alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 3

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

1.
2.
3.
4.
5.
6.
7.
8.
4 Channel High Definition Audio Codec
2.1.
2.2.
5.1.
6.1.
6.2.
6.3.
6.4.
7.1.
7.2.
7.3.
7.4.
7.5.
8.1.
GENERAL DESCRIPTION ..............................................................................................................................................1
FEATURES .........................................................................................................................................................................2
SYSTEM APPLICATIONS...............................................................................................................................................4
BLOCK DIAGRAM ...........................................................................................................................................................5
PIN ASSIGNMENTS .........................................................................................................................................................6
PIN DESCRIPTIONS.........................................................................................................................................................7
HIGH DEFINITION AUDIO LINK PROTOCOL .........................................................................................................9
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.
7.4.3.
SUPPORTED VERBS AND PARAMETERS................................................................................................................26
8.1.1.
8.1.2.
8.1.3.
8.1.4.
8.1.5.
8.1.6.
8.1.7.
8.1.8.
8.1.9.
8.1.10.
H
S
P
D
A
F
P
L
F
R
V
P
V
OFTWARE
ACKAGE AND
ILTER
OWER
RAME
OWER
INK
ESET AND
ARDWARE
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........................................................................................................................................20
Response Format..................................................................................................................................................23
Double Function Reset .........................................................................................................................................23
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
Parameter– Audio Function Capabilities (Verb ID=F00h, Parameter ID=08h) ................................................27
Parameter – Audio Widget Capabilities (Verb ID=F00h, Parameter ID=09h) ..................................................28
Parameter – Supported PCM Size, Rates (Verb ID=F00h, Parameter ID=0Ah) ................................................29
Parameter – Supported Stream Formats (Verb ID=F00h, Parameter ID=0Bh) .................................................30
Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) ..................................................................30
S
Parameter– Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh) .........................31
– G
/R
IGNALS
/G
C
M
I/O P
I/O P
OMPOSITION
EFERENCE
ROUND
ET
ANAGEMENT
R
F
I
F
NITIALIZATION
ESPONSE
P
EATURES
EATURES
ARAMETERS
INS
INS
..............................................................................................................................................................9
V
ERSION
..........................................................................................................................................................8
.........................................................................................................................................................7
........................................................................................................................................................7
/N
F
OT
..................................................................................................................................................3
................................................................................................................................................12
...............................................................................................................................................24
ORMAT
................................................................................................................................................2
I
C
DENTIFICATION
(V
ONNECT
.......................................................................................................................................18
ERB
..................................................................................................................................20
Table of Contents
ID=F00
.............................................................................................................................8
....................................................................................................................6
H
).............................................................................................................26
iii
Track ID: JATR-1076-21
Datasheet
ALC272
Rev. 1.0