基于51的tea5767的数字调频收音机的实现，通过i2c实现在1602上显示频率和温度，时钟。温度使用18b20实现。时钟内部定时器实现。-Based on 51 tea5767 digital FM radio to achieve, through i2c achieved in the 1602 display frequency and temperature, clock. Use 18b20 temperature achieved. Clock with internal timer.