The Raspberry PI cam module (rev. 1.x) consists of a OV5647 CMOS image sensor.

The product brief in pdf format: http://www.ovt.com/uploads/parts/OV5647.pdf

Full product description: http://cdn.sparkfun.com/datasheets/Dev/RaspberryPi/ov5647_full.pdf

Serial cam control bus (SCCB): http://www.ovt.com/download_document.php?type=document&DID=63

http://www.uctronics.com/download/cam_module/1Inch4_5_Megapixel_OV5642_CMOS_Camera_Module_DS_V1.1.pdf

http://www.dx.com/p/waveshare-5-megapixel-ov5647-sensor-rpi-zero-v1-3-camera-module-447586#.WCD1zC0rLZ4

http://www.waveshare.com/rpi-zero-v1.3-camera.htm

http://www.waveshare.com/raspberry-pi-zero-v1.3-camera-cable.htm

• E-Con OV5640

http://cdn.sparkfun.com/datasheets/Dev/RaspberryPi/ov5647_full.pdf

https://en.wikipedia.org/wiki/Exmor

https://www.youtube.com/watch?v=AXp0u1XsrZw

https://www.youtube.com/watch?v=1dBsrHuuzck

https://www.e-consystems.com/OV5640-70mm-MIPI-Camera-Module.asp

https://www.youtube.com/watch?v=iRAyTZMzI0c

http://raspberrypiguide.de/howtos/raspberry-pi-camera-how-to/

https://www.raspberrypi.org/magpi-issues/MagPi14.pdf

http://www.arducam.com/8mp-sony-imx219-camera-raspberry-pi/

MIPI (mobile industry processor interface)

CSI (camera serial interface).