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

Número de pieza

componentes Descripción

Lista de partido

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

5

4

3

2

1

0

memory location 00

reset state: 0000 0000

MRB017

timer flag (50% duty factor

seconds flag if alarm

enable bit is 0)

alarm flag (50% duty factor

minutes flag if alarm

enable bit is 0)

alarm enable bit:

0 alarm disabled: flags toggle

alarm control register disabled

(memory locations 08 to 0F

are free RAM space)

1 enable alarm control register

(memory location 08 is the

alarm control register)

mask flag:

0 read locations 05 to 06

unmasked

1 read date and month count

directly

function mode :

00 clock mode 32.768 kHz

01 clock mode 50 Hz

10 event-counter mode

11 test modes

hold last count flag :

0 count

1 store and hold last count in

capture latches

stop counting flag :

0 count pulses

1 stop counting, reset divider

Fig.3 Control/status register.

1997 Jul 15

6

Share Link: