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LASO - Learn ARM with Source Open

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AC97 寄存器配置

AC97 寄存器分类

AC97 SFR 

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AC97 Controller : Control & Status Reg

AC97 CODEC: Command & Status Reg

	refer to WM9714.pdf Page80 (Register Map)



(FIFO ADDRESS Reg)

AC97 PCM OUT/IN DATA: FIFO DATA Reg

初始化流程

AC97 State Machine (FSM)

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0: IDLE

1: INIT (reset value)

2: READY (aclink-on)

3: ACTIVE

4: LP

5: WARM

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