Chapter 3 Registers Format; I/O Registers Format - ADLINK Technology cPCI-7200 User Manual

3
Registers Format

3.1 I/O Registers Format

The PCI-7200 occupies 8 consecutive 32-bit I/O addresses in the PC I/O
address space and the cPCI-7200 occupies 9 consecutive 32-bit I/O
addresses. Table 4.1 shows the I/O Map
Address
Base + 0
Base + 4
Base + 8
Base + C
Base + 10
Base + 14
Base + 18
Base + 1C
Base + 20
(cPCI-7200
only)
Caution: (1) I/O port is 32-bit width
(2) 8-bit or 16-bit I/O access is not allowed.
16 Registers Format
Read
Counter 0
Counter 1
Counter 2
---
Digital Input Reg.
Digital Output
(Read-back)
DIO Status & Control
INT Status & Control
AUXDIO Reg.
Write
Counter 0
Counter 1
Counter 2
CLK Control CW0
---
Digital Output Reg.
DIO Status &Control
INT Status & Control
AUXDO Reg.