Advantech MIC-3716, Manual

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C.14 D/A Reference Control — BASE+14
The write-only register of BASE+14 allows users to set the D/A
reference source.
Table C-14: Register for D/A reference control
Write D/A Output Channel 1
Bit # 7 6 5 4 3 2 1 0
BASE + 15 DA1_LDEN DA1_I/E DA0_B/U DA1_5/10
BASE + 14 DA0_LDEN DA0/I/E DA0_B/U DA0_5/10
DA n _5/10 The internal reference voltage for the D/A output
channel n
0 - 5 V
1 - 10 V
DA n _B/U for D/A output channel n
0 Bipolar
1 Unipolar
DA n _I/E Internal or external reference voltage for D/A output
channel n
0 Internal source
1 External source
DA n _LDEN for Gate Control of D/A output channel n (Please refer
to C.10 and C.12)
0 Disable
1 Enable