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DDC112: 使用STM32F4控制DDC112,但DVALID信号一直为高

Part Number: DDC112


求助,在使用DDC112器件的过程中,在上电后,PWM输出了10M的CLK,和1khz的CONV,DDC112工作在continue模式,通过示波器观察 发现CLK和CONV同步,但DVALID一直为高电平状态。