92hd87b4x5ndg Integrated Device Technology, 92hd87b4x5ndg Datasheet - Page 210

• Manufacturer Part Number: 92hd87b4x5ndg
• Description: Single Chip Pc Audio System Codec+stereo Speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

IDT PROPRIETARY / IDT
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
Rsvd2
Act
Rsvd1
Set
Field Name
Rsvd
Divider
Reg
Get
Set
8.29.4. DigBeep (NID = 21h): Gen
Byte 4 (Bits 31:24)
CONFIDENTIAL
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
210
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
92HD87
Byte 1 (Bits 7:0)
70Ah
PC AUDIO
V 0.95 10/10