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VD5377 数据表(PDF) 13 Page - STMicroelectronics |
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VD5377 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 88 page  Doc ID 022952 Rev 2 13/88 VD5377 Application schematics 3 Application schematics There are two power configurations for the VD5377: a 2.2 V to 3.0 V external supply utilizing the device’s internal 1.8 V regulator or direct drive using an externally regulated 1.8 V supply. Typical application schematics are shown for both configurations in Figure 3 and Figure 4. The internal 1.8 V core regulator requires a minimum 220 nF decoupling capacitor. Larger values may increase the minimum power down time which is required to guarantee a proper reset of the device. Figure 3. VTOP supply (using internal regulator) STANDBY POWERDOWN VTOP SCL SDA MOTION GND Optional I2C Address Navigation LED NC 220 nF NC 1.8V 1.8V I2C_SEL0 I2C_SEL1 I2C_SEL2 LED_OUT DVSS BACKLED0 BACKLED1 BACKLED2 DVDD GPIO0 MOTION TEST_CLK SDA 2 1 3 4 5 6 7 8 9 19 20 22 23 24 SCL 10 DVSS 11 18 17 16 14 13 AVSS 25 26 AVDD DVSS 21 12 15 VD5377 |
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