Write the names of 6 modes of 8253
SIKSHAPATH Latest Questions
Write initialisation instructions for the 8255A to set up: PORT A as an output port in Mode 0 PORT B as an output port in Mode 1 for interrupt I/O PORT C (Upper) as an output port in Mode 0.
Elaborate how interrupts are handled by 8259 and how priorities are assigned..
Elaborate how interrupts are handled by 8259 and how priorities are assigned.
Find the values of CS,A1,A0 in 8255 for the following cases: Port A selection Port B selection Port C selection Control Register selection
Write initialisation instructions for the 8255A to set up: PORT A as an output port in Mode 0 PORT B as an output port in Mode 1 for interrupt I/O PORT C (Upper) as an output port in Mode 0.