Pin No.    PIN NAME    TYPE                     DESCRIPTION
1            VCC            POWER             3.3v Power supply
2            GND            Ground             Power ground
3            SCL            Input                     Two-Wire Serial Interface Clock
4            SDATA    Bi-directional     Two-Wire Serial Interface Data I/O
5            VSYNC    Output             Active High: Frame Valid; indicates active frame
6            HREF            Output             Active High: Line/Data Valid; indicates active pixels
7            PCLK            Output             Pixel Clock output from sensor
8            XCLK            Input              Master Clock into Sensor
9            DOUT9    Output             Pixel Data Output 9 (MSB)
10            DOUT8    Output             Pixel Data Output 8
11            DOUT7    Output             Pixel Data Output 7
12            DOUT6    Output             Pixel Data Output 6
13            DOUT5    Output             Pixel Data Output 5
14            DOUT4    Output             Pixel Data Output 4
15            DOUT3    Output             Pixel Data Output 3
16            DOUT2    Output             Pixel Data Output 2 (LSB)
17            M+            POWER             Power for VCM
18            GND            Ground             Ground for VCM
19            RST            Input                     Sensor reset signal, active low
20            PWDN    Input              Power down input, active high