深秋凉意浓 2021-05-20 00:37 开发者_StackOverflow社区黄瓜炒虾仁，把黄瓜切成小快和虾仁一起炒高智
how to enable external interrupt开发者_StackOverflow中文版 of 8051?Each of the 8051s interrupts has its own bit in the interrupt enable (IE) special function register (SFR) and is enabled by setting t
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