STAC9220 Datasheet, PDF (34/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.4. Root Node (NID = 0x00)
6.4.1. Root ID
Get
Table 6. Root ID Command Verb Format
Verb ID
Payload
F00
00
PC AUDIO
Response
See bitfield table
Bit
[31:16]
[15:8]
[7:0]
Table 7. Root ID Command Response Format
Bitfield Name
RW
Reset
Description
Vendor
R
0x8384 Vendor ID: STAC9220/21/23 = 8384h
DeviceFix
Device ID:
STAC9221 = 7682h;
R
0x76
STAC9221-Dolby = 7683h;
STAC9220 = 7880h;
STAC9220/9223-Dolby = 7681h
DeviceProg
Device ID:
STAC9221 = 7682h;
R
0x80
STAC9221-Dolby = 7683h;
STAC9220 = 7880h;
STAC9220/9223-Dolby = 7681h
6.4.2. Root RevID
Get
Table 8. Root RevID Command Verb Format
Verb ID
Payload
F00
02
Response
See bitfield table
Bit
[31:24]
[23:20]
[19:16]
Table 9. Root RevID Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x00
Reserved
Major
R
0x1
Major rev number of compliant HD Audio
specification
Minor
R
0x0
Minor rev number of compliant HD Audio
specification
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
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STAC9220/9221/9223
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