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AD7879 Datasheet(PDF) 23 Page - Analog Devices

Part # AD7879
Description  Low Voltage Controller for Touch Screens
PDF  36 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7879 Datasheet(HTML) 23 Page - Analog Devices

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AD7879
Rev. 0 | Page 23 of 36
Table 14. Measurement Result Registers
Address
Data Bit
Description
Default Value
0x08
15:0
Measured X+ input with Y excitation (Y position)
0x0000
0x09
15:0
Measured Y+ input with X excitation (X position)
0x0000
0x0A
15:0
Measured X+ input with X− and Y+ excitation (touch-pressure calculation Z1)
0x0000
0x0B
15:0
Measured Y− input with X− and Y+ excitation (touch-pressure calculation Z2)
0x0000
0x0C
15:0
AUX/VBAT voltage measurement
0x0000
0x0D
15:0
Temperature conversion measurement
0x0000
Table 15. Revision/Device ID Register
Address
Data Bit
Description
Default Value
0x0E
15:12
Unused
0x0379 (AD7879-1)
0x037A (AD7879)
11:8
Revision and device ID bits
7:0
Device ID



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