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FMC ADC 100M 14b 4cha
Commit 6d074b82 authored by Federico Vaga's avatar Federico Vaga
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doc: specify units where necessary 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 9164f369
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doc/software/driver.rst
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......@@ -124,6 +124,10 @@ the actual input connectors, and their software counterpart is used to
configure the channels; the last channel is called *i*, and is the
interleave channel where data is retrieved.
.. note::
Unless specified, the units are the same as for the ADC HDL design.
Therefore, this driver does not perform any data processing.
The Overall Device
''''''''''''''''''
......@@ -191,8 +195,8 @@ chN-50ohm-term
turn on the termination resistor. Default is 0.
chN-offset
The user offset is an integer value in the range [-5000,5000], and
it represents millivolts. The offset represents the center-scale
The user offset is an integer value in the range [-5000000,5000000], and
it represents microvolts. The offset represents the center-scale
of conversion for the input channel. Internally, a DAC is used to
generate the requested voltage, which is then subtracted from the
input signal. DAC values are corrected according to the
......@@ -200,7 +204,8 @@ chN-offset
the offset may saturate at values less than +/- 5V.
chN-offset-zero
The necessary offset to to bring the signal to 0.
The necessary offset to to bring the signal to 0 in microvolts (it must be
withing the range of chN-offset).
chN-vref
The "voltage reference" used for conversion. This attribute may be
......
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