92hd98 Integrated Device Technology, 92hd98 Datasheet - Page 251

• Manufacturer Part Number: 92hd98
• Description: Datasheet
• Manufacturer: Integrated Device Technology

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
Field Name
Set
Field Name
Rsvd
Divider
Field Name
Rsvd
Divider
Reg
Reg
Get
Get
Set
Set
7.28.4. DigBeep (NID = 21h): Gen
7.28.5. DigBeep (NID = 21h): Gain
Byte 4 (Bits 31:24)
Byte 4 (Bits 31:24)
Bits
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).
Bits
31:3
Reserved.
2:0
Digital PC Beep Gain adjust in digital side 0h = -9dB, 1h = -6dB, 2h = -3dB, 3h
= 0dB, 4h = +3db, 5h = +6db
Byte 3 (Bits 23:16)
Byte 3 (Bits 23:16)
R/W
RW
R/W
R
RW
R/W
R
RW
F0A00h
F7A00h
Default
0h
Default
000000h
00h
Default
000000h
05h
251
Byte 2 (Bits 15:8)
Byte 2 (Bits 15:8)
Reset
POR - DAFG - LR
Reset
N/A (Hard-coded)
POR - DAFG - LR
Reset
N/A (Hard-coded)
POR - DAFG - LR
Byte 1 (Bits 7:0)
Byte 1 (Bits 7:0)
70Ah
77Ah
V 0.91 10/10
92HD98