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TVP5160的I2C通讯就是没有应答信号，从机地址是对的，排除了I2C时序问题，请帮忙看看TVP5160还有没有其他要注意的地方，谢谢
你好，i2c是否上拉，cvbs信号是否进行75欧电阻匹配，还有电源去耦，请参考手册95页原理图www.ti.com/.../tvp5160.pdf
I2C有上拉4.7K，I2C时钟33KHz，CVBS信号有75欧姆匹配，但是目前还没有加上信号源测试，每个电源脚都有去耦电容
