AD7142 Analog Devices, AD7142 Datasheet - Page 61

• 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 53. STAGE4 Results Registers
Address
0x170
0x171
0x172
0x173
0x174
0x175
0x176
0x177
0x178
0x179
0x17A
0x17B
0x17C
0x17D
0x17E
0x17F
0x180
0x181
0x182
0x183
0x184
0x185
0x186
0x187
0x188
0x189
0x18A
0x18B
0x18C
0x18D
0x18E
0x18F
0x190
0x191
0x192
0x193
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]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Default
Value
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Name
STAGE4_CONV_DATA
STAGE4_FF_WORD0
STAGE4_FF_WORD1
STAGE4_FF_WORD2
STAGE4_FF_WORD3
STAGE4_FF_WORD4
STAGE4_FF_WORD5
STAGE4_FF_WORD6
STAGE4_FF_WORD7
STAGE4_SF_WORD0
STAGE4_SF_WORD1
STAGE4_SF_WORD2
STAGE4_SF_WORD3
STAGE4_SF_WORD4
STAGE4_SF_WORD5
STAGE4_SF_WORD6
STAGE4_SF_WORD7
STAGE4_SF_AMBIENT
STAGE4_FF_AVG
STAGE4_CDC_WORD0
STAGE4_CDC_WORD1
STAGE4_MAX_WORD0
STAGE4_MAX_WORD1
STAGE4_MAX_WORD2
STAGE4_MAX_WORD3
STAGE4_MAX_AVG
STAGE4_HIGH_THRESHOLD
STAGE4_MAX_TEMP
STAGE4_MIN_WORD0
STAGE4_MIN_WORD1
STAGE4_MIN_WORD2
STAGE4_MIN_WORD3
STAGE4_MIN_AVG
STAGE4_LOW_THRESHOLD
STAGE4_MIN_TEMP
Unused
Rev. A | Page 61 of 72
STAGE4 slow FIFO WORD0
STAGE4 slow FIFO WORD1
STAGE4 slow FIFO WORD2
STAGE4 slow FIFO WORD3
STAGE4 slow FIFO WORD4
STAGE4 slow FIFO WORD5
STAGE4 slow FIFO WORD6
STAGE4 slow FIFO WORD7
STAGE4 slow FIFO ambient value
STAGE4 fast FIFO average value
STAGE4 maximum value FIFO WORD0
STAGE4 maximum value FIFO WORD1
STAGE4 maximum value FIFO WORD2
STAGE4 maximum value FIFO WORD3
STAGE4 average maximum FIFO value
STAGE4 high threshold value
STAGE4 temporary maximum value
STAGE4 minimum value FIFO WORD0
STAGE4 minimum value FIFO WORD1
STAGE4 minimum value FIFO WORD2
STAGE4 minimum value FIFO WORD3
STAGE4 average minimum FIFO value
STAGE4 low threshold value
STAGE4 temporary minimum value
Description
STAGE4 CDC 16-bit conversion data
(copy of data in STAGE4_CONV_DATA register)
STAGE4 fast FIFO WORD0
STAGE4 fast FIFO WORD1
STAGE4 fast FIFO WORD2
STAGE4 fast FIFO WORD3
STAGE4 fast FIFO WORD4
STAGE4 fast FIFO WORD5
STAGE4 fast FIFO WORD6
STAGE4 fast FIFO WORD7
STAGE4 CDC FIFO WORD0
STAGE4 CDC FIFO WORD1
Set unused register bits = 0
AD7142