92HD99B Datasheet, PDF (70/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
SDMCoeffSel
SDMLFHalf
SDMLFDisable
InvertValid
InvertData
Atten6dBDisable
Fade
Bits
R/W
Default
Reset
6
RW
0h
POR
DAC SDM coefficient select (stages 1, 2, 3):
1 = 1/16, 1/2, 1/4
0 = 1/16, 1/4, 1/2
5
RW
0h
POR
DAC SDM local feedback coefficient select: 1 = 1/4096, 0 = 1/2048.
4
RW
0h
POR
DAC SDM local feedback disable: 1 = local feedback disabled, 0 = local feed-
back enabled.
3
RW
0h
POR
DAC Valid Invert: 1 = 7.056MHz valid strobe is inverted, 0 = 7.056MHz valid
strobe is not inverted.
2
RW
0h
POR
DAC Data Invert: 1 = 1-bit outputs are inverted, 0 = 1-bit outputs are not invert-
ed.
1
RW
1h
POR
Disable built-in -6dB digital attenuation: 1 = -6dB disabled, 0 = -6dB enabled.
0
RW
1h
POR
DAC Gain Fade Enable:
1 = gain will be slowly faded from old value to new value (~10ms)
0 = gain will jump immediately to new value.
7.4.22. AFG (NID = 01h): ADCMode
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F8400h
Byte 1 (Bits 7:0)
784h
Field Name
Rsvd2
Bits
R/W
31:4
R
Reserved.
Default
0000000h
Reset
N/A (Hard-coded)
IDT CONFIDENTIAL
70
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V1.2 1/12
92HD99