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AD7889 Scheda tecnica(PDF) 21 Page - Analog Devices |
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AD7889 Scheda tecnica(HTML) 21 Page - Analog Devices |
21 / 40 page Data Sheet AD7879/AD7889 Rev. D | Page 21 of 40 REGISTER MAP Table 11. Register Table Address1 Register Name Description Default Value Type 0x00 Unused Unused 0x0000 R/W 0x01 Control Register 1 Pen interrupt enable, channel selection for manual conversion, ADC mode, acquisition time, and conversion timer 0x0000 R/W 0x02 Control Register 2 ADC power management, GPIO control, pen interrupt mode, averaging, median filter, software reset, and FCD 0x4040 R/W 0x03 Control Register 3 Status of high/low limit comparisons for TEMP and AUX/VBAT, and enable bits to allow them to become interrupts; channel selection for slave/master mode 0x0000 R/W 0x04 AUX/VBAT high limit AUX/VBAT high limit for comparison 0x0000 R/W 0x05 AUX/VBAT low limit AUX/VBAT low limit for comparison 0x0000 R/W 0x06 TEMP high limit TEMP high limit for comparison 0x0000 R/W 0x07 TEMP low limit TEMP low limit for comparison 0x0000 R/W 0x08 X+ X+ measurement for Y position 0x0000 R 0x09 Y+ Y+ measurement for X position 0x0000 R 0x0A X+ (Z1) X+ measurement for touch pressure calculation (Z1) 0x0000 R 0x0B Y− (Z2) Y− measurement for touch pressure calculation (Z2) 0x0000 R 0x0C AUX/VBAT AUX/VBAT voltage measurement 0x0000 R 0x0D TEMP Temperature conversion measurement 0x0000 R 0x0E Revision and device ID Revision and device ID 0x0379 (AD7879-1/AD7889-1) R 0x037A (AD7879/AD7889) R 1 Do not write to addresses outside the register map. |
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