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A101
- 用电平开关的输出作为中断源,每个开关对应于一个中断源。在中断服务程序中,通过74LS273输出一个数据,以点亮与中断源相对应位置的LED。-The output power level as the interrupt source switch, each switch corresponds to an interrupt source. The interrupt service program, a data output through the 74LS273 to light cor