Philips Semiconductors

PCF85116-3

2048

Product data

Rev. 04 — 25 October 2004

9 of 21

9397 750 14217

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

Fig 7.

Master reads PCF85116-3 slave after setting word address (write word address; read data);

sequential read.

S1 0 1 0

0

B1

B2

B3

A

WORD ADDRESS

A

A

acknowledge

from slave

acknowledge

from slave

acknowledge

from slave

R/W

acknowledge

from master

A

DATA

auto increment

word address

 === '!

P

no acknowledge

from master

1

DATA

auto increment

word address

last byte

R/W

S1

B1

B2

B3

n bytes

at this moment master

transmitter becomes

master receiver and

EEPROM slave receiver

becomes slave transmitter

SLAVE ADDRESS

SLAVE ADDRESS

10 1 0

Fig 8.

Master reads PCF85116-3 immediately after first byte (read mode); current address read.

S

1

B1

B2

B3

A

DATA

A1

DATA

acknowledge

from slave

acknowledge

from master

no acknowledge

from master

R/W

auto increment

word address

002aaa294

auto increment

word address

n bytes

last bytes

P

SLAVE ADDRESS

10 1 0