92HD87B2X5NDGXTBX IDT, Integrated Device Technology Inc, 92HD87B2X5NDGXTBX Datasheet - Page 67

• Manufacturer Part Number: 92HD87B2X5NDGXTBX
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 92HD87B2X5NDGXTBX

• Lead Free Status / RoHS Status: Compliant

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
Rate
Field Name
Rsvd
SDMSettleDisable
SDMCoeffSel
SDMLFHalf
SDMLFDisable
Reg
Get
Set
8.3.21. AFG (NID = 01h): DACMode
Byte 4 (Bits 31:24)
CONFIDENTIAL
Bits
1:0
Selects the DMic clock rate:
0h = 4.704MHz
1h = 3.528MHz
2h = 2.352MHz
3h = 1.176MHz.
Bits
31:8
Reserved.
7
SDM wait-to-settle disable:
1 = at mute, the SDM switches to the mute pattern immediately
0 = at mute, the SDM switches to the mute pattern after settling (can take up to
~45ms)
6
DAC SDM coefficient select (stages 1, 2, 3):
1 = 1/16, 1/2, 1/4
0 = 1/16, 1/4, 1/2
5
DAC SDM local feedback coefficient select: 1 = 1/4096, 0 = 1/2048.
4
DAC SDM local feedback disable: 1 = local feedback disabled, 0 = local feed-
back enabled.
Byte 3 (Bits 23:16)
R/W
RW
R/W
R
RW
RW
RW
RW
F8000h
Default
2h
Default
000000h
0h
0h
0h
0h
67
Byte 2 (Bits 15:8)
Reset
POR
Reset
N/A (Hard-coded)
POR - S&DAFG - LR
POR - S&DAFG - LR
POR - S&DAFG - LR
POR - S&DAFG - LR
92HD87
Byte 1 (Bits 7:0)
780h
PC AUDIO
V 0.95 10/10