National Instruments AT-MIO-64F-5, User Manual

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Register Map and Descriptions Chapter 4
AT-MIO-64F-5 User Manual 4-32 © National Instruments Corporation
where V
ref
is the positive reference voltage applied to the analog output channel. The digital
code in the preceding formula is a decimal value ranging from -2,048 to +2,047.
Table 4-11. Analog Output Voltage Versus Digital Code (Bipolar Mode)
Digital Code Voltage Output
Decimal Hex Reference = 10 V
-2,048 F800 -10 V
-2,047 F801 -9.9951 V
-1,024 FC00 -5 V
-1 FFFF -4.88 mV
0 0000 0.0 V
1 0001 4.88 mV
1,024 0400 5 V
2,047 07FF 9.9951 V
Bit descriptions for the registers making up the Analog Output Register Group are given on the
following pages.