Datasheet

AD7879/AD7889
Rev. C | Page 25 of 40
Table 16. Measurement Result Registers (Read Only)
Address Register Name Data Bits Description Default Value
0x08 X+ [15:0] Measured X+ input with Y excitation (Y position) 0x0000
0x09 Y+ [15:0] Measured Y+ input with X excitation (X position) 0x0000
0x0A X+ (Z1) [15:0] Measured X+ input with X − and Y+ excitation (touch-pressure calculation Z1) 0x0000
0x0B Y− (Z2) [15:0] Measured Y − input with X− and Y+ excitation (touch-pressure calculation Z2) 0x0000
0x0C AUX/VBAT [15:0] AUX/VBAT voltage measurement 0x0000
0x0D TEMP [15:0] Temperature conversion measurement 0x0000
Table 17. Revision and Device ID Register (Read Only)
Address Data Bits Description Default Value
0x0E [15:12] Unused
0x0379 (AD7879-1/AD7889-1)
0x037A (AD7879/AD7889)
[11:8] Revision and device ID bits
[7:0] Device ID