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PCA9500 Datasheet - NXP

PCA9500_PhilipsSemiconductors.pdf

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Datasheet Details

Part number:

PCA9500

Manufacturer:

NXP ↗

File Size:

227.73 KB

Description:

8-bit i2c and smbus i/o port.

PCA9500, 8-bit I2C and SMBus I/O port

The PCA9500 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.

The I/O expander's eight quasi-bidirectional data pins can be independently assigned as inputs or outputs to monitor board level status or activate indicator devices such as LEDs.

The system master writes to the I/O configuration b

PCA9500 Features

* Eight general purpose input/output expander/collector

* Drop-in replacement for PCF8574 with integrated 2-kbit EEPROM

* Internal 256  8 EEPROM

* Self timed write cycle

* 4 byte page write operation

* I2C-bus and SMBus interface logic

* Internal power-on reset

* Noi

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