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APPENDIX D
D
A
M
1
0
0
1
1
PCI-1712/1712L User's Manual
This bit specifies the output voltage of AO1 as unipolar or
bipolar.
0 means the output voltage is unipolar.
1 means the output voltage is bipolar.
DAM1 to DAM0 Analog output operation mode register
These two bits control the analog output operation mode.
Table D-11: Analog output operation mode
D
A
M
0
0
i S
g n
e l
V
1
i S
g n
e l
V
C
n o
0
O
p
C
n o
1
O
p
This bit selects the D/A output pacer clock source.
0 means the internal clock.
1 means the external clock from pin AO_CLK. It is used
only in continuous output operation mode.
This bit indicates the D/A trigger event.
1 means D/A trigger event occurred from pin AO_TRG.
If you write 1 to AO_TRGF, then it acts as if D/A trigger
event has occurred. This is useful for testing and debug
ging. This function is applicable only in continuously
output operation mode.
– 92 –
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