Allwinner A20 - Page 718

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 718 / 812
Sampling Rate
(kHz)
128fs
192fs
256fs
384fs
512fs
768fs
8
24
16
12
8
6
4
16
12
8
6
4
X
2
32
6
4
X
2
X
1
64
X
2
X
1
X
X
128
X
1
X
X
X
X
12
16
X
8
X
4
X
24
8
X
4
X
2
X
48
4
X
2
X
1
X
96
2
X
1
X
X
X
192
1
X
X
X
X
X
MCLKDIV value for 24.576MHz Audio Serial Frequency
Sampling Rate
(kHz)
128fs
192fs
256fs
384fs
512fs
768fs
11.025
16
X
8
X
4
X
22.05
8
X
4
X
2
X
44.1
4
X
2
X
1
X
88.2
2
X
1
X
X
X
176.4
1
X
X
X
X
X
MCLKDIV value for 22.5792 MHz Audio Serial Frequency
Word Select
Size
128fs
192fs
256fs
384fs
512fs
768fs
16
4
6
8
12
16
X
24
X
4
X
8
X
16
32
2
X
4
6
8
12
BCLKDIV value for Different Word Select Size
DIGITAL AUDIO INTERFACE CLOCK SOURCE AND FREQUENCY
There are two clocks for Digital Audio Interface. One is from APB bus and one is from Audio PLL.
Name
Description
Audio_PLL
24.576Mhz or 22.528Mhz generated by Audio PLL