User`s manual

28 Registers Format
3.2 I/O Registers Format
The PCI-7230/cPCI-7230/LPCI-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.
Table 3-1: I/O Address Map of PCI-7230/cPCI-7230/LPCI-7230
The PCI-7233 requires one 32-bit address in the PC I/O address
space. Table 3.2 shows the address.
Table 3-2: I/O Address Map of PCI-7233/PCI-7233H
The PCI-7234/7234P requires one 32-bit address in the PC I/O
address space. Table 3.3 shows the address.
Table 3-3: I/O Address Map of PCI-7234/7234P
Address Write Read
Base (0 - 1 ) Isolated DO Isolated DI
Address Write Read
Base (0 - 3 ) -- Isolated DI
Address Write Read
Base (0 - 3 ) Isolated DO --
CAUTION:
All the I/O ports above are 32-bit width.
8-bit or 16-bit I/O access is NOT allowed.