92hd98 Integrated Device Technology, 92hd98 Datasheet - Page 74

• 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
SDMCoeffSel
SDMLFHalf
SDMLFDisable
InvertValid
InvertData
Atten6dBDisable
Fade
Field Name
Rsvd2
Reg
Get
Set
7.4.22. AFG (NID = 01h): ADCMode
Byte 4 (Bits 31:24)
Bits
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.
3
DAC Valid Invert: 1 = 7.056MHz valid strobe is inverted, 0 = 7.056MHz valid
strobe is not inverted.
2
DAC Data Invert: 1 = 1-bit outputs are inverted, 0 = 1-bit outputs are not invert-
ed.
1
Disable built-in -6dB digital attenuation: 1 = -6dB disabled, 0 = -6dB enabled.
0
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.
Bits
31:4
Reserved.
Byte 3 (Bits 23:16)
R/W
RW
RW
RW
RW
RW
RW
RW
R/W
R
F8400h
Default
0h
0h
0h
0h
0h
1h
1h
Default
0000000h
74
Byte 2 (Bits 15:8)
Reset
POR
POR
POR
POR
POR
POR
POR
Reset
N/A (Hard-coded)
Byte 1 (Bits 7:0)
784h
V 0.91 10/10
92HD98