PCA9500 port equivalent, 8-bit i2c and smbus i/o port.
* Eight general purpose input/output expander/collector
* Drop-in replacement for PCF8574 with integrated 2-kbit EEPROM
* Internal 256 8 EEPROM
* Self t.
* Board version tracking and configuration
* Board health monitoring and status reporting
* Multi-card syste.
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. T.
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