User`s guide

Universal Library User's Guide Analog Input Boards - DEMO-BOARD
128
Digital I/O
The DEMO-BOARD simulates the following:
One eight-bit AUXPORT configurable digital input/output port. Each bit of the AUXPORT generates a square
wave with a different period.
Two eight-bit configurable digital I/O portsFIRSTPORTA, FIRSTPORTBwhich can be used for high
speed scanning. FIRSTPORTA functions like AUXPORT in that it generates square waves. Each bit of
FIRSTPORTB generates a pulse with a different frequency.