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AD7877 Datasheet(PDF) 41 Page - Analog Devices |
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AD7877 Datasheet(HTML) 41 Page - Analog Devices |
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41 / 46 page  AD7877 Data Sheet Register Name: DAC Register Write Address: 1110 Read Address: 01110 Default Value: 0x008 Type: Read/write Table 21. Bit Name Read/Write Description 0 RANGE R/W Output range of the DAC in voltage mode 0 = 0 to VCC/2 1 = 0 to VCC 1 Not Used R/W This bit is not used 2 V/I R/W Voltage output and current output 0 = voltage 1 = current 3 PD R/W DAC power-down 0 = DAC on 1 = DAC powered down 4 DAC0 LSB of DAC data 5 DAC1 Bit 1 of DAC data 6 DAC2 Bit 2 of DAC data 7 DAC3 Bit 3 of DAC data 8 DAC4 Bit 4 of DAC data 9 DAC5 Bit 5 of DAC data 10 DAC6 Bit 6 of DAC data 11 DAC7 MSB of DAC data Register Name: Y Position Write Address: N/A Read Address: 10000 Default Value: 0x000 Type: Read only This register contains the 12-bit result of the measurement at the X+ input with Y layer excited (Y position measurement). Register Name: X Position Write Address: N/A Read Address: 10001 Default Value: 0x000 Type: Read only This register contains the 12-bit result of the measurement at the Y+ input with X layer excited (X position measurement). Register Name: Z2 Write Address: N/A Read Address: 10010 Default Value: 0x000 Type: Read only This register contains the 12-bit result of the measurement at the Y− input with excitation voltage applied to Y+ and X− (used for touch-pressure calculation). Register Name: AUX1 Write Address: N/A Read Address: 10011 Default Value: 0x000 Type: Read only This register contains the 12-bit result of the measurement at Auxiliary Input 1. Rev. E | Page 40 of 45 |
Similar Part No. - AD7877_17 |
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Similar Description - AD7877_17 |
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