92hd202 Integrated Device Technology, 92hd202 Datasheet - Page 21

• Manufacturer Part Number: 92hd202
• Description: Eight Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

4. BLOCK AND FUNCTIONAL DIAGRAMS
IDT™
Note: * All measurements
Note: If the mixer is turned
92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
on THD is no better than
4.1.
70dB to Ports A/D
are 1% THD.
8-CHANNEL HIGH DEFINITION AUDIO CODEC
Stream &
Stream &
Stream &
Stream &
Stream &
Stream&
Channel
Channel
Stream &
Channel
Channel
Channel
Channel
Stream &
Channel
Channel
Select
Select
Select
Select
Select
Select
Select
Select
92HD202 FUNCTIONAL BLOCK DIAGRAM
PCM ADC
ADC PCM
Receiver
SPDIF
PCM
Pin 2: Volume Up
Pin 3: Volume Down
Pin 5: SDATA_Out
Pin 6: BIT_CLK
Pin 8: SDATA_In
Pin 10: SYNC
Pin 11: Reset #
Pin 12: Analog PC Beep
Pin 13: Sense A
Pin 27: VREF FILT
Pin 28: VREF_OutB
Pin 29: VREF_OutC
Pin 30: AFILT1
Pin 31: AFILT2
Pin 32: VREF_OutD
Pin 33: CAP2
Pin:34 Sense B
Pin 43: N.C.
Pin44: GPIO2
Pin 45: GPIO0
Pin 46: GPIO1
Pin 47: GPIO3
vol
vol
vol
Digital
Digital
Mute
Mute
Digital
Mute
vol
SPDIF IN
Digital
Mute
Pin 47
Digital PC Beep
Digital PC Beep
Digital PC Beep
Analog PC Beep
DAC
DAC
DAC
DAC
PCM to
SPDIF
0
1
2
3
Pin 12
OUT
Figure 1. Functional Block Diagram - 92HD202
X
X
X
X
SPDIF
Digital PC Beep
Pin 48
Pins 18/19/20
CD
IDT CONFIDENTIAL
Strong Line
HP
HP
D2S
Out
STAC9220
21
Mic Pass Forward
CD
CD
E
F
B
C
D
A
E
F
B
C
D
A
92HD202
PORT A
Pin Complex
Pins 39/41
PORT D
Pin Complex
Pins 35/36
PORT C
Pin Complex
Pins 23/24
PORT B
Pin Complex
Pins 21/22
PORT F
Pin Complex
Pins 16/17
PORT E
Pin Complex
Pins 14/15
+0/+10/+20/
+30/+40 dB
+0/+10/+20/
+30/+40 dB
Boost
Boost
+0 to +22.5 dB
In 1.5 dB steps
+0 to +22.5 dB
In 1.5 dB steps
vol
vol
Gain
Gain
mute
mute
REV 1.2 112006
PC AUDIO
STEREO
STEREO
ADC1
PCM
ADC0
PCM