该程序提供基于hd7279的键盘显示c51源代码，在调试过程中首先要检查rc振荡电路是否正常-,-procedures based on the keyboard shows hd7279 decoder source code, Commissioning of the first process to check whether rc oscillator circuit the normal-,
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UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 209065 [ RunTime:0.014446s ]
