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What is Overview of 8253 Timer Functions about?
The Intel 8253 is a programmable interval timer designed for microprocessors to perform timing and counting functions. It contains three 16-bit counters that can be independently programmed to operate in either binary or BCD mode. The 8253 has inputs for a clock and gate signal for each counter and can output pulses. It is interfaced to a microprocessor via an 8-bit data bus and control lines. Programs can load count values, select modes, and read counter values to generate timed interrupts and pulses.
- Author
- Sarthak Didwania
- Language
- EN