stac9272 Integrated Device Technology, stac9272 Datasheet - Page 53

• Manufacturer Part Number: stac9272
• Description: 10-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

IDT™
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.25. AFG DMic
[31.:4]
[3.:2]
[1.:0]
Bit
Bit
[2]
[1]
[0]
Set1
Get
Bitfield Name
Bitfield Name
PhAdj
Rsvd
OD2
OD1
OD0
Rate
Table 61. AFG GPIODrive
Table 63. AFG DMic
Table 62. AFG DMic
IDT CONFIDENTIAL
Verb ID
FF0
7F0
RW
RW
RW
RW
RW
RW
RW
53
R
Command Response Format
See bits [7:0] of bitfield table.
Reset
Reset
Command Response Format
Command Verb Format
0x0
0x0
0x0
0x0
0x0
0x2
Payload
GPIO2 Drive Mode;
0= push-pull (drive 0 and 1),
1= open drain (drive 0, float for 1).
GPIO1 Drive Mode;
0= push-pull (drive 0 and 1),
1= open drain (drive 0, float for 1).
GPIO0 Drive Mode;
0= push-pull (drive 0 and 1),
1= open drain (drive 0, float for 1).
Reserved
Selects what phase of the DigMic clock the
data should be latched:
0= rising edge,
1= center of high,
2= falling edge,
3= center of low.
Selects the DigMic rate:
0= 4.704 MHz,
1= 3.528 MHz,
2= 2.352 MHz,
3= 1.176 MHz.
00
STAC9271/9272/9273/9274 V 1.0 MARCH2007
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO