9535 查看數據表（PDF） - Philips Electronics

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9535

16-bit I2C and SMBus/ low power I/O port with interrupt

Philips Electronics 

Philips Semiconductors

16-bit I2C and SMBus, low power I/O port with interrupt

Product data

PCA9535

BLOCK DIAGRAM

A0

A1

A2

SCL

SDA

VDD

VSS

INPUT

FILTER

POWER-ON

RESET

8-BIT

INPUT/

OUTPUT

PORTS

WRITE pulse

READ pulse

I/O1.0

I/O1.1

I/O1.2

I/O1.3

I/O1.4

I/O1.5

I/O1.6

I/O1.7

I2C/SMBUS

CONTROL

8-BIT

WRITE pulse

INPUT/

OUTPUT

PORTS

READ pulse

LP FILTER

I/O0.0

I/O0.1

I/O0.2

I/O0.3

I/O0.4

I/O0.5

I/O0.6

I/O0.7

VINT

INT

NOTE: ALL I/Os ARE SET TO INPUTS AT RESET

Figure 3. Block diagram

SU01439

2003 Jun 27

4

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