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MT9V032 Scheda tecnica(PDF) 49 Page - ON Semiconductor |
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MT9V032 Scheda tecnica(HTML) 49 Page - ON Semiconductor |
49 / 61 page MT9V032 www.onsemi.com 49 Table 10. LVDS PACKET FORMAT IN STEREOSCOPY MODE (Stereoscopy Mode Bit Asserted) 18−bit Packet Function Bit[0] 1’b1 (Start bit) Bit[1] Master Sensor Pixel Data [2] Bit[2] Master Sensor Pixel Data [3] Bit[3] Master Sensor Pixel Data [4] Bit[4] Master Sensor Pixel Data [5] Bit[5] Master Sensor Pixel Data [6] Bit[6] Master Sensor Pixel Data [7] Bit[7] Master Sensor Pixel Data [8] Bit[8] Master Sensor Pixel Data [9] Bit[9] Slave Sensor Pixel Data [2] Bit[10] Slave Sensor Pixel Data [3] Bit[11] Slave Sensor Pixel Data [4] Bit[12] Slave Sensor Pixel Data [5] Bit[13] Slave Sensor Pixel Data [6] Bit[14] Slave Sensor Pixel Data [7] Bit[15] Slave Sensor Pixel Data [8] Bit[16] Slave Sensor Pixel Data [9] Bit[17] 1’b0 (Stop bit) Control signals LINE_VALID and FRAME_VALID can be reconstructed from their respective preceding and succeeding flags that are always embedded within the pixel data in the form of reserved words. Table 11. RESERVED WORDS IN THE PIXEL DATA STREAM Pixel Data Reserved Word Flag 0 Precedes frame valid assertion 1 Precedes line valid assertion 2 Succeeds line valid de−assertion 3 Succeeds frame valid de−assertion When LVDS mode is enabled along with column binning (bin 2 or bin 4, R0x0D[3:2]), the packet size remains the same but the serial pixel data stream repeats itself depending on whether 2X or 4X binning is set: • For bin 2, LVDS outputs double the expected data (pixel 0,0 is output twice in sequence, followed by pixel 0,1 twice, . . .). • For bin 4, LVDS outputs 4 times the expected data (pixel 0,0 is output 4 times in sequence followed by pixel 0,1 times 4, . . .). The receiving hardware will need to undersample the output stream getting data either every 2 clocks (bin 2) or every 4 (bin 4) clocks. If the sensor provides a pixel whose value is 0,1, 2, or 3 (that is, the same as a reserved word) then the outgoing serial pixel value is switched to 4 |
Codice articolo simile - MT9V032_17 |
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Descrizione simile - MT9V032_17 |
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