PCF8593P datasheet(7/35 Pages) NXP

7 / 35 page

PCF8593

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Product data sheet

Rev. 04 — 6 October 2010

7 of 35

NXP Semiconductors

PCF8593

Low power clock and calendar

In the event-counter mode, events are stored in BCD format. D5 is the most significant

and D0 the least significant digit. The divider is by-passed.

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

Figure 8. Counter cycles are listed in Table 4.

Fig 8.

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

00h

01h

02h

03h

04h

05h

06h

07h

08h

09h

0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

CLOCK MODES

EVENT COUNTER

013aaa386

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