、熟悉C54的定时器； 2、掌握C54定时器的控制方法； 3、学会使用定时器中断方式控制程序流程。-, Familiar with the C54' s timer 2, C54 control timer control 3, learn to use the timer interrupt program flow control.

C54与TLV1571数据采集，初始化tlv1571-C54 and TLV1571 data acquisition, initialization tlv1571

LCD12864+ds12887+ds18b20+89c54模拟时钟显示-LCD12864+ ds12887+ ds18b20+89 c54 analog clock display