SimCom SIM5215 Hardware Design page 40

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Figure 28: Reference circuit
When using analog sensor, you need to use AK8856 to decode NTSC or PAL signal to digital signal
firstly，and then AK8856 transmits the digital data into the camera interface. Refer to the following figure.
Figure 29: Analog sensor circuit reference
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SIM5215&SIM5216_Hardware Design_V2.02 2012-08-31