6 software trigger register, 7 digital i/o register – ADLINK PCM-9112+ User Manual

Page 39

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Registers

31

3.6 Software Trigger Register

If you want to generate a trigger pulse to the PCI-9112 for A/D conversion,
you just write any data to this register, and then the A/D converter will be
triggered.

Address: BASE + 20

Attribute: write only

Data Format:

Bit

7

6

5

4

3

2

1

0

BASE+20

X X X X X X X X

3.7 Digital I/O register

There are 16 digital input channels and 16 digital output channels provided
by the PCI-9112. The address Base + 1C is used to access digital inputs and
control digital outputs.

Address: BASE + 1C

Attribute: read only

Data Format:

Bit

7

6

5

4

3

2

1

0

Base

+

1C DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0

Base

+

1D DI15 DI14 DI13 DI12 DI11 DI10 DI9 DI8

Base

+

1E

--- --- --- --- --- --- --- ---

Base

+

1F

--- --- --- --- --- --- --- ---

Address: BASE + 1C

Attribute: write only

Data Format:

Bit

7

6

5

4

3

2

1

0

Base+1C DO7 DO6 DO5 DO4 DO3 DO2 DO1

DO0

Base+1D DO15 DO14 DO13 DO12 DO11 DO10 DO9 DO8
Base+1E

--- --- --- --- --- --- ---

---

Base+1F

--- --- --- --- --- --- ---

---

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