National Instruments AT-MIO-16X - Manual (Page 151)

Chapter 4 Register Map and Descriptions
© National Instruments Corporation 4-55 AT-MIO-16X User Manual
DAC Update Register
Accessing the DAC Update Register with posted update mode enabled
updates both DAC0 and DAC1 simultaneously with the previously
written values and removes DAC FIFO data for DAC0, DAC1, or both,
as programmed.
Address: Base address + 18 (hex)
Type: Write-only
Word Size: 16-bit
Bit Map: Not applicable, no bits used.
Strobe Effect: Updates latched DAC values to the DAC Register in
posted update mode, sets the TMRREQ signal in
Status Register 1, and generates an interrupt or DMA
request if enabled