STAC9250 Datasheet, PDF (23/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
5.4. Root Node (NID = 0x00)
5.4.1. Root PnpID
Get
Table 4. Root PnpID Command Verb Format
Verb ID
Payload
F00
00
Response
See bitfield table
Bit
[31:16]
[15:0]
Table 5. Root PnpID Command Response Format
Bitfield Name
RW
Reset
Description
Vendor
R
0x8384 Vendor ID = 8384h
Device
Device ID for:
STAC9250 = 7634
R
0x7630 STAC9250 Dolby = 7635
STAC9251 = 7636
STAC9251 Dolby = 7637
5.4.2. Root RevID
Get
Table 6. Root RevID Command Verb Format
Verb ID
Payload
F00
02
Response
See bitfield table
Bit
[31:24]
[23:20]
[19:16]
[15:8]
[7:0]
Table 7. 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
Vendor
R
0x01
Vendor rev number for this device ID
Stepping
R
0x01
Vendor stepping number within the given
Vendor RevID
IDT™
23
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706