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3 register format, 1 i/o registers format, 2 digital input register (base + 10) – ADLINK PCI-7200 User Manual

Page 37: I/o registers format, Digital input register (base + 10), 3register format

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Register Format

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3

Register Format

3.1 I/O Registers Format

The PCI-7200 occupies eight consecutive 32-bit I/O addresses in
the PC I/O address space. The cPCI-7200 occupies nine consecu-
tive 32-bit I/O addresses. Table 4-1 shows the I/O Map.

Note:

(1) I/O port is 32-bits wide
(2) 8-bit or 16-bit I/O access is not allowed

3.2 Digital Input Register (BASE + 10)

32 digital input channels can be read from this register

Address: BASE + 10
Attribute: READ Only
Data Format:

Address

Read

Write

Base + 0

Counter 0

Counter 0

Base + 4

Counter 1

Counter 1

Base + 8

Counter 2

Counter 2

Base + C

---

CLK Control CW0

Base + 10

Digital Input Reg.

---

Base + 14

Digital Output (Read-back) Digital Output Reg.

Base + 18

DIO Status & Control

DIO Status &Control

Base + 1C

INT Status & Control

INT Status & Control

Base + 20 (cPCI-7200 only)

AUXDIO Reg.

AUXDO Reg.

Byte

7

6

5

4

3

2

1

0

Base +10 DI7

DI6

DI5

DI4

DI3

DI2

DI1

DI0

Base +11 DI15 DI14 DI13 DI12 DI11 DI10 DI9

DI8

Base +12 DI23 DI22 DI21 DI20 DI19 DI18 DI17 DI16
Base +13 DI31 DI30 DI29 DI28 DI27 DI26 DI25 DI24