Contents

VCM-DAS-3 Reference manual

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DAC Channel Select Register.............................................................................. 24

DAC Write Registers ........................................................................................... 25

DAC Read Registers ............................................................................................ 25

Analog Output ............................................................................................................... 26

Analog Output Ranges and Resolution............................................................................. 26

Setting a Span Range ........................................................................................... 26

Analog Output Data Representation ................................................................................. 27

Straight Binary Coding ........................................................................................ 27

Offset Binary Coding........................................................................................... 28

Analog Output Programming............................................................................................ 30

External Trigger Update ...................................................................................... 30

Load DAC Operation........................................................................................... 30

Analog Output Code Example .......................................................................................... 31

Calibration ........................................................................................................................ 33

Setting the Gain ................................................................................................... 33

Reading the Gain ................................................................................................. 33

Enhanced Mode Operations.............................................................................................. 34

Reading DAC Data .............................................................................................. 34

Reading the Span of a Channel............................................................................ 34

Setting a Channel to Sleep Mode......................................................................... 35

Reading the Sleep Status of a Channel ................................................................ 35

Digital I/O ....................................................................................................................... 36

Signal Direction ................................................................................................................36

Signal Polarity .................................................................................................................. 36

Digital Input...................................................................................................................... 36

Digital Output ................................................................................................................... 36

References ..................................................................................................................... 37