92HD81 Datasheet, PDF (73/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
BTLSDInv
BTLSDMode
BTLSD
Rsvd1
PinMode
Bits
R/W
Default
Reset
6
RW
0h
POR
BTL Amp Shutdown Invert:
0 = Amp will power down (or mute) when EAPD pin is low
1 = Amp will power down (or mute) when EAPD pin is high
5
RW
0h (YC/YD)
POR
1h (UA/TA/RA)
BTL Amp Shutdown Mode:
0 = Amp will mute when disabled
1 = Amp will enter a low power state when disabled
4
RW
0h
POR
BTL Amp Shutdown Control Select:
0 = Amp controlled by EAPD pin only
1 = Amp controlled by power state only
3:2
R
0h
N/A (Hard-coded)
Reserved.
1:0
RW
0h
POR
EAPD Pin Mode:
00b = Open Drain I/O (Value at pin is wired-AND of EAPD bit and external signal)
01b = CMOS Output (Value of EAPD bit is forced at pin)
1xb = CMOS Input (External signal controls internal amps, EAPD bit ignored)
7.4.24. AFG (NID = 01h): PortUse
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
FC000h
Byte 1 (Bits 7:0)
7C0h
Field Name
Rsvd
Mono
Bits
R/W
Default
Reset
31:7
R
0000000h
N/A (Hard-coded)
Reserved.
6
RW
0h (YC/YD)
POR
1h (UA/TA/RA)
1=power down port if not input or output enabled, 0=do not force power down
based on input or output enable
IDT CONFIDENTIAL
73
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81