alc882 Realtek Semiconductor Corporation, alc882 Datasheet - Page 3

• Manufacturer Part Number: alc882
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

1.
2.
3.
4.
5.
6.
7.
7.1+2 Channel High Definition Audio Codec
2.1.
2.2.
4.1.
5.1.
6.1.
6.2.
6.3.
6.4.
7.1.
7.2.
7.3.
7.1.1.
7.1.2.
7.2.1.
7.2.2.
7.2.3.
7.2.4.
7.2.5.
7.3.1.
7.3.2.
7.3.3.
General Description .................................................................................................... 1
Features ........................................................................................................................ 2
System Applications .................................................................................................... 3
Block Diagram ............................................................................................................. 4
Pin Assignments........................................................................................................... 6
Pin Descriptions........................................................................................................... 7
High Definition Audio Link Protocol ........................................................................ 9
H
S
A
L
D
A
F
P
L
F
R
OFTWARE
ILTER
OWER
RAME
EAD
INK
ESET AND
ARDWARE
NALOG
IGITAL
NALOG
Signal Definitions .................................................................................................................................................10
Signaling Topology ............................................................................................................................................... 11
Outbound Frame – Single SDO............................................................................................................................12
Outbound Frame – Multiple SDO ........................................................................................................................13
Inbound Frame – Single SDI ................................................................................................................................14
Inbound Frame – Multiple SDI ............................................................................................................................15
Variable Sample Rates..........................................................................................................................................15
Link Reset .............................................................................................................................................................18
Codec Reset ..........................................................................................................................................................19
Codec Initialization Sequence ..............................................................................................................................20
S
(P
IGNALS
/R
/G
C
B
I/O P
I
I/O P
OMPOSITION
EFERENCE
)-F
ROUND
NPUT
F
I
F
NITIALIZATION
REE
EATURES
EATURES
INS
INS
..................................................................................................................................9
/O
P
..............................................................................................................................8
UTPUT
.............................................................................................................................7
.............................................................................................................................7
ACKAGE AND
..........................................................................................................................8
.....................................................................................................................12
......................................................................................................................3
.....................................................................................................................2
U
NIT
............................................................................................................18
Table of Contents
.........................................................................................................5
V
ERSION
I
DENTIFICATION
iii
.............................................................6
Track ID: JATR-1076-21
ALC882 Series
Datasheet
Rev. 1.5