92HD87 Datasheet, PDF (66/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
BTLSDMode
BTLSD
Rsvd1
PinMode
Bits
R/W
Default
Reset
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 and external sig-
nal)
01b = CMOS Output (Value of EAPD bit is forced at pin)
1xb = CMOS Input (External signal controls internal amps, EAPD bit ignored)
8.3.24. 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
PortF
Bits
R/W
Default
Reset
31:7
R
0000000h
N/A (Hard-coded)
Reserved.
6
RW
1h
POR
Mono usage: 0 = connected as an output, 1 = either not connected or connect-
ed as an input.
5
RW
1h
POR
Port F usage: 0 = connected as an output, 1 = either not connected or connect-
ed as an input.
IDT CONFIDENTIAL
66
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87