PIC18, MPLAB X IDE, XC8, SPI, LCD22 spi mode - RC3 : CLK - RC4 : SDI - RC5 : SDO - FOSC/4 lcd conf - RA1 : CS - RA2 : RS - RD0 : Reset touch conf - RA4 : CS 0. 참고 사항https://www.waveshare.com/wiki/Open18F4520 [ ] https://www.microchip.com/wwwproducts/en/PIC18F4520[ datasheet ] http://ww1.microchip.com/downloads/en/devicedoc/39631a.pdf 1. HW 연결 2. 소스 설명full 소스는 아래 github를 통해 확인하세요. 3. 소스https://gi..