June 29, 2011 Microprocessor and Computer Architecture, Notes What will be the bit format of command byte A in 82C55A PPI for these arrangement, (i) Mode 0, Port A as input, port B and port C as output. (ii) Mode 1, port A as output, port B as input. Posted by Tanmay Chakrabarty Total Read 8 Last updated on June 13th, 2020 at 08:31 pm(i) Required Bit Format of command byte A: So the bit format will be 10010000. (ii) Required Bit Format of command byte A: So the bit format will be 1010×11×.