Documents 8254

8254 Counter/Timer 8254 Counter • Each of the three counter has 3 pins associated • CLK: input clock frequency- 8 MHz • OUT • GATE: Enable (high) or disable (low)…

Documents 8253 Lecture

8253 / 8254 Timer • PIT (programmable Interval Timer), used to bring down the frequency to the desired level • Three counters inside 8253/8254. Each works independently…