PCF8575CTS/F1 Просмотр технического описания (PDF) - Philips Electronics

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PCF8575CTS/F1

Remote 16-bit I/O expander for I2C-bus

Philips Electronics 

Philips Semiconductors

Remote 16-bit I/O expander for I2C-bus

Product specification

PCF8575C

handbook, full pagewidth

SDA

SCL

S

START condition

SDA

SCL

P

STOP condition

MBC622

Fig.10 Definition of START and STOP conditions.

SDA

SCL

MASTER

TRANSMITTER /

RECEIVER

SLAVE

RECEIVER

SLAVE

TRANSMITTER /

RECEIVER

MASTER

TRANSMITTER

MASTER

TRANSMITTER /

RECEIVER

MBA605

Fig.11 System configuration.

handbook, full pagewidth

DATA OUTPUT

BY TRANSMITTER

DATA OUTPUT

BY RECEIVER

not acknowledge

acknowledge

SCL FROM

MASTER

1

2

S

START

condition

8

9

clock pulse for

acknowledgement

MGL539

Fig.12 Acknowledgment on the I2C-bus.

1999 Aug 05

12

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