MSM6542-01 データシートの表示（PDF） - Oki Electric Industry

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MSM6542-01

REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT

Oki Electric Industry 

MSM6542-01/02/03

¡ Semiconductor

PERIODIC OUT (Only for the MSM6542-03)

This output pin is used for N-channel open drain. It outputs a single pulse or an

interrupt request as a trigger each time a carry is generated from the clock counter.

Output from this pin is not disabled by CS0 and CS1.

ALARM OUT (Only for the MSM6542-03)

This output pin is used for N-channel open drain. It outputs a single pulse or an

interrupt request each time the contents of the clock counter match the date and time for

which an alarm is set.

Output

from

this

pin

is

not

disabled

by

CS

0

and

CS1.

INTERRUPT OUT (Only for the MSM6542-01/02)

This output pin is N-channel open drain. It ORs the signals from the PERIODIC OUT

and ALARM OUT pins above.

Carry trigger

VDD

PERIODIC OUT

Date and time

matching trigger

Carry trigger

Date and time

matching trigger

VDD

ALARM OUT

VDD

INTERRUPT OUT

80

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