4 a/d range control register – ADLINK ACL-8216 User Manual

Page 35

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Registers Format • 27

3.4 A/D Range Control Register

The A/D range register is used to adjust the analog input ranges for A/D
channels. Two factor will effect the input range: Gain and Bipolar/Unipolar.
Both of these issues can be controlled by this register. The Table 4.2 shows
the relationship between the register data and the A/D input range.

Address : BASE + 9
Attribute: write only
Data Format:

Bit

7

6

5

4

3

2

1

0

BASE+9 X X X X X X G1 G0


G1


G0


GAIN


Mode


Input Range

0 0 1

Bipolar

±10V

0 1 2

Bipolar

±5V

1 0 4

Bipolar

±2.5V

1 1 8

Bipolar

±1.25V

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