I/O Registers Format - NuDAQ PCI-7230 User Manual

3.2 I/O Registers Format

The PCI-7230/cPCI-7230 requires one 32-bit address in the PC I/O address
space. Table 3.1 shows the I/O address of each register with respect to the
base address.
Address
Base (0 - 1 )
Table 3.1. I/O Address Map of PCI-7230 and cPCI-7230
The PCI-7233 requires one 32-bit address in the PC I/O address space. Table
3.2 shows the address.
Address
Base (0 - 3 )
Table 3.2. I/O Address Map of PCI-7233/PCI-7233HS
The PCI-7234 requires one 32-bit address in the PC I/O address space. Table
3.3 shows the address.
Address
Base (0 - 3 )
Cautions:
1. All the above I/O ports are 32-bit width.
2. 8-bit or 16-bit I/O access is NOT allowed.
Write
Isolated DO
Write
Write
Isolated DO
Table 3.3. I/O Address Map of PCI-7234
--
Read
Isolated DI
Read
Isolated DI
Read
--
Registers Format 21