ITEM NAME:1Pcs Useful Camera Module VGA Module Practical Camera Module I9T2 I9D0 Description&Preview.â— Supports VGA, CIF, and various sizes from CIF to 40x30. PCLK ---- pixel clock (output signal). â— Standard SCCB interface, compatible with I2C interface. D0-D7 --- data port (output signal). RESTE --- reset port (normal use pull high).