AT45DBXX Data Flash 3

PIC18, MPLAB X IDE, XC8, SPI, at45dbxx data flash

PIC18, MPLAB X IDE, XC8, SPI, at45dbxx data flash 4MHz frequency 에서 spi clock으로 1MHz를 사용합니다. - RC3 : CLK - RC4 : SDI - RC5 : SDO - RA5 : CS 0. 참고 사항https://openlabpro.com/guide/spi-module-in-pic18f4550/https://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..

PIC18 2018.09.13

MSP430, CCS, SPI, at45dbxx data flash

MSP430, CCS, SPI, at45dbxx data flash ※ msp430.h 를 사용하는 소스입니다. SPI 3개 핀 (MISO, MOSI, SCK)을 사용하여 동작하도록 하였습니다.CS 핀은 별도로 제어합니다. 1. use spi interface - UCA0 - P1.4 : Chip Select - P1.5 : Serial Clock Out (UCA0CLK) - P1.6 : Reset - P2.0 : Data Out (UCA0SIMO) - P2.1 : Data In (UCA0SOMI) 2. msp430fr6989 development kit backchannel (uart) - use USCI_A1 - P3.5 : UCA1RXD - P3.4 : UCA1TXD - BaudRate : 1152..

MSP430 2018.09.05