alc861 Realtek Semiconductor Corporation, alc861 Datasheet - Page 3

• Manufacturer Part Number: alc861
• 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.
5.1.
6.1.
6.2.
6.3.
6.4.
6.5.
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 .................................................................................................... 2
Block Diagram ............................................................................................................. 3
Pin Assignments........................................................................................................... 4
Pin Descriptions........................................................................................................... 5
High Definition Audio Link Protocol ........................................................................ 7
H
S
P
D
A
F
P
NC (N
L
F
R
OFTWARE
ACKAGE AND
ILTER
OWER
RAME
INK
ESET AND
ARDWARE
IGITAL
NALOG
Signal Definitions ...................................................................................................................................................7
Signaling Topology .................................................................................................................................................8
Outbound Frame – Single SDO..............................................................................................................................9
Outbound Frame – Multiple SDOs....................................................................................................................... 11
Inbound Frame – Single SDI ................................................................................................................................12
Inbound Frame – Multiple SDIs...........................................................................................................................13
Variable Sample Rates..........................................................................................................................................13
Link Reset .............................................................................................................................................................15
Codec Reset ..........................................................................................................................................................17
Codec Initialization Sequence ..............................................................................................................................17
S
OT
IGNALS
/R
/G
C
I/O P
I/O P
OMPOSITION
EFERENCE
ROUND
C
ONNECTED
F
I
F
NITIALIZATION
EATURES
EATURES
INS
INS
..................................................................................................................................7
V
ERSION
..............................................................................................................................6
.............................................................................................................................5
.............................................................................................................................5
..........................................................................................................................6
.......................................................................................................................9
) P
......................................................................................................................2
.....................................................................................................................2
I
INS
DENTIFICATION
............................................................................................................15
Table of Contents
............................................................................................................6
........................................................................................4
iii
Track ID: JATR-1076-21
Datasheet
ALC861
Rev. 1.3