Write short note on Programmed I/O

1.1kviews

written 8.3 years ago by

There are three modes of transfer for data, commands and status as follows:

1) Programmed IO

2) Interrupt driven IO

3) Direct memory access

Programmed I/O is implicated to data transfers that are initiated by a CPU, under driver software control to access Registers or Memory on a device.
With …

Create a free account to keep reading this post.

and 3 others joined a min ago.

ADD COMMENT EDIT