Ramp Status Register (Rampstat); Ramp Status Register (Rampstat) Register Field Descriptions - Texas Instruments UCD3138 Technical Reference Manual

Front End Control Registers

3.7.2 Ramp Status Register (RAMPSTAT)

Address 0x0008_0004 – Front End Control 2 Ramp Status Register
Address 0x000B_0004 – Front End Control 1 Ramp Status Register
Address 0x000E_0004 – Front End Control 0 Ramp Status Register
11
EADC_DONE_RAW
R-0
7 6
EADC_SAT EADC_SAT
_HIGH _LOW
R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 3-4. Ramp Status Register (RAMPSTAT) Register Field Descriptions
Bit Field
11 EADC_DONE
_RAW
10 RAMP_COM
P_INT_STATUS
9 RAMP_DLY_INT
_STATUS
8 PREBIAS_INT
_STATUS
7 EADC_SAT_HIGH R
6 EADC_SAT_LOW
5 EADC_EOC
4 PREBIAS_BUSY
3 RAMP_BUSY
2 RAMP_COMP
_STATUS
1 RAMP_DLY
_STATUS
0 PREBIAS
_STATUS
126
Front End
Figure 3-10. Ramp Status Register (RAMPSTAT)
10
RAMP_COMP_INT_STATUS
R-0
5 4
EADC_EOC PREBIAS
_BUSY
R-0 R-0
Type Reset
R 0
EADC Conversion Done Raw Status
0 = EADC Conversion has not completed
1 = EADC Conversion has completed
R 0
Ramp Delay Complete latched status
0 = No Ramp Delay Complete has been declared
1 = Ramp Delay Complete has been declared
R 0
Ramp Delay Complete latched status
0 = No Ramp Delay Complete has been declared
1= Ramp Delay Complete has been declared
R 0
Pre-Bias Complete latched status
0 = No Pre-Bias Complete has been declared
1 = Pre-Bias Complete has been declared
0
EADC Saturation High Indicator
0 = EADC output is not saturated at high limit
1 = EADC output is saturated at high limit
R 0
EADC Saturation Low Indicator
0 = EADC output is not saturated at low limit
1 = EADC output is saturated at low limit
R 0
Indicates EADC end of conversion
R 0
Pre-Bias Busy
0 = Pre-Bias is not in progress
1 = Pre-Bias in progress
R 0
Ramp Busy
0 = Soft-Start/Power-Down Ramp is not in progress
1 = Soft-Start/Power-Down Ramp is in progress
R 0
Ramp Complete, Raw Status
0 = Ramp procedure is not complete
1 = Ramp procedure is complete
R 0
Ramp Delay Complete, Raw Status
0 = Ramp delay procedure is not complete
1 = Ramp delay procedure is complete
R 0
Pre-Bias Complete, Raw Status
0 = Pre-Bias is not completed
1 = Pre-Bias is completed
Copyright © 2016, Texas Instruments Incorporated
9
RAMP_DLY_INT_STATUS
R-0
3 2
RAMP_BUSY RAMP_COMP
_STATUS
R-0 R-0
Description
SNIU028A – February 2016 – Revised April 2016
www.ti.com
8
PREBIAS_INT_STATUS
R-0
1 0
RAMP_DLY PREBIA
_STATUS _STATUS
R-0 R-0
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