The ______ is a general purpose programmable I/O device designed to transfer the data from I/O to interrupt I/O.
How many ports 8255A has?
Which port can be split into two parts?
Which of the following are Features of 8255A?
It consists of 3 8-bit IO ports i.e. PA, PB, and PC.B.
Address/data bus must be externally demux'd.C.
It is TTL compatible.D.
All of the above
Which of the following is responsible for controlling the internal/external transfer of data/control/status word?
Data Bus BufferB.
Read/Write Control LogicC.
Which of the following uses N-MOS technology?
It is a tri-state, bi-directional, 8-bit buffer, which is used to interface the 8253/54 to the system data bus.
Data Bus BufferC.
system data busD.
8253/54 can be operated in _________ Modes?
Which mode can be used as a mono stable multi-vibrator?
Which mode generates a strobe in response to an externally generated signal?