June 29, 2011 Microprocessor and Computer Architecture, Notes What will be the arrangement of ports on 82C55A PPI for the following bit format of command byte A, 10000010 Posted by Tanmay Chakrabarty Last updated on June 13th, 2020 at 08:31 pmThe given bit format is as follows, 7 6 5 4 3 2 1 0 1 0 0 0 0 0 1 0 Arrangement of Ports Due to Given Bit Format: So the arrangement will be, mode 0, port A and C as output, port B as input.