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GPIO Expanders allow easy expansion of I/O through common serial interfaces (I2C, SPI, etc.). These products can provide additional control and monitoring when the microcontroller has insufficient I/O, and/or when remote I/O expansion is required. This webseminar provides an overview of Microchip's 8-bit and 16-bit GPIO expanders and discusses the unique and versatile feature set which gives the user maximum flexibility when designing the system.
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