Microprocessor20785 marksNumerical: 8255 PPI control wordProgrammable Peripheral Interface 8255A
What are the different modes of parallel communication? Construct a control word for 8255 PPI for following configuration: .a) Port A and Port C_upper = mode 0 .b) Port B and Port C_lower = mode 0 c.) Port A and Port C_upper as input port d.) Port B and Port C_lower as output port
What are the different modes of parallel communication? Construct a control word for 8255 PPI for following configuration: .a) Port A and Port C_upper = mode 0 .b) Port B and Port C_lower = mode 0 c.) Port A and Port C_upper as input port d.) Port B and Port C_lower as output port [5]
Configuration requirements: - a) Port A and Port Cupper = Mode 0 - b) Port B and Port Clower = Mode 0 - c) Port A and Port Cupper = Input - d) Port B and Port Clower = Output Mode 0 - Simple Input/Output - Basic I/O without handshaking. - Ports A, B, Cupper, Clower can each be independently set a...