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