文件名称:OV6620
- 所属分类：
- 单片机(51,AVR,MSP430等)
- 资源属性：
- [WORD]
- 上传时间：
- 2012-11-26
- 文件大小：
- 3kb
- 下载次数：
- 0次
- 提 供 者：
- zouh*****
- 相关连接：
- 无
- 下载说明：
- 别用迅雷下载，失败请重下，重下不扣分！
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电路图中CD40106的作用：将行信号反向，原因是单片要贩IRQ中断只能捕捉下跳变，而对行信号而已，其下跳变是行扫描的结束，上跳变以行扫描的开始，用CD40106后，将信号反向，使得单片机捕捉到下跳变后，正好是行扫描的开始，这样就可以一进入中断就进行采集了。
对于场信号接PJ0，主要是用于图像的刷新，一副图像的开始。-CD40106 circuit in the role: The reverse trip signal, the reasons are monolithic to stall interrupt IRQ can only capture the next hopping, while the signal line, the next hopping are the end of the line, hopping on a line scan beginning with CD40106, it will signal the reverse, making single-chip capture to the next jump after the scan lines are just beginning, so that you can enter the interrupt on the one collected. Signal for the market access PJ0, is used mainly to refresh the image, start a pair of images.
对于场信号接PJ0，主要是用于图像的刷新，一副图像的开始。-CD40106 circuit in the role: The reverse trip signal, the reasons are monolithic to stall interrupt IRQ can only capture the next hopping, while the signal line, the next hopping are the end of the line, hopping on a line scan beginning with CD40106, it will signal the reverse, making single-chip capture to the next jump after the scan lines are just beginning, so that you can enter the interrupt on the one collected. Signal for the market access PJ0, is used mainly to refresh the image, start a pair of images.
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OV6620.doc