MSP430, CCS, I2C, PCF8563 ※ msp430.h 를 사용하는 소스입니다. i2c interface 방식과 gpio 방식 2가지로 동작을 확인하였습니다. Did you have a look at the example codes for the MCU that is provided by TI for almost every processor? www.ti.com/lit/zip/slac536 The following examples show how to set up the clocks: msp430fr59xx_cs_01.c Configure MCLK for 8MHz operation msp430fr59xx_cs_02.c Configure MCLK for 16MHz operation msp430f..