C-1
C
Address Maps
Note:
Address maps are provided here only for background reference
purposes. You do not program registers directly in Windows 95/98/NT.
Instead, you program register changes through the application
programming interface (API) of DriverLINX , which is provided on the
CD-ROM that comes with your board. Refer to the DriverLINX
documentation that is installed on your system. (If it is not yet installed,
you can find it on the CD-ROM in the X:\DrvLINX4\Docs and
X:\DrvLINX4\Docs\Notes folders, where X is the drive letter of the
CD-ROM drive.)
The 24 digital I/O lines of the PIO-HV make up the following three ports:
●
Port A (abbreviated PA) consists of one 8-bit data output latch/buffer.
●
Port B (PB) consists of one 8-bit data input buffer.
●
Port C (PC) consists of one 8-bit data I/O that is switch-selectable as
either eight input bits or eight output bits.
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