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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