alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 3
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alc885-gr
Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC885-GR.pdf
(98 pages)
1.
2.
3.
4.
5.
6.
7.
8.
7.1+2 Channel High-Performance HDA Codec
With Content Protection
2.1.
2.2.
4.1.
5.1.
6.1.
6.2.
6.3.
6.4.
7.1.
7.2.
7.3.
7.4.
7.5.
8.1.
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.
7.4.1.
7.4.2.
8.1.1.
8.1.2.
8.1.3.
8.1.4.
General Description .................................................................................................... 1
Features ........................................................................................................................ 2
System Applications .................................................................................................... 3
Block Diagram ............................................................................................................. 4
Pin Assignments........................................................................................................... 6
Pin Descriptions........................................................................................................... 7
High Definition Audio Link Protocol ........................................................................ 9
Supported Verbs and Parameters............................................................................ 26
H
S
A
G
D
A
F
P
L
F
R
V
P
V
OFTWARE
ILTER
OWER
RAME
OWER
INK
ESET AND
ARDWARE
NALOG
REEN
IGITAL
NALOG
ERB AND
ERB
Signal Definitions .................................................................................................................................................10
Signaling Topology ............................................................................................................................................... 11
Outbound Frame – Single SDO............................................................................................................................12
Outbound Frame – Multiple SDOs.......................................................................................................................13
Inbound Frame – Single SDI ................................................................................................................................14
Inbound Frame – Multiple SDIs...........................................................................................................................15
Variable Sample Rates..........................................................................................................................................15
Link Reset .............................................................................................................................................................18
Codec Reset ..........................................................................................................................................................19
Codec Initialization Sequence ..............................................................................................................................20
Command Verb Format ........................................................................................................................................21
Response Format..................................................................................................................................................24
Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h).............................................................................26
Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h) ..........................................................................26
Parameter – Subordinate Node Count (Verb ID=F00h, Parameter ID=04h)......................................................27
Parameter – Function Group Type (Verb ID=F00h, Parameter ID=05h) ...........................................................27
S
– G
IGNALS
/R
/G
P
C
M
ACKAGE AND
I/O P
I
I/O P
OMPOSITION
EFERENCE
ROUND
ET
ANAGEMENT
NPUT
R
F
I
F
NITIALIZATION
ESPONSE
P
EATURES
EATURES
ARAMETERS
INS
INS
..................................................................................................................................9
/O
..............................................................................................................................8
UTPUT
.............................................................................................................................7
.............................................................................................................................7
/NC ...................................................................................................................8
.....................................................................................................................12
F
......................................................................................................................3
V
.....................................................................................................................2
...................................................................................................................24
ORMAT
ERSION
U
NIT
(V
............................................................................................................18
Table of Contents
ERB
.........................................................................................................5
.......................................................................................................21
I
DENTIFICATION
ID=F00
H
) .................................................................................26
iii
............................................................................6
ALC885 Series
Datasheet
Rev. 1.1