Description: plus the clock frequency is 2MHz, produces a square wave by 8253, and light-emitting diode in accordance with 1s, flash off intervals of 1s. Draw the circuit, according to the requirements of programming, under simulation debugging environment.
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8253.asm
8253.exe
8253.obj
实验五 可编程定时计数器8253实验.doc
实验五 可编程定时计数器8253实验.DSN
实验五 可编程定时计数器8253实验.PWI
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