92HD81 Datasheet, PDF (79/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
TSTripLowStatus
TSVolStatus
TSMuteStatus
TSPwdStatus
Rsvd2
TSOverrideReset
TSOverrideSel
TSTestMode
TSForcePwd
TSInstantCutMode
Bits
R/W
Default
Reset
29
R
0h
POR
Temp sense low trip point status
28:24
R
00h
POR
Temp sense volume status for the BTL amplifier: 00000b..11111b = Range
specificity for MaxVol field.
23
R
0h
POR
Temp sense forced mute status for the BTL amplifier.
22
R
0h
POR
Temp sense forced powerdown status for the BTL amplifier.
21
R
0h
N/A (Hard-coded)
Reserved.
20
RW
0h
POR
Override reset for the BTL amplifier temperature sensing circuit: set to 1 to re-
calculate, set back to 0 to latch the value.
19
RW
0h
POR
Override select for the BTL amplifier volume. Use MaxVol[4:0] and TSOverri-
deReset directly to drive analog
18
RW
0h
POR
Temp sense test mode select, 0=normal operation, 1=sensor will trip at ambi-
ent temperature.
17
RW
0h (UA)
POR
1h (TA)
Temp sense force powerdown select
0=BTL will not be muted and powered down even if it is still overheating when
the volume is 0h
1=BTL will be muted and powered down even if it is still overheating when the
volume is 0h
16
RW
0h
POR
Temp sense instant cut mode
0=Two trip points used to smoothly adjust the volume
1=One single trip point used to set volume to wither 0 or max value (TI mode)
IDT CONFIDENTIAL
79
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81