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Interface ICs
Interface IC - I/O extensions POR I²C, SMBus 400 kHz TSSOP 16
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Table Of Contents
FEATURES
DESCRIPTION
SIMPLIFIED SCHEMATIC OF P0 TO P7
I/O Port
I2C Interface
Device Address
Control Register and Command Byte
Register Descriptions
Power-On Reset
Interrupt Output (INT)
Bus Transactions
Writes
Reads
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
I2C INTERFACE TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
TYPICAL CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
APPLICATION INFORMATION
Minimizing ICC When the I/O Controls LEDs
Power-On Reset Requirements
Interrupt Requirements
REVISION HISTORY
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