STAC9250 Datasheet, PDF (48/137 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
Table 69. ADC0Cnvtr Stream Command Response Format
Bit
Bitfield Name RW Reset
Description
Software-programmable integer representing link
[7:4]
ID
RW
0x0
stream ID used by the converter widget. By
convention stream 0 is reserved as unused.
[3:0]
Ch
RW
0x0
Integer representing lowest channel used by
converter
5.8. SPDIFinCnvtr Node (NID = 0x04)
5.8.1.
SPDIFinCnvtr Frmt
Table 70. SPDIFinCnvtr Frmt Command Verb Format
Verb ID
Payload
Response
Get
A
0000
See bitfield table
Set1
2
See bits [15:0] of bitfield table
0000_0000h
Bit
[31:16]
[15]
[14]
[13:11]
Table 71. SPDIFinCnvtr Frmt Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
StrmType
N/A.
RW
0x0
(Stream Type
0 = PCM
1 = Non-PCM)
RateBase
Sample Base Rate
RW
0x0
0 = 48 KHz
1 = 44.1 KHz
RateMult
Sample Base Rate Multiple
000 = 48 KHz / 44.1 KHz or less
RW
0x0
001 = x2
010 = Reserved (x3)
011 = x4
100-111 = Reserved
IDT™
48
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706