STAC9220 Datasheet, PDF (135/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31]
[30:0]
Table 281. DigIn ChSense Command Response Format
Bitfield Name
RW
Reset
Description
PresDtct
1 = Something is plugged into jack associated with
Pin Complex. For this widget, Presence Detect
R
0x0
indicates that the SPDIF-in clock recovery circuit
has locked onto a valid SPDIF-in sampling
frequency. Any change in status will generate an
Unsolicited Response, if enabled with verb 708.
Rsvd
R
0x0
Reserved. Impedance sense not supported for this
Pin Complex.
6.21.7. DigIn EAPD
Get
Set1
Table 282. DigIn EAPD Command Verb Format
Verb ID
Payload
F0C
00
70C
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31:2]
[1]
[0]
Table 283. DigIn EAPD Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Data
EAPD value reflected on the EAPD pin.
0 = power down external amplifier;
1 = power up external amplifier
RW
0x0
if PwrState < 0x2.
If PwrState > = 0x2, Pin47 is Hi-Z.
An external pull-down is required if EAPD must
be low when Pin Widget is powered down.
Rsvd1
R
0x0
Reserved
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
135
STAC9220/9221/9223
V 0.96 102706