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MT9M131 Arkusz danych(PDF) 4 Page - ON Semiconductor |
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MT9M131 Arkusz danych(HTML) 4 Page - ON Semiconductor |
4 / 50 page MT9M131 www.onsemi.com 4 Figure 2. Internal Registers Grouping Image Flow Processor R0xF0 = 0 R0xF0 = 1 R0xF0 = 2 Sensor Core Registers R0x000−R0x0FF Color Pipeline Registers R0x100−R0x1FF Camera Control Registers R0x200−R0x2FF NOTE: Internal registers are grouped in three address spaces. Register R0xF0 in each page selects the desired address space. When accessing internal registers through the two-wire serial interface, select the desired address space by programming the R0xF0 shared register. The MT9M131 accelerates mode switching with hardware-assisted context switching and supports taking snapshots, flash snapshots, and video clips using a configurable sequencer. The MT9M131 supports a range of color formats derived from four primary color representations: YCbCr, RGB, raw Bayer (unprocessed, directly from the sensor), and processed Bayer (Bayer format data regenerated from processed RGB). The device also supports a variety of output signaling/timing options: • Standard FV/LV video interface with gated pixel clocks • Standard video interface with uniform clocking • Progressive ITU−R BT.656 marker-embedded video interface with either gated or uniform pixel clocking REGISTER OPERATIONS This data sheet refers to various registers that the user reads from or writes to for altering the MT9M131 operation. Hardware registers appear as follows and may be read from or written to by sending the address and data information over the two-wire serial interface. Figure 3. Register Legend R0xn24 [4:3] Indication of Register (as opposed to driver variable) Denotes Hexadecimal Notation Page Number (0, 1, or 2) Register Number [00 to FF] Register Bits [15 to 0] The MT9M131 was designed to facilitate customizations to optimize image quality processing. Multiple parameters are allowed to be adjusted at various stages of the image processing pipeline to tune the quality of the output image. The MT9M131 contains three register pages: sensor, colorpipe, and camera control. The register page must be set prior to writing to a register in the page. For example, to write to register R0x106 (register 6 in page 1): • Write the value of “1” to the page map register (0xF0) • Write the desired value to register R0x06 The sensor maintains the page number once set. The page map register is located at address 0xF0 for all three register pages. |
Podobny numer części - MT9M131_17 |
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