Interfacing a 4x4 Matrix Keppad with an 8-Bit GPIO Expander

Interfacing a 4x4 Matrix Keppad with an 8-Bit GPIO Expander

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日期:2025-05-11
2007 Microchip Technology Inc. DS01081A-page 1. AN1081. INTRODUCTION. This application note discusses interfacing a 4x4 matrix keypad with MCP23X08 ......看更多