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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1106467/tas5825m-when-pvdd-is-not-applied-but-dvdd-is-applied-and-also-there-is-i2s-and-i2c-signal-on-it-is-this-condition-no-problem
这只是标题。请回答。 此致、NY
你(们)好
一旦 PVDD 低于4.2V (欠压阈值)、UVE 将被触发。
D 类输出将设置为 Hi-Z。寄存器0x71h 将报告故障。当您的 pvdd 恢复后、器件将返回到之前的状态。
但除非您再次设置、否则故障将被保留。
谢谢。
Jesse
