92HD91 Datasheet, PDF (92/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
Rsvd3
HPASDInv
HPASDMode
HPASD
Rsvd2
BTLSDInv
BTLSDMode
BTLSD
Rsvd1
PinMode
Bits
R/W
Default
Reset
11
R
0h
N/A (Hard-coded)
Reserved.
10
RW
0h
POR
Port A HP 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
9
RW
1h
POR
Port A HP Amp Shutdown Mode:
0 = Amp will mute when disabled
1 = Amp will enter a low power state when disabled
8
RW
0h
POR
Port A HP Amp Shutdown Control Select:
0 = Amp controlled by EAPD pin only
1 = Amp controlled by power state only
7
R
0h
N/A (Hard-coded)
Reserved.
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
1h
POR
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 & external signal)
01b = CMOS Output (Value of EAPD bit is forced at pin)
1xb = CMOS Input (External signal controls internal amps, EAPD bit ignored)
IDT CONFIDENTIAL
92
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.2 1/12
92HD91