Ordering number : EN8265A LC709006A CMOS IC I/O-Expander for Microcontroller http://onsemi.
com Overview The LC709006A is a peripheral IC dedicated for expanding the capability of the microcontroller (MCU) I/O ports.
It interfaces with the microcontroller through synchronous serial communication.
Communication with the extended I/O ports is accomplished through 24-bit parallel I/O.
The extended port features include the capabilities to specify the I/O direction on a bit basis, to specify the output type (CMOS or N-channel open drain), and to specify the I/O voltage level on a port basis according to the power level of the peripheral equipment.
These features make allow the LC709004A to be u...

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