The Intel 8253 and 8254 are programmable interval timers (PITs), which perform timing and counting functions using three 16-bit counters. The 825x family was primarily designed for the Intel 8080/8085-processors, but were later used in x86 compatible systems.
The Intel 8253 and 8254 are programmable interval timers (PITs), which perform timing and counting functions using three 16-bit counters. The 825x family was primarily designed for the Intel 8080/8085-processors, but were later used in x86 compatible systems.
Source: Wikipedia "Intel 8253" · CC BY-SA 4.0
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