92hd89c Integrated Device Technology, 92hd89c Datasheet - Page 268

• Manufacturer Part Number: 92hd89c
• Description: Six Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

92HD89C
Six channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
IDT™ CONFIDENTIAL
Field Name
Rsvd2
Act
Rsvd1
Set
Field Name
Rsvd
Divider
Reg
Get
Set
7.32.4. DigBeep (NID = 1Ch): Gen
Byte 4 (Bits 31:24)
Bits
7:6
Reserved.
5:4
Actual power state of this widget.
3:2
Reserved.
1:0
Current power state setting for this widget.
Bits
31:8
Reserved.
7:0
Enable internal PC-Beep generation. Divider == 00h disables internal PC Beep
generation and enables normal operation of the codec. Divider != 00h gener-
ates the beep tone on all Pin Complexes that are currently configured as out-
puts. The HD Audio spec states that the beep tone frequency = (48kHz HD
Audio SYNC rate) / (4*Divider), producing tones from 47 Hz to 12 kHz (logarith-
mic scale).
Byte 3 (Bits 23:16)
R/W
R
R
R
RW
R/W
R
RW
F0A00h
Default
0h
3h
0h
0h
Default
000000h
00h
268
Byte 2 (Bits 15:8)
Reset
N/A (Hard-coded)
POR - DAFG - LR
N/A (Hard-coded)
POR - DAFG - LR
Reset
N/A (Hard-coded)
POR - DAFG - LR
Byte 1 (Bits 7:0)
70Ah
V 0.91 08/09
92HD89C