The 8255A is a general-purpose programmable l/O device designed for use with Intel microprocessors. It has 24 O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes … Read more
The 8255A is a general-purpose programmable l/O device designed for use with Intel microprocessors. It has 24 O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes … Read more