Allwinner A20 - Page 452

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 452 / 812
Offset: 0x054
Register name: Aud_N
Bits
Read
/Write
Default
/Hex
Description
Audio clock regeneration factor N
5.2.4.17. AUDIO PCM CHANNEL STATUS 0
Offset: 0x058
Register name: Aud_CH_Status0
Bits
Read
/Write
Default
/Hex
Description
31:30
R/W
0x00
CHNL_BIT1
(reserved)
29:28
R/W
0x00
CLK_ACCUR:
Clock accuracy tolerance
27:24
R/W
0x00
FS_FREQ:
Sampling frequency setting
0000 = 44.1 KHz
0010 = 48 KHz
0011 = 32 KHz
1000 = 88.2 KHz
1010 = 96 KHz
1100 =176.4 KHz
1110 = 192 KHz
others = reserved
23:20
R/W
0x00
CH_NUM
Channel number
19:16
R/W
0x00
SOURCE_NUM
Source number
15:8
R/W
0x00
CATEGORY CODE
Category code
7:6
R/W
0x00
MODE
00: Default Mode
01~11: Reserved
5:3
R/W
0x00
EMPHASIS
Additional format information