Acces I/O products PCIe-DIO-120, User Manual

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Manual PCIe-DIO-120/96/72 12
Chapter 5: Programming
The 120/96/72 cards are I/O mapped devices that are easily configured from any
language.
Developing Your Own Software
Four register locations are required per 24-bit group. Thus, a total of 20 register
locations are used by the 120 for addressing groups 0 through 4. The 96 uses a total of
16 registers for groups 0 through 3, and the 72 uses 12 registers for groups 0 through 2.
Address Assignment Operation
Base Address PA Group 0 Read/Write
Base A1 PB Group 0 Read/Write
Base A2 PC Group 0 Read/Write
Base A3 Control Port 0 Write Only
Base A4 PA Group 1 Read/Write
Base A5 PB Group 1 Read/Write
Base A6 PC Group 1 Read/Write
Base A7 Control Port 1 Write Only
Base A8 PA Group 2 Read/Write
Base A9 PB Group 2 Read/Write
Base AA PC Group 2 Read/Write
Base AB Control Port 2 Write Only
Base AC PA Group 3 Read/Write
Base AD PB Group 3 Read/Write
Base AE PC Group 3 Read/Write
Base AF Control Port 3 Write Only
Base A10 PA Group 4 Read/Write
Base A11 PB Group 4 Read/Write
Base A12 PC Group 4 Read/Write
Base A13 Control Port 4 Write Only
Base A1C DIO Buffer Enable Read/Write
Base A1E Clear/Disable Interrupts Write Only
Base A1F Clear/Enable Interrupts Write Only
Table 6-1: Address Registry Table