实时时钟M41T0源程序,你只要定议好引脚,便能使用,主程序是一个应用试验-M41T0 real-time clock source, as long as you set a good discussion pin can use, the main program is a pilot application

通过测试已经可以应用 本程序的应用于C8051F020的I2C接口-Has passed the test can be applied to this procedure applies to the I2C interface C8051F020