Chapter 3
Register Map and Descriptions
©
National Instruments Corporation
3-11
Configuration Memory High Register
The Configuration Memory High Register works with the Configuration Memory Low
Register to control the input channel selection multiplexers, gain, range, and mode settings.
This register contains nine of these bits. The contents of this register are cleared by a control
register in the DAQ-STC.
Address:
Base a 12 (hex)
Type:
Write-only
Word Size:
16-bit
Bit Map:
Bit
Name
Description
15,
Reserved
Reserved—Always write 0 to these bits.
11–6
14–12
ChanType<2..0> Channel Type 2 through 0—These bits indicate which type
of resource is active for the current entry in the scan list.
The following table lists the valid channel types.
15
14
13
12
11
10
9
8
Reserved
ChanType2
ChanType1
ChanType0
Reserved
Reserved
Reserved
Reserved
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved/
Bank 1
Reserved/
Bank 0
Chan3
Chan2
Chan1
Chan0
Chan Type<2..0>
Resource
000
Calibration
001
Differential
010
NRSE
011
RSE
100
X
101
Aux
110
X
111
Ghost