Advantech PCI-1720 Manuale Utente Pagina 24

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20 PCI-1713 User's Manual
4.1 Overview
The PCI-1713 is delivered with an easy-to-use 32-bit DLL driver for
user programming under the Windows 98/95/NT operating system.
We advise users to program the PCI-1713 using the 32-bit DLL driver
provided by Advantech to avoid the complexity of low-level program-
ming by register.
The most important consideration in programming the PCI-1713 card at
a register level is to understand the function of the card’s registers.
The information in the following sections is provided only for users
who would like to do their own low-level programming.
4.2 I/O Port Address Map
The PCI-1713 card requires 18 addresses in the PC’s I/O space. The
address of each register is specified as an offset from the card’s base
address. For example, BASE+0 is the card’s base address and BASE+7
is the base address plus seven bytes.
Table 4-1 shows the function of each register and its address relative
to the card’s base address.
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