGIC

FAR

DIV512

DIV2

RTC2

RTC2

RUN

32 kHz

DIV32/DIV48

DIV60

60 s

1.0 s

1.5 s

INTERRUPT

SELECT

register reset

internal bus

compare bit

ERCO

TST1

TST2

SITS

RUN

ITS

CIF

ECI

CLCR

RTCI

P1.7/RCO

Fig.4 RTC block diagram.