文件名称:led
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利用动态扫描和定时器1在数码管上显示
出从765432开始以1/10秒的速度往下递减
直至765398并保持显示此数，与此同时利
用定时器0以500MS速度进行流水灯从上至
下移动，当数码管上数减到停止时，实验
板上流水灯也停止然后全部开始闪烁，3秒
后（用T0定时）流水灯全部关闭、数码管上
显示出"HELLO"，并保持-Dynamic scan and Timer 1 in the digital pipe shows start from 765 432 to 1/10 sec down and keep decreasing until the show this number 765,398, while the use of Timer 0 to 500MS speed of light from the water to Under the move, when the digital pipe to reduce it to stop, the test board running water stopped and then all the lights start flashing, 3 seconds (with the T0 timer) running water all the lights off, the digital control on the show " HELLO" , and keep
出从765432开始以1/10秒的速度往下递减
直至765398并保持显示此数，与此同时利
用定时器0以500MS速度进行流水灯从上至
下移动，当数码管上数减到停止时，实验
板上流水灯也停止然后全部开始闪烁，3秒
后（用T0定时）流水灯全部关闭、数码管上
显示出"HELLO"，并保持-Dynamic scan and Timer 1 in the digital pipe shows start from 765 432 to 1/10 sec down and keep decreasing until the show this number 765,398, while the use of Timer 0 to 500MS speed of light from the water to Under the move, when the digital pipe to reduce it to stop, the test board running water stopped and then all the lights start flashing, 3 seconds (with the T0 timer) running water all the lights off, the digital control on the show " HELLO" , and keep
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4_3.c
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