Advantech PCI-1752U, User Manual

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PCI-1752 User Manual 34
Appendix C Register Structure & Format
C.1 Overview
The PCI-1752U/ USO is delivered with an easy-to-use 32-bit DLL driver
for user programming under the Windows XP/2000 operating system.
We advise users to program the PCI-1752U/ USO using the 32-bit DLL
driver provided by Advantech to avoid the complexity of low-level pro-
gramming by register.
The most important consideration in programming the PCI-1752U/ USO
at the 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.
C.2 I/O Port Address Map
The PCI-1752U/ USO requires 32 consecutive 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.