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BU1574KU Scheda tecnica(PDF) 10 Page - Rohm |
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BU1574KU Scheda tecnica(HTML) 10 Page - Rohm |
10 / 13 page BU1572GUW, BU1573KV, BU1574KU Technical Note 10/12 www.rohm.com 2009.04- Rev.B © 2009 ROHM Co., Ltd. All rights reserved. ●Development Scheme This technical note is aimed at trying the connectivity in the hardware between customer’s system and our AIE Adaptive Image Enhancer series. We prepare various data and tools for every development STEP as follows other than this technical note, please contact the sales staff in your duty also including the support system. (1) Demonstration STEP (You can try the standard image processing functions by the standard Demonstration kit at once.) You can confirm on TV screen what carried out AIE processing of a camera image and the DVD video image. ・Standard Demonstration board kit ◎Demonstration board(TV-IN→BU1573KV→TV-OUT board) ◎Demonstration board operation manual ◎Demonstration software If the software for the trial board is installed in your Windows PC(Windows 2000/XP), more detailed setting is possible. ◎USB cable (2) Confirmation STEP (We will respond to customer’s camera module.) ・Specifications We will provide specifications for AIE Adaptive Image Enhancer according to customer’s requirements. ・Function explanation We will deliver you the function explanation describing detailed functions, register settings, external interfaces, timing, and so forth of AIE Adaptive Image Enhancer according to your requests. ・Application note We will deliver you the detailed explanation data on application development of AIE Adaptive Image Enhancer according to your requests. (3) System check STEP (You can check the application operation as a system by the kit of system check tools and your camera module.) You can check the interface with your camera module and the application operation on the system check board using the tools for user’s only. ・System check tools kit ◎Board for system evaluation ◎Manual for system evaluation ◎Macro command file for reference *You can check the detailed functions of the application operation by your PC using the macro command file. (4) Integrated check STEP with user’s system (You can check the application operation as a system on your system check board using the integrated check software.) You can check the application operation on the sample LSI-equipped system check board by your camera module using the integrated check software. ・On line Support;We will answer your questions about the software development. ●Cautions on use (1) Absolute Maximum Ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down devices, thus making impossible to identify breaking mode such as a short circuit or an open circuit. If any special mode exceeding the absolute maximum ratings is assumed, consideration should be given to take physical safety measures including the use of fuses, etc. (2) Operating conditions These conditions represent a range within which characteristics can be provided approximately as expected. The electrical characteristics are guaranteed under the conditions of each parameter. (3) Reverse connection of power supply connector The reverse connection of power supply connector can break down ICs. Take protective measures against the breakdown due to the reverse connection, such as mounting an external diode between the power supply and the IC’s power supply terminal. (4) Power supply line Design PCB pattern to provide low impedance for the wiring between the power supply and the GND lines. In this regard, for the digital block power supply and the analog block power supply, even though these power supplies has the same level of potential, separate the power supply pattern for the digital block from that for the analog block, thus suppressing the diffraction of digital noises to the analog block power supply resulting from impedance common to the wiring patterns. For the GND line, give consideration to design the patterns in a similar manner. Furthermore, for all power supply terminals to ICs, mount a capacitor between the power supply and the GND terminal. At the same time, in order to use an electrolytic capacitor, thoroughly check to be sure the characteristics of the capacitor to be used present no problem including the occurrence of capacity dropout at a low temperature, thus determining the constant. |
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