92hd89d Integrated Device Technology, 92hd89d Datasheet - Page 77

• Manufacturer Part Number: 92hd89d
• Description: Eight Channel Hd Audio Codec Low Power Optimized For Ecr15b And Eup
• Manufacturer: Integrated Device Technology

92HD89D
Eight channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
Field Name
HPBSDMode
HPBSD
Rsvd2
HPASDInv
HPASDMode
HPASD
Rsvd1
PinMode
Bits
13
HP Amp Shutdown Mode:
1 = Amp will enter a low power state when disabled
12
HP Amp Shutdown Control Select:
0 = Amp controlled by EAPD pin only
1 = Amp controlled by power state only
11
Reserved.
10
HP Amp Shutdown Invert:
1 = Amp will power down (or mute) when EAPD pin is high
9
HP Amp Shutdown Mode:
1 = Amp will enter a low power state when disabled
8
HP Amp Shutdown Control Select:
0 = Amp controlled by EAPD pin only
1 = Amp controlled by power state only
7:2
Reserved.
1:0
EAPD Pin Mode:
nal)
01b = CMOS Output (Value of EAPD bit is forced at pin)
1xb = CMOS Input (External signal controls internal amps, EAPD bit ignored)
0 = Amp will mute when disabled
0 = Amp will power down (or mute) when EAPD pin is low
0 = Amp will mute when disabled
00b = Open Drain I/O (Value at pin is wired-AND of EAPD bit and external sig-
R/W
RW
RW
R
RW
RW
RW
R
RW
Default
0h
0h
0h
0h
0h
0h
0h
0h
77
Reset
POR
POR
N/A (Hard-coded)
POR
POR
POR
N/A (Hard-coded)
POR
V1.0 04/10
92HD89D