PCF8583P datasheet(6/28 Pages) PHILIPS

부품명	PCF8583P

상세설명	Clock/calendar with 240 x 8-bit RAM

PDF	28 Pages

Scroll/Zoom	100%

제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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6 / 28 page

1997 Jul 15

Philips Semiconductors

Product speciﬁcation

Clock/calendar with 240

× 8-bit RAM

PCF8583

Fig.3 Control/status register.

handbook, full pagewidth

memory location 00

reset state: 0000 0000

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:

alarm disabled: flags toggle

alarm control register disabled

(memory locations 08 to 0F

are free RAM space)

enable alarm control register

(memory location 08 is the

alarm control register)

mask flag:

read locations 05 to 06

unmasked

read date and month count

directly

function mode :

00 clock mode 32.768 kHz

01 clock mode 50 Hz

10 event-counter mode

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

765

MSB

LSB

MRB017

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