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CALEN
This bit is used to enable Cal Mode.
1 = Selected Cal Source,
CSRC[2:0]
, is fed into Analog Channel 0.
0 = Analog Channel 0 functions as normal input.
SDI
Serial Data In. This bit is used to set serial address/data stream for the
DAC8800 TrimDac and 7376 digital potentiometer. Used in conjunction
with
SEL8800
and
SEL7376
bits.
7.3.5 DAC CONTROL/STATUS REGISTER (Does not apply to PCI-DAS1200/JR)
BADR1 + 8
This register selects the DAC gain/range and update modes. This is a Write-only register.
WRITE
-
DACEN-----MODEDAC0R0DAC0R1DAC1R0DAC1R1----
0123456789101112131415
DACEN
This bit enables the Analog Out features of the board.
1 = DAC0/1 enabled.
0 = DAC0/1 disabled.
The power-on state of this bit is 0.
MODE
This bit determines the analog output mode of operation.
1 = Both DAC0 and DAC1 updated with data written to DAC0 data register.
0 = DACn updated with data written to DACn data register.
The power-on state of this bit is 0.
DACnR[1:0]
These bits select the independent gains/ranges for either DAC0 or DAC1.
n=0 for DAC0 and n=1 for DAC1.
1.22mVUnipolar 10V11
610uVUnipolar 5V01
4.88mVBipolar 10V10
2.44mVBipolar 5V00
LSB SizeRangeDACnR0DACnR1
26