RK3288 Hardware Design Guide
Fig 19-4
19.2 PCB Layout
Users' habits must be considered when the light sensor is placed on PCB, the best
placement zone is near the front camera and don't place any other luminous bodies
near it, as shown in Fig 19-5.
Fig 19-5
Illumination value received by light sensor is determined by the size of TP silk screen
hole and ink light transmittance. The incident angle should be greater than ±30
degrees, as shown in Fig 19-6. And please refer to
Capella ALS Design Guide
for
calculation formulas and reference values.
Содержание RK32 Series
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