alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 3

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

1.
2.
3.
4.
5.
6.
7.
7.1 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........................................................................................................... 5
Pin Descriptions........................................................................................................... 6
High Definition Audio Link Protocol ........................................................................ 8
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 ...................................................................................................................................................8
Signaling Topology .................................................................................................................................................9
Outbound Frame – Single SDO............................................................................................................................10
Outbound Frame – Multiple SDOs.......................................................................................................................12
Inbound Frame – Single SDI ................................................................................................................................13
Inbound Frame – Multiple SDIs...........................................................................................................................14
Variable Sample Rates..........................................................................................................................................14
Link Reset .............................................................................................................................................................16
Codec Reset ..........................................................................................................................................................18
Codec Initialization Sequence ..............................................................................................................................18
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
..................................................................................................................................8
/O
P
..............................................................................................................................7
UTPUT
.............................................................................................................................6
.............................................................................................................................6
ACKAGE AND
..........................................................................................................................7
.....................................................................................................................10
......................................................................................................................3
.....................................................................................................................2
U
NIT
............................................................................................................16
Table of Contents
.........................................................................................................4
V
ERSION
I
DENTIFICATION
iii
.............................................................5
Track ID: JATR-1076-21
ALC880 Series
Datasheet
Rev. 1.4