Book Analog Interfacing to Embedded Microprocessors
Look at all the data on all the inter-
faces and make sure the bandwidth you need is there.
Task Priorities
The IBM PC architecture has been used for all number of applications. It is
a well-documented standard with an enormous number of compatible soft-
ware packages available. But it has some drawbacks, including the non-real-
time nature of the standard Windows operating system. You have probably
experienced having your PC stop responding for a few seconds while it
thrashes the hard disk for some unknown reason. If you are typing a docu-
ment on a word processor, this is a minor annoyance—whatever you typed is
captured (as long as it isn’t too many characters) and shows up on the screen
whenever the operating system gets back to processing the keyboard.
What happens if you are getting a continuous stream of data from an audio
or video device when this happens? If your system isn’t constructed to permit
annaabi.ee 
