AD7142 Analog Devices, AD7142 Datasheet - Page 47

• 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

Table 28. STAGE_HIGH_LIMIT_INT Register
Address
0x009
1
Registers self-clear to 0 after readback, provided that the limits are not exceeded.
Data Bit
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[15:12]
Default Value
0
0
0
0
0
0
0
0
0
0
0
0
Type
R
1
Name
STAGE0_HIGH_LIMIT_INT
STAGE1_HIGH_LIMIT_INT
STAGE2_HIGH_LIMIT_INT
STAGE3_HIGH_LIMIT_INT
STAGE4_HIGH_LIMIT_INT
STAGE5_HIGH_LIMIT_INT
STAGE6_HIGH_LIMIT_INT
STAGE7_HIGH_LIMIT_INT
STAGE8_HIGH_LIMIT_INT
STAGE9_HIGH_LIMIT_INT
STAGE10_HIGH_LIMIT_INT
STAGE11_HIGH_LIMIT_INT
Unused
Rev. A | Page 47 of 72
STAGE0 CDC conversion high limit interrupt result
Description
STAGE1 CDC conversion high limit interrupt result
Stage2 CDC conversion high limit interrupt result
STAGE3 CDC conversion high limit interrupt result
STAGE4 CDC conversion high limit interrupt result
STAGE5 CDC conversion high limit interrupt result
STAGE6 CDC conversion high limit interrupt result
STAGE7 CDC conversion high limit interrupt result
STAGE8 CDC conversion high limit interrupt result
STAGE9 CDC conversion high limit interrupt result
STAGE10 CDC conversion high limit interrupt result
STAGE11 CDC conversion high limit interrupt result
Set unused register bits = 0
1 = indicates STAGE0_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE1_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE2_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE3_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE4_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE5_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE6_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE7_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE8_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE9_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE10_HIGH_THRESHOLD value was
exceeded
1 = indicates STAGE11_HIGH_THRESHOLD value was
exceeded
AD7142