GPIODM-KPLCD,681-0982,Microchip GPIODM-KPLCD GPIO Expander Keypad & LCD HMI接口 演示板 ,Microchip
This Demo Board is designed to demonstrate the use of the MCP23S08/17 (SPI interface) and MCP23008/17 (IC interface) devices in a keypad and LCD example.
MCP23X17 (16-bit) devices interface to a 2x16 LCD module
MCP23X08 (8-bit) devices interface to a 4x4 key matrix
Test points allow for easy monitoring of SPI and IC buses, as well as the keypad and LCD interface to the PIC
ICSP? header for the PIC microcontroller allows users to customize firmware
Can be powered from a +3V to +5Vdc power source (connected to the +5V and GND test points)
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