PCA9501 查看數據表（PDF） - Philips Electronics

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PCA9501

8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins

Philips Electronics 

Philips Semiconductors

8-bit I2C and SMBus I/O port with interrupt,

2-kbit EEPROM and 6 address pins

Product data

PCA9501

BLOCK DIAGRAM

PCA9501

A0

A1

A2

A3

A4

A5

SCL

SDA

INPUT

FILTER

300 k Ω

I2C/SMBus

CONTROL

8-BIT

WRITE pulse

INPUT/

OUTPUT

PORTS

READ pulse

VDD

VSS

WC

POWER-ON

RESET

EEPROM

256 x 8

LP

FILTER

Figure 3. Block diagram

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

VCC

INT

SW01077

2003 Sep 12

4

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