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Chapter 4 Register Map and Descriptions
AT-MIO-16X User Manual 4-44
©
National Instruments Corporation
DAC0 Register
Writing to the DAC0 Register loads the value written to the analog
output DAC Channel 0 in immediate update mode. If posted update
mode is used, the value written to the DAC0 Register is buffered and
updated to the analog output DAC Channel 0 only after an access to the
DAC Update Register or a timer trigger is received in one of the
prescribed paths.
Address: Base address + 10 (hex)
Type: Write-only
Word Size: 16-bit
Bit Map:
Bit Name Description
15-0 D<15..0> Data bus to the analog output DACs. The
data written to the DACs is interpreted in
straight binary form when DAC Channel
0 is configured for unipolar operation.
When DAC Channel 0 is configured for
bipolar operation, the data is interpreted
in two’s complement form.
15
D15
14
D14
13
D13
12
D12
11
D11
10
D10
9
D9
8
D8
7
D7
6
D6
5
D5
4
D4
3
D3
2
D2
1
D1
0
D0
LSBMSB