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0df469d2b6
huchuan2025
/
10-Project
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102-上班
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备忘
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音频codec8901注意点.md
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speaker使能管脚 spk-ctrl-gpios
可以由sa8901的gpio使能/sa6920的gpio使能(E3)
i2s clk源配置 ?
独立晶振配置 / 从6920供给clk
(
E3
)
mic 2.8V电使能
可以由6920控制 / 可以直接使能
vad管脚
(
todo
)
ldo-en的配置
如果是E芯片 0xff
如果是E3芯片 0x9f bit5VDDIO_18(影响功耗) bit6