AD7142 Analog Devices, AD7142 Datasheet - Page 48

• Manufacturer Part Number: AD7142
• Description: Programmable Controller for Capacitance Touch Sensors
• Manufacturer: Analog Devices

Specifications of AD7142

• Resolution (bits): 16bit
• # Chan: 14
• Sample Rate: 250kSPS
• Interface: I²C/Ser 2-Wire,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: ± 2 pF (Delta C)
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

AD7142
Table 29. STAGE_COMPLETE_LIMIT_INT Register
Address
0x00A
1
Table 30. CDC 16-Bit Conversion Data Registers
Address
0x00B
0x00C
0x00D
0x00E
0x00F
0x010
0x011
0x012
0x013
0x014
0x015
0x016
Registers self-clear to 0 after readback, provided that the limits are not exceeded.
Data Bit
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Data Bit
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[15:13]
Default
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
Default
Value
0
0
0
0
0
0
0
0
0
0
0
0
Type
R
Type
R
R
R
R
R
R
R
R
R
R
R
R
Name
STAGE0_COMPLETE_STATUS_INT
STAGE1_COMPLETE_STATUS_INT
STAGE2_COMPLETE_STATUS_INT
STAGE3_COMPLETE_STATUS_INT
STAGE4_COMPLETE_STATUS_INT
STAGE5_COMPLETE_STATUS_INT
STAGE6_COMPLETE_STATUS_INT
STAGE7_COMPLETE_STATUS_INT
STAGE8_COMPLETE_STATUS_INT
STAGE9_COMPLETE_STATUS_INT
STAGE10_COMPLETE_STATUS_INT
STAGE11_COMPLETE_STATUS_INT
GPIO_STATUS
Unused
Name
ADC_RESULT_S0
ADC_RESULT_S1
ADC_RESULT_S2
ADC_RESULT_S3
ADC_RESULT_S4
ADC_RESULT_S5
ADC_RESULT_S6
ADC_RESULT_S7
ADC_RESULT_S8
ADC_RESULT_S9
ADC_RESULT_S10
ADC_RESULT_S11
1
Rev. A | Page 48 of 72
Description
STAGE0 CDC 16-bit conversion data
STAGE1 CDC 16-bit conversion data
STAGE2 CDC 16-bit conversion data
STAGE3 CDC 16-bit conversion data
STAGE4 CDC 16-bit conversion data
STAGE5 CDC 16-bit conversion data
STAGE6 CDC 16-bit conversion data
STAGE7 CDC 16-bit conversion data
STAGE8 CDC 16-bit conversion data
STAGE9 CDC 16-bit conversion data
STAGE10 CDC 16-bit conversion data
STAGE11 CDC 16-bit conversion data
Description
STAGE0 conversion complete register interrupt status
STAGE1 conversion complete register interrupt status
STAGE2 conversion complete register interrupt status
STAGE3 conversion complete register interrupt status
STAGE4 conversion complete register interrupt status
STAGE5 conversion complete register interrupt status
STAGE6 conversion complete register interrupt status
STAGE7 conversion complete register interrupt status
STAGE8 conversion complete register interrupt status
STAGE9 conversion complete register interrupt status
STAGE10 conversion complete register interrupt status
STAGE11 conversion complete register interrupt status
GPIO input pin status
Set unused register bits = 0
1 = indicates STAGE0 conversion completed
1 = indicates STAGE1 conversion completed
1 = indicates STAGE2 conversion completed
1 = indicates STAGE3 conversion completed
1 = indicates STAGE4 conversion completed
1 = indicates STAGE5 conversion completed
1 = indicates STAGE6 conversion completed
1 = indicates STAGE7 conversion completed
1 = indicates STAGE8 conversion completed
1 = indicates STAGE9 conversion completed
1 = indicates STAGE10 conversion completed
1 = indicates STAGE11 conversion completed
1 = indicates level on GPIO pin has changed