ArduCAM USB Camera Shield Application Note for MT9J001 Rev 1.
ArduCAM USB Camera Shield Application Note Table of Contents 1 2 3 4 4.1 4.2 4.3 Introduction ............................................................................................................................. 2 Hardware Installation ............................................................................................................. 2 Run the Demo ..........................................................................................................................
ArduCAM USB Camera Shield Application Note 1 Introduction This user guide describes the detail operation of ArduCAM USB camera for MT9J001. The latest deivce driver, SDK library and examples can be downloaded from the https://github.com/ArduCAM/ArduCAM_USB_Camera_Shield. 2 Hardware Installation There are two different camera interface provided on the USB camera shield, but only one camera interface can be used at a time.
ArduCAM USB Camera Shield Application Note Table 1 HDC1 Connector Pin Definition Pin No.
ArduCAM USB Camera Shield Application Note Click play button to run the camera in video mode. 4 Tune the Sensor Registers 4.1 Identify the Sensor Version Sensor register address 0x00 is read only, and always return the chip vision 0x2C01(11265) when read it. Input the register address 0 in decimal to the RegAddr dialog box and click read button, the Value dialog box will show 11265 in decimal which is identical to 0x2C01 in hex. 4.
ArduCAM USB Camera Shield Application Note The actual integration time is given by: It is required that: coarse_integration_time < = (frame_length_lines - coarse_integration_time_max_margin) If this limit is exceeded, the frame time will automatically be extended to (coarse_integration_time + coarse_integartion_time_max_margin) to accommodate the larger integration time.
ArduCAM USB Camera Shield Application Note Exposure = 31ms, RegAddr = 12306 (0x3012), Value = 100 Exposure = 62ms, RegAddr = 12306 (0x3012), Value = 200 4.3 Adjust the Sensor Gain Gain settings are like the ISO settings in most digital cameras. The gain is divided into analog and digital gain, and there are separate gain settings for four color-specific gains. There is also global gain setting to change all the four color-specific gains.
ArduCAM USB Camera Shield Application Note RegAddr = 12328 (0x3028), Value = 10 RegAddr = 12328 (0x3028), Value = 50 RegAddr = 12328 (0x3028), Value = 100 7 www.ArduCAM.
