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What are the different types of write operations used in 8253?
There are two types of write operations in 8253
(1) Writing a control word register
(2) Writing a count value into a count register
The control word register accepts data from the data buffer and initializes the counters, as needed. The control word register contents are used for
(a) Initializing the operating modes (mode 0-mode4)
(b) Selection of counters (counter 0- counter 2)
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