PCF8583 datasheet(17/28 Pages) PHILIPS

17 / 28 page

1997 Jul 15

Philips Semiconductors

Product speciﬁcation

Clock/calendar with 240

× 8-bit RAM

PCF8583

Fig.18 Master reads after setting word address (write word address; READ data).

handbook, full pagewidth

SLAVE ADDRESS

WORD ADDRESS

SLAVE ADDRESS

acknowledgement

from slave

acknowledgement

from slave

acknowledgement

from slave

R/W

acknowledgement

from master

DATA

auto increment

memory word address

MBD823

no acknowledgement

from master

DATA

auto increment

memory word address

last byte

R/W

n bytes

at this moment master -

transmitter becomes

master - receiver and

PCF8593 slave - receiver

becomes slave - transmitter

Fig.19 Master reads slave immediately after first byte (READ mode).

handbook, full pagewidth

SLAVE ADDRESS

DATA

acknowledgement

from slave

acknowledgement

from slave

acknowledgement

from slave

R/W

auto increment

word address

MBD824

auto increment

word address

n bytes

last bytes

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