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DS90UB926不能锁定925输出信号



我电路板内部生成视频信号(分辨率480x240和800x480)通过925 串行之后通过cable连接到另外一块电路板(926电路板)解串,当分辨率为480x240的时候,926能锁定;当分辨率为800x480的时候926不能正常锁定,此时925 的0c寄存器的值为0x05(Valid PCLK detected 和 Cable link detected)。