National Instruments AT-MIO-16X - Manual (Page 155)

Chapter 4 Register Map and Descriptions
© National Instruments Corporation 4-59 AT-MIO-16X User Manual
DMATCA Clear Register
Accessing the DMATCA Clear Register will clear the DMATCA signal
in Status Register 1, and it will acknowledge the interrupt generated
from the Channel A terminal counter interrupt. When the selected DMA
Channel A reaches its terminal count, the DMATCA signal in the Status
Register is asserted. If DMATC interrupts are enabled, an interrupt will
also be generated.
Address: Base address + 19 (hex)
Type: Write-only
Word Size: 8-bit
Bit Map: Not applicable, no bits used
Strobe Effect: Clears the DMATCA signal in Status Register 1, and
acknowledges an interrupt from a DMA Channel A
terminal count