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com 19-2747; Rev 4; 4/05 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection General Description The MAX7311 2-wire-interfaced expander provides 16-bit parallel input/output (I/O) port expansion for SMBus™ and I2C™ applications.
The MAX7311 consists of input port registers, output port registers, polarity inversion registers, configuration registers, a bus timeout register, and an I2C-compatible serial interface logic compatible with SMBus.
The system master can invert the MAX7311 input data by writing to the active-high polarity inversion register.
The system master can enable or disable bus timeout by writing to the bus timeout register.
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