PCF8575TS 参数 Datasheet PDF下载

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1999 Apr 07

SCL

1

2

3

4

5

6

7

8

slave address (PCF8575)

SDA

S

0

1

0

0

A2

A1

A0

0

A

P07 P06

1

start condition

WRITE TO

PORT

R/W

acknowledge P05

from slave

Philips Semiconductors

data to port 0

handbook, full pagewidth

Remote 16-bit I/O expander for I

2

C-bus

Integral multiples of two bytes

data to port 1

P00

A

P17

P10

A

acknowledge

from slave

acknowledge

from slave

9

DATA OUTPUT

FROM PORT

tpv

P05 OUTPUT

VOLTAGE

P05 PULL-UP

OUTPUT CURRENT

IOHt

IOH

Data A0 and

B0 valid

INT

tir

MGL542

Product specification

PCF8575

Fig.9 WRITE mode (output).