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AD7879-1ACPZ-500R7 データシート(PDF) 7 Page - Analog Devices |
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AD7879-1ACPZ-500R7 データシート(HTML) 7 Page - Analog Devices |
7 / 40 page Data Sheet AD7879/AD7889 Rev. D | Page 7 of 40 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TOP VIEW (BALL SIDE DOWN) Not to Scale AUX/ VBAT/ GPIO VCC/REF X+ Y+ DOUT DIN X– SCL GND Y– 1 A B C D 23 BALL A1 INDICATOR PENIRQ/ INT/DAV CS Figure 5. AD7879/AD7889 WLCSP Pin Configuration TOP VIEW (BALL SIDE DOWN) Not to Scale AUX/ VBAT/ GPIO VCC/REF X+ Y+ SDA ADD1 X– SCL GND Y– 1 A B C D 23 BALL A1 INDICATOR PENIRQ/ INT/DAV ADD0 Figure 6. AD7879-1/AD7889-1 WLCSP Pin Configuration Table 6. WLCSP Pin Function Descriptions Pin No. Mnemonic Description AD7879/ AD7889 AD7879-1/ AD7889-1 1A 1A AUX/VBAT/GPIO This pin can be programmed as an auxiliary input to the ADC (AUX), as a battery measurement input to the ADC (VBAT), or as a GPIO. 1B 1B PENIRQ/INT/DAV Interrupt Output. This pin is asserted when the screen is touched (PENIRQ), when a measurement exceeds the preprogrammed limits (INT), or when new data is available in the registers (DAV). This pin is active low and has an internal 50 kΩ pull-up resistor. 1C Not applicable DOUT SPI Serial Data Output for the AD7879/AD7889. Not applicable 1C SDA I2C Serial Data Input and Output for the AD7879-1/AD7889-1. 1D 1D SCL Serial Interface Clock Input. 2A 2A VCC/REF Power Supply Input and ADC Reference. 2B Not applicable CS Chip Select for the SPI Serial Interface on the AD7879/AD7889. This pin is active low. Not applicable 2B ADD0 I2C Address Bit 0 for the AD7879-1/AD7889-1. Tie this pin high or low to determine an address for the AD7879-1/AD7889-1 (see Table 25). 2C Not applicable DIN SPI Serial Data Input to the AD7879/AD7889. Not applicable 2C ADD1 I2C Address Bit 1 for the AD7879-1/AD7889-1. Tie this pin high or low to determine an address for the AD7879-1/AD7889-1 (see Table 25). 2D 2D GND Ground. This pin is the ground reference point for all circuitry on the AD7879/AD7889. Refer all analog input signals and any external reference signal to this voltage. 3A 3A X+ Touch Screen Input Channel. 3B 3B Y+ Touch Screen Input Channel. 3C 3C X− Touch Screen Input Channel. 3D 3D Y− Touch Screen Input Channel. |
同様の部品番号 - AD7879-1ACPZ-500R7 |
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同様の説明 - AD7879-1ACPZ-500R7 |
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