APPENDIX C
PCI-1711/1731 User’s Manual
Advantech Co., Ltd.
www.advantech.com
– 49 –
Write
D/A Reference Control
Bit #
7
6
5
4
3
2
1
0
BASE+15
BASE+14
DA1_I/E
DA1_5/10
DA0_I/E
DA0_5/10
C.12 D/A Reference Control —BASE+14
The write-only register of BASE+14 allows users to set the D/A
reference source.
PCI-1731
The PCI-1731 is not equipped with the D/A functions.
PCI-1711
Table C-11 Register for D/A reference control
DA0_5/10
The internal reference voltage for the D/A
output channel 0
0
- 5 V
1
- 10 V
DA0_I/E
Internal or external reference voltage for D/A
output channel 0
0
internal source
1
external source
DA1_5/10
The internal reference voltage for D/A output
channel 1
0
- 5 V
1
- 10 V
DA1_I/E
Internal or external reference voltage for D/A
output channel 1
0
internal source
1
external source