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I have a basic doubt about the usage pf 82C55.
Wanted to know when exactly it is used. Eg: For a keyboard you have to use a 82C55 but for a LCD it is not necessary. So when exactly do we use it??
Wanted to know when exactly it is used. Eg: For a keyboard you have to use a 82C55 but for a LCD it is not necessary. So when exactly do we use it??