Allwinner A20 - Page 719

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 719 / 812
Name
Description
APB_CLK
APB bus system clock. In I2S mode, it is requested >= 0.25 BCLK. In PCM
mode, it is requested >= 0.5 BCLK.