1746-P2
1746-P2
1746-P2
基于FIFO芯片AL422B,以飞思卡尔16位单片机MC9S12DG128为核心，采集摄像头芯片OV7670的图像信息，设计出以低速率的单片机采集高速率图像的图像采集系统。系统采用单片机控制FIFO芯片，先由FIFO实时读取摄像头芯片的一幅完整图像信息，再由单片机以低速率从FIFO的相应寄存器读取该幅图像，读取的同时进行相应的图像处理，得出所需图像中点光源的像素距离后通过FIFO进行下一幅图像的采集。本方案通过样机实验，完全能满足要求，确保了一副图像的完整性。
在单片机应用系统中，由于图像采集速度、程序存储器和数据存储器的寻址空间的限制，要完整存储30 fps、640×480像素大小的一幅图像是相当困难的。本文运用较高性能的16位飞思卡尔单片机在高频的情况下直接采集图像，也只能采集到每行320个像素，丢失图像，无法获得一幅完整的图像。本文通过在图像采集过程中增加FIFO芯片AL422B较好地解决了这一问题，相对于采用昂贵的DSP而言，降低了图像采集系统的成本。
备货，备货，降降降，火火火，火火火……
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SIEMENS 545-1104 CPU MODULE 5451104
CEGELEC CONTROLS 20X4495 BOARD20X4495C1
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ALLEN BRADLEY 150-A180NBD MOTOR CONTROLLER SER.B 150A180NBD
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RELIANCE TGF-2103-C TACHOMETER TGF2103C
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GE GENERAL ELECTRIC 531X134EPRBNG1
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GENERAL DS3800NCMA1B1A BOARD MODULE
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Allen Bradley 20A-C-8P7A-0-AYNNDNN Powerflex 70 AC Drive 20AC8P7A0AYNNDNN
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Allen Bradley 1336S-MCB-SP1A Main Control PC Board 1336SMCBSP1A
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ABB 3HAA3560-GTA TEACH PENDANT 3HAA3563-AAA 3HAA3560GTA
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SEALED Unit Instruments UFC-1660 Mass Flow Controller UFC1660
