Section 5.1 8253/54 Timer Description and Initialization • PTI (programmable Interval Timer) • The 8253 chip was used in the IBM PC/XT, but starting with the IBM PC/AT, the 8254 replaced the 8253. • 8253 and 8254 have exactly the same pinout. • 8254 is a superset of the 8253. 8253/54 Timer
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Example5-11 - Dr. Rohith K. Rajrohith.weebly.com/uploads/1/3/0/2/130259… · PPT file · Web view · 2013-04-198253/54 Timer Section 5.1 8253/54 Timer Description and Initialization
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