
MAX11634–MAX11637
12-Bit, 300ksps ADCs with Differential
Track/Hold, and Internal Reference
18
______________________________________________________________________________________
BIT NAME
BIT
FUNCTION
—
7 (MSB)
Set to 0 to select averaging register
—
6
Set to 0 to select averaging register
—
5
Set to 1 to select averaging register
AVGON
4
Set to 1 to turn averaging on. Set to 0 to turn averaging off.
NAVG1
3
Configures the number of conversions for single-channel scans
NAVG0
2
Configures the number of conversions for single-channel scans
NSCAN1
1
Single-channel scan count (scan mode 10 only)
NSCAN0
0 (LSB)
Single-channel scan count (scan mode 10 only)
Table 6. Averaging Register*
AVGON
NAVG1
NAVG0
FUNCTION
0
X
Performs 1 conversion for each requested result
1
0
Performs 4 conversions and returns the average for each requested result
1
0
1
Performs 8 conversions and returns the average for each requested result
1
0
Performs 16 conversions and returns the average for each requested result
1
Performs 32 conversions and returns the average for each requested result
NSCAN1
NSCAN0
FUNCTION (APPLIES ONLY IF SCAN MODE 10 IS SELECTED)
0
Scans channel N and returns 4 results
0
1
Scans channel N and returns 8 results
1
0
Scans channel N and returns 12 results
1
Scans channel N and returns 16 results
BIT NAME
BIT
FUNCTION
—
7 (MSB)
Set to 0 to select reset register
—
6
Set to 0 to select reset register
—
5
Set to 0 to select reset register
—
4
Set to 1 to select reset register
RESET
3
Set to 0 to reset all registers; set to 1 to clear the FIFO only
X
2
Don’t care
X
1
Don’t care
X
0 (LSB)
Don’t care
Table 7. Reset Register
*
See below for bit details.