92HD66C Datasheet, PDF (277/291 Pages) Integrated Device Technology – SIX CHANNEL HD AUDIO CODECS

92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Field Name
Bits
R/W
Default
Reset
VrefCntrl
15:8
RW
0h
N/A (Hard-coded)
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 support (1 = yes, 0 = no)
bit 1 = 50% support (1 = yes, 0 = no)
bit 0 = Hi-Z support (1 = yes, 0 = no)
Rsvd1
7
R
0h
N/A (Hard-coded)
Reserved.
BalancedIO
6
R
0h
N/A (Hard-coded)
Balanced I/O support: 1 = yes, 0 = no
InCap
5
R
1h
N/A (Hard-coded)
Input support: 1 = yes, 0 = no
OutCap
4
R
0h
N/A (Hard-coded)
Output support: 1 = yes, 0 = no.
HdphDrvCap
3
R
0h
N/A (Hard-coded)
Headphone amp present: 1 = yes, 0 = no
PresDtctCap
2
R
1h
N/A (Hard-coded)
Presence detection support: 1 = yes, 0 = no.
TrigRqd
1
R
0h
N/A (Hard-coded)
Trigger required for impedance sense: 1 = yes, 0 = no
ImpSenseCap
0
R
0h
N/A (Hard-coded)
Impedance sense support: 1 = yes, 0 = no
6.34.2. Dig2Pin (NID = 24h): PwrState
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Byte 1 (Bits 7:0)
Set
705h
Get
F0500h
IDT CONFIDENTIAL
272
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92HD66C