AD7142 Analog Devices, AD7142 Datasheet - Page 60

• 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 52. STAGE3 Results Registers
Address
0x14C
0x14D
0x14E
0x14F
0x150
0x151
0x152
0x153
0x154
0x155
0x156
0x157
0x158
0x159
0x15A
0x15B
0x15C
0x15D
0x15E
0x15F
0x160
0x161
0x162
0x163
0x164
0x165
0x166
0x167
0x168
0x169
0x16A
0x16B
0x16C
0x16D
0x16E
0x16F
[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]
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]
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
STAGE3_CONV_DATA
STAGE3_FF_WORD0
STAGE3_FF_WORD1
STAGE3_FF_WORD2
STAGE3_FF_WORD3
STAGE3_FF_WORD4
STAGE3_FF_WORD5
STAGE3_FF_WORD6
STAGE3_FF_WORD7
STAGE3_SF_WORD0
STAGE3_SF_WORD1
STAGE3_SF_WORD2
STAGE3_SF_WORD3
STAGE3_SF_WORD4
STAGE3_SF_WORD5
STAGE3_SF_WORD6
STAGE3_SF_WORD7
STAGE3_SF_AMBIENT
STAGE3_FF_AVG
STAGE3_CDC_WORD0
STAGE3_CDC_WORD1
STAGE3_MAX_WORD0
STAGE3_MAX_WORD1
STAGE3_MAX_WORD2
STAGE3_MAX_WORD3
STAGE3_MAX_AVG
STAGE3_HIGH_THRESHOLD
STAGE3_MAX_TEMP
STAGE3_MIN_WORD0
STAGE3_MIN_WORD1
STAGE3_MIN_WORD2
STAGE3_MIN_WORD3
STAGE3_MIN_AVG
STAGE3_LOW_THRESHOLD
STAGE3_MIN_TEMP
Unused
Rev. A | Page 60 of 72
Description
STAGE3 CDC 16-bit conversion data
(copy of data in STAGE3_CONV_DATA register)
STAGE3 fast FIFO WORD0
STAGE3 fast FIFO WORD1
STAGE3 fast FIFO WORD2
STAGE3 fast FIFO WORD3
STAGE3 fast FIFO WORD4
STAGE3 fast FIFO WORD5
STAGE3 fast FIFO WORD6
STAGE3 fast FIFO WORD7
STAGE3 slow FIFO WORD0
STAGE3 slow FIFO WORD1
STAGE3 slow FIFO WORD2
STAGE3 slow FIFO WORD3
STAGE3 slow FIFO WORD4
STAGE3 slow FIFO WORD5
STAGE3 slow FIFO WORD6
STAGE3 slow FIFO WORD7
STAGE3 slow FIFO ambient value
STAGE3 fast FIFO average value
STAGE3 CDC FIFO WORD0
STAGE3 CDC FIFO WORD1
STAGE3 maximum value FIFO WORD0
STAGE3 maximum value FIFO WORD1
STAGE3 maximum value FIFO WORD2
STAGE3 maximum value FIFO WORD3
STAGE3 average maximum FIFO value
STAGE3 high threshold value
STAGE3 temporary maximum value
STAGE3 minimum value FIFO WORD0
STAGE3 minimum value FIFO WORD1
STAGE3 minimum value FIFO WORD2
STAGE3 minimum value FIFO WORD3
STAGE3 average minimum FIFO value
STAGE3 low threshold value
STAGE3 temporary minimum value
Set unused register bits = 0