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49
NI 9144 User Guide and Specifications
NI 9233
As a DSA module, the NI 9233 does not synchronize to other modules and 
free-runs at its own fixed rate.
NI 9233 Configure ADC
The NI 9233 (and NI 9229/9239) converts at various rates, controlled by 
the field in the ADC conversion command.
0x65
Data Byte
0xA0
CRC value
Table 42.  NI 9233 Vendor Configuration Extensions
Index
Sub
Type
R/W
Description
0x2002
0
U32
R/W
Configure ADC, 
default = 0x0A
0x2100
0
ARR:U32
Calibration = 16
1
R
Ch0 Offset
2
R
Ch0 Gain
3
R
Ch1 Offset
...
...
...
8
R
Ch3 Gain
9
R
External Ch0 
Offset
...
...
...
Table 43.  NI 9233 Scan List Format
Bits
Field
7
Turbo Disable (NI 9233 only)
6:2
Clock Divisor
1:0
Clock Source = 2
Table 41.  NI 9219 Configuration 1: Command Bytes (Continued)
Command Byte Value
Description