PCF8583 Ver la hoja de datos (PDF) - Philips Electronics

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PCF8583

Clock/calendar with 240×8-bit RAM

Philips Electronics 

Philips Semiconductors

Clock/calendar with 240 × 8-bit RAM

Product specification

PCF8583

handbook, full pagewidth

MSB

LSB

7 6 54 3 21 0

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:

0 24 h format, AM/PM flag

remains unchanged

1 12 h format, AM/PM flag

will be updated

Fig.5 Format of the hours counter.

handbook, full pagewidth

MSB

LSB

7 65 432 10

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.6 Format of the year/date counter.

handbook, full pagewidth

MSB

LSB

76 543 210

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)

1997 Jul 15

Fig.7 Format of the weekdays/month counter.

8

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