92HD71B7 Datasheet, PDF (140/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
8.18.2.1. DMic1 PinCap
Bit
Bitfield Name
[31.:17] Rsvd2
[16]
EapdCap
[15.:8]
VRefCntrl
[7]
Rsvd1
[6]
BalancedIO
[5]
InCap
[4]
OutCap
[3]
HPhnDrvCap
[2]
PresDtctCap
[1]
TrigRqd
[0]
ImpSenseCap
RW
R
R
R
Reset
0000
0
00
R
0
R
0
R
1
R
0
R
0
R
0
R
0
R
0
Description
Reserved.
EAPD support: 1 = yes 0 = no.
Vref support: bit 7 = Reserved; bit 6 =
Reserved; bit 5 = 100% support (1 = yes
0 = no); bit 4 = 80% support (1 = yes 0
= no); bit 3 = Reserved; bit 2 = GND sup-
port (1 = yes 0 = no); bit 1 = 50% sup-
port (1 = yes 0 = no); bit 0 = Hi-Z
support (1 = yes 0 = no)
Reserved.
Balanced I/O support: 1 = yes 0 = no.
Input support: 1 = yes 0 = no.
Output support: 1 = yes 0 = no.
Headphone amp present: 1 = yes 0 =
no.
Presence detection support: 1 = yes 0 =
no.
Trigger required for impedance sense: 1
= yes 0 = no.
Impedance sense support: 1 = yes 0 =
no.
8.18.3. DMic1 PinWCntrl
Get
Verb ID
F07
Payload
00
Response
See bitfield table.
IDT™ CONFIDENTIAL AND PROPRIETARY
140
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07