PCF8583 datasheet(8/28 Pages) PHILIPS

Teilenummer	PCF8583

Bauteilbeschribung	Clock/calendar with 240 x 8-bit RAM

PDF	28 Pages

Scroll/Zoom	100%

Hersteller	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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8 / 28 page

1997 Jul 15

Philips Semiconductors

Product speciﬁcation

Clock/calendar with 240

× 8-bit RAM

PCF8583

Fig.5 Format of the hours counter.

handbook, full pagewidth

765

432

MSB

LSB

MRB002

memory location 04 (hours counter)

reset state: 0000 0000

unit hours BCD

ten hours (0 to 2 binary)

AM/PM flag:

0 AM

1 PM

format:

24 h format, AM/PM flag

remains unchanged

12 h format, AM/PM flag

will be updated

Fig.6 Format of the year/date counter.

handbook, full pagewidth

432

MSB

LSB

MRB003

memory location 05 (year/date)

reset state: 0000 0001

unit days BCD

ten days (0 to 3 binary)

year (0 to 3 binary, read as 0 if

the mask flag is set)

Fig.7 Format of the weekdays/month counter.

handbook, full pagewidth

543

210

MSB

LSB

MRB004

memory location 06 (weekdays/months)

reset state: 0000 0001

unit months BCD

ten months

weekdays (0 to 6 binary, read as 0 if

the mask flag is set)

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