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MAX7321

Part Number	MAX7321
Manufacturer	Maxim Integrated Products
Description	I2C Port Expander
Published	Nov 8, 2006
Detailed Description	MAX7321 I2C Port Expander with 8 Open-Drain I/Os General Description The MAX7321 2-wire serial-interfaced peripheral f...
Datasheet	MAX7321 PDF File

Overview

MAX7321 I2C Port Expander with 8 Open-Drain I/Os General Description The MAX7321 2-wire serial-interfaced peripheral features eight open-drain I/O ports with selectable internal pullups and transition detection.
Any port may be used as a logic input or an open-drain output.
Ports are overvoltage protected to +6V independent of supply voltage.
All I/O ports configured as inputs are continuously monitored for state changes (transition detection).
State changes are indicated by the open-drain INT output.
The interrupt is latched, allowing detection of transient changes.
When the MAX7321 is subsequently accessed through the serial interface, any pending interrupt is cleared.
The open-drain out...

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