92hd87b4x5ndg Integrated Device Technology, 92hd87b4x5ndg Datasheet - Page 68

• 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
InvertValid
InvertData
Atten6dBDisable
Fade
Field Name
Rsvd2
InvertValid
InvertData
Rsvd1
Reg
Get
Set
8.3.22. AFG (NID = 01h): ADCMode
Byte 4 (Bits 31:24)
CONFIDENTIAL
Bits
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.
3
ADC Valid Invert: 1 = 14.112MHz valid strobe is inverted, 0 = 14.112MHz valid
strobe is not inverted.
2
ADC Data Invert: 1 = 1-bit inputs are inverted, 0 = 1-bit inputs are not inverted.
1:0
Reserved.
Byte 3 (Bits 23:16)
R/W
RW
RW
RW
RW
R/W
R
RW
RW
R
F8400h
Default
0h
0h
0h
1h
Default
0000000h
0h
0h
0h
68
Byte 2 (Bits 15:8)
Reset
POR - S&DAFG - LR
POR - S&DAFG - LR
POR - S&DAFG - LR
POR - S&DAFG - LR
Reset
N/A (Hard-coded)
POR - S&DAFG - LR
POR - S&DAFG - LR
N/A (Hard-coded)
92HD87
Byte 1 (Bits 7:0)
784h
PC AUDIO
V 0.95 10/10