Chapter 3
Register Map and Descriptions
3-22
©
National Instruments Corporation
AI AO Select Register
The AI AO Select Register contains 8 bits that control the logical DMA selection for the
analog input and analog output resources. The contents of this register are cleared upon power
up and after a reset condition.
Address:
Base a 09 (hex)
Type:
Write-only
Word Size:
8-bit
Bit Map:
Bit
Name
Description
7-4
Reserved
Reserved—Always write 0 to these bits (for PCI-6032E
and PCI-6033E only).
7–4
Output <D..A> Analog Output Logical Channel D through A—These four
bits select the logical channels of the MITE to be used by
the analog output. You can only set one of these bits at a
time (except for the PCI-6032E and PCI-6033E).
3–0
Input <D..A>
Analog Input Logical Channel D through A—These four
bits select the logical channels to be used by the analog
input. You can only set one of these bits at a time.
7
6
5
4
3
2
1
0
Output D/
Reserved
Output C/
Reserved
Output B/
Reserved
Output A/
Reserved
Input D
Input C
Input B
Input A