92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 276

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
EapdCap
VrefCntrl
Rsvd1
BalancedIO
InCap
OutCap
HdphDrvCap
PresDtctCap
TrigRqd
ImpSenseCap
Bits
16
EAPD support: 1 = yes, 0 = no.
15:8
Vref support:
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)
7
Reserved.
6
Balanced I/O support: 1 = yes, 0 = no.
5
Input support: 1 = yes, 0 = no.
4
Output support: 1 = yes, 0 = no.
3
Headphone amp present: 1 = yes, 0 = no.
2
Presence detection support: 1 = yes, 0 = no.
1
Trigger required for impedance sense: 1 = yes, 0 = no.
0
Impedance sense support: 1 = yes, 0 = no.
bit 7 = Reserved
bit 6 = Reserved
R/W
R
R
R
R
R
R
R
R
R
R
Default
0h
00h
0h
0h
1h
1h
0h
1h
0h
0h
276
Reset
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
92HD81
PC AUDIO
V 0.97 01/09