说明：  显示数据在70H-75H单元内，用六位LED共阳数码管显示，P1口输出段码数据，P3口作 扫描控制，每个LED数码管亮1MS时间再逐位循环。 定时器T0、T1溢出周期为50MS，T0为秒计数用， T1为调整时闪烁用， P3.7为调整按钮，P1口 为字符输出口，采用共阳显示管。
(display the data in the 70H-er cell, with a total of six Yang digital LED Display, P1 mouth of the code output data, P3 I scan control for each LED digital-rungs of time to each of these cycles. Timer T0, T1 overflow cycle of 50-MS, seconds count T0 to use T1 to adjust with flashes, P3.7 adjusted for the button, I P1 characters to the output I used a total of Shenyang demonstrate.)