STAC9250 Datasheet, PDF (28/137 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 19. AFG FrmtCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[6]
R7
R
0x1
48.0 KHz rate supported (REQUIRED)
[5]
R6
R
0x1
44.1 KHz rate supported
[4]
R5
R
0x0
32.0 KHz rate (2/3*48 KHz) NOT supported
[3]
R4
R
0x0
22.05 KHz rate (1/2*44.1 KHz) NOT supported
[2]
R3
R
0x0
16.0 KHz rate (1/3*48 KHz) NOT supported
[1]
R2
R
0x0
11.025 KHz rate (1/4*44.0 KHz) NOT supported
[0]
R1
R
0x0
8.0 KHz rate (1/6*48 KHz) NOT supported
5.5.6. AFG StreamCap
Get
Table 20. AFG StreamCap Command Verb Format
Verb ID
Payload
F00
0B
Response
See bitfield table
Bit
[31:3]
[2]
[1]
[0]
Table 21. AFG StreamCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
NonPCM
R
0x0
No support for non-PCM (AC3) data.
Float32
R
0x0
No support for single-precision floating-point
data.
PCM
R
0x1
PCM-formatted data supported.
5.5.7. AFG PwrCap
Get
Table 22. AFG PwrCap Command Verb Format
Verb ID
Payload
F00
0F
Response
See bitfield table
IDT™
28
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706