PCF8583P datasheet(8/37 Pages) NXP

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PCF8583

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Product data sheet

Rev. 06 — 6 October 2010

8 of 37

NXP Semiconductors

PCF8583

Clock and calendar with 240 x 8-bit RAM

In the different modes the counter registers are programmed and arranged as shown in

Figure 9. Counter cycles are listed in Table 4.

Fig 9.

control/status

hundredth of a second

1/10 s

seconds

minutes

hours

year/date

weekdays/months

timer

10 s

10 min

10 h

10 day

10 month

10 day

1/100 s

1 s

1 min

1 h

1 day

1 month

1 day

alarm control

hundredth of a second alarm

1/10 s

1/100 s

alarm seconds

alarm minutes

alarm hours

alarm month

alarm timer

alarm date

control/status

free

timer

alarm control

alarm

free

alarm timer

free RAM

00h

01h

02h

03h

04h

05h

06h

07h

08h

09h

0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

CLOCK MODES

EVENT COUNTER

013aaa369

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