Owners manual

Interfaces
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 555
Bit
R/W
Default/Hex
Description
31: 30
/
/
/
29:28
R/W
CA
Clock Accuracy
00: Level 2
01: Level 1
10: Level 3
11: not matched
27:24
R/W
FREQ
Sampling frequency
0000: 44.1kHz 1000: Reserved
0001: not indicated 1001: 768kHz
0010: 48kHz 1010: 96kHz
0011: 32kHz 1011: Reserved
0100: 22.05kHz 1100:176.4kHz
0101: Reserved 1101: Reserved
0110: 24kHz 1110: 192kHz
0111: Reserved 1111: Reserved
23:20
R/W
0
CN
Channel Number
19:16
R/W
0
SN
Source Number
15:8
R/W
0
CC
Category code
Indicates the kind of equipment that generates the digital audio interface
signal.
7:6
R/W
0
MODE
Mode
00: Default Mode
01~11: Reserved
5:3
R/W
0
EMP
Emphasis
Additional format information
For bit 1 = “0”, Linear PCM audio mode:
000: 2 audio channels without pre-emphasis
001: 2 audio channels with 50 μs / 15 μs pre-emphasis
010: Reserved (for 2 audio channels with pre-emphasis)
011: Reserved (for 2 audio channels with pre-emphasis)
100~111: Reserved
For bit 1 = “1”, other than Linear PCM applications:
000: Default state
001~111: Reserved
2
R/W
0
CP
Copyright
0: copyright is asserted
confidential