ADLINK Technology NuDAQ 6208 Series, User Manual

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Register format
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Registers Format
In this chapter, the register format of the analog output channel and
digital I/O ports are introduced. Before programming or applying the
6208 series cards to your applications, please go through this chapter to
understand the features of the functions.
The 6208 functions as a 32-bit PCI target device to any master on the
PCI bus. There are three types of registers: PCI Configuration Registers
(PCR), Local Configuration Registers (LCR) and 6208 registers.
The PCR, which compliant to the PCI-bus specifications, is
initialized and controlled by the plug & play (PnP) PCI BIOS.
User‘s can study the PCI BIOS specification to understand the
operation of the PCR. Please contact with PCISIG to acquire the
specifications of the PCI interface.
The LCR is specified by the PCI bus controller PLX-9050, which is
provided by PLX technology Inc. (www.plxtech.com) . It is not necessary
for users to understand the details of the LCR if you use the software
library. The base address of the LCR is assigned by the PCI PnP BIOS.
The assigned address is located at offset 14h of PCR.