Allwinner A20 - AC97 Block Diagram

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 721 / 812
6.10.2. AC97 Block diagram
APB
I/F
APB
SFR FSM & Control
DMA
Engine
Interrupt
Control
TX FIFO
RX FIFO
AC-Link
I/F
AC-Link
AC97 Interface Block Diagram
Operation Flow Diagram