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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM3703CUS датащи(PDF) 190 Page - Texas Instruments |
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AM3703CUS датащи(HTML) 190 Page - Texas Instruments |
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190 / 280 page  AM3715, AM3703 SPRS616F – JUNE 2010 – REVISED AUGUST 2011 www.ti.com 6.5 Multimedia Interfaces 6.5.1 Camera ISP2P Interface NOTE For more information, see Camera ISP chapter of the AM/DM37x Multimedia Device Technical Reference Manual (literature number SPRUGN4). The camera subsystem provides the system interfaces and the processing capability to connect raw, YUV or JPEG image sensor modules to the device for video-preview, video-record and still-image-capture applications. The camera ISP2P subsystem supports up to two simultaneous pixel flows but only one of them can use the video processing hardware: • Parallel camera interface + Serial camera interface: one interface data goes through the video processing hardware. The other interface data goes directly to memory • Serial camera interface + Serial camera interface: one serial interface data goes through the video processing hardware. The other serial interface data goes directly to memory. The camera ISP2P subsystem supports different camera configurations: • 10-bit Parallel interface • 12-bit Parallel interface • 12-bit Parallel interface Note: For more information, see the Camera ISP / Camera ISP Environment / Camera ISP Connectivity Schemes section of the AM/DM37x Multimedia Device Technical Reference Manual (literature number SPRUGN4). 6.5.1.1 Camera Output Clocks (cam_xclka and cam_xclkb) Table 6-22. ISP2P cam_xclka and cam_xclkb Output Clocks Switching Characteristics NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX ISP15 1 / tc(xclk) Frequency(1), output clock cam_xclkn(4) 216 216 MHz ISP16 tw(xclkH) Typical pulse duration, output clock 0.5P(2) 0.5P(2) ns cam_xclkn(4) high ISP16 tw(xclkL) Typical pulse duration, output clock 0.5P(2) 0.5P(2) ns cam_xclkn(4) low tdc(xclk) Duty cycle error, output clock cam_xclkn(4) 0.5 * P(2) - 2.083 0.5 * P(2) - 2.083 ps tJ(xclk) Cycle jitter(3), output clock cam_xclkn(4) 0.044 * P(2) 0.044 * P(2) ps tR(xclk) Rise time, output clock cam_xclkn(4) 0.93 0.93 ns tF(xclk) Fall time, output clock cam_xclkn(4) 0.93 0.93 ns (1) Related with the cam_xclkn(4) maximum and minimum frequencies programmable in the ISP module. NOTE: You must disable the camera sensor or the camera module to change the frequency configuration. For more information, see the AM/DM37x Multimedia Device Technical Reference Manual (literature number SPRUGN4). (2) P = cam_xclkn(4) period in ns (3) Maximum cycle jitter supported by cam_xclka and cam_xclkb output clocks. (4) In cam_xclkn, n is equal to a or b. 190 Timing Requirements and Switching Characteristics Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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