MPC5604P单片机通过I2C接口向AT24C02发送一个字节的数据并把数据读出，检测读出的数据是否正确，正确则点亮指示灯-MPC5604P microcontroller through the I2C interface to send a byte of data to the AT24C02 and the data is read out, the test data read is correct, correct, indicator lights

MPC5604P的RTC中断代码，设置RTC中断的时间间隔约为0.5秒，D1每隔约1秒闪一次-MPC5604P the RTC interrupt code, set the RTC interrupt interval of approximately 0.5 seconds, D1 at intervals of about one second flash once