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VD5377 Fiches technique(PDF) 58 Page - STMicroelectronics

No de pièce VD5377
Description  Ultra-low power motion sensor for optical finger navigation (OFN)
PDF  88 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VD5377 Fiches technique(HTML) 58 Page - STMicroelectronics

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Doc ID 022952 Rev 2
9.1.2
Debug mode
The VD5377 implements a debug mode where a grey scale image can be output instead of
the image data.
To enter this mode, bit 7 of register 0x59 (“framedump_mire”) must be set. The output frame
should resemble the picture in Figure 25.
Figure 25. I2C frame dump output in debug mode
9.2
Fast capture
To enter this test mode:
1.
Set register 0x5 = 0x18 - sensor in manual power mode and host_config_done set.
2.
Set bit 4 of registry 0x15 to 1 (clk_pci_en).
3.
Set bit 4 of registry 0x59 to 1 (pci_test_enable).



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