Texas Instruments UCD3138 Technical Reference Manual page 114

Error ADC and Front End Gain
Here is a graphical representation of the EADC output:
Gain
Bits
ADC
8
ADC
7
ADC
6
ADC
5
ADC
4
ADC
3
2
1
0
The EADC error output as described above can be read from the EADC raw value register:
eadc_error = FeCtrl0Regs.EADCRAWVALUE.bit.RAW_ERROR_VALUE;
It is also sent to the Filter, and is one of the values which can be used by the digital comparators
controlled by the Fault Mux.
114
Front End
Gain
1 2
ADC
5 5
ADC
4 5
ADC
3 4
ADC
2 3
ADC
1 2
ADC
0 1
ADC
0
0
0 0
0 0
Figure 3-2.
Copyright © 2016, Texas Instruments Incorporated
Gain Gain
4 8
ADC ADC
5 5
ADC ADC
5 5
ADC ADC
5 5
ADC ADC
4 5
ADC ADC
3 4
ADC ADC
2 3
ADC ADC
1 2
ADC ADC
0 1
ADC
0
0
SNIU028A – February 2016 – Revised April 2016
Submit Documentation Feedback
www.ti.com
Sign
Extension