92HD202 Datasheet, PDF (22/168 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
4.2. 92HD202 Typical Connection Diagram for 48-pin LQFP
Figure 2. Typical Connection Diagram for 48-pin LQFP 92HD202
5V ± 5%
3.3V± 5%
0.1 µF
1 µF
1 µF
0.1 µF
38
AVdd2
2
Volume Up
3
Volume Down
EMI
Filter
22 Ω
27 pF
TUNE TO LAYOUT
LINK PINS
5
SDATA_OUT
6
BIT_CLK
8
SDATA_IN
10
SYNC
11
RESET#
33
1 µF
CAP2
1 µF
27 Vref Filt
FILTER PINS
820 pF
31
AFILT2
30 _AFilt1
820 pF
12
PC Beep
14 _{Port E_L}
15
Port E_R
STANDARD
ANALOG I/O
N.C. = No Connect
18
CD_L
19 _{CD_G}
20 _{CD_R}
AVss1
26
25
AVdd1
1
DVdd
9
DVdd
SENSE_A
13
34
Sense B
Sense Pins
N.C. ⁴⁰
N.C. ⁴³
GPIO/LR_CLK ⁴⁴
GPIO/SDATA ⁴⁵
GPIO/SCLK ⁴⁶
SPDIF_IN/EAPD ⁴⁷
STAC9220/9223
SPDIF_OUT ⁴⁸
Vref OutD ³²
STAC9220
(5V Analog)
in 48-pin LQFP
Vref OutB 28
Vref OutA 37
1 µF
1 µF
29
Vref OutC
1 µF
SPDIF I/O
GPIO PINS
1 µF
0.1 µF
*OPTIONAL
0.1 µF
*O P T IO N A L
0.1 µF
*OPTIONAL
Mic Bias
0.1 µF
*OPTIONAL
AVss2 _DVss
42 4
DVss2
7
Port B_L 21
22
Port B_R
23
Port C_L
Port C_R 24
Port D_L 35
36
Port D_R
Port F_L ¹⁶
Port F_R ¹⁷
Port A_L ³⁹
41
Port A_R
UNIVERSAL
JACKS^TM
PINS
*Terminate ground
plane as close to codec
as possible
Analog
Ground
Digital
Ground
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
22
IDT CONFIDENTIAL
92HD202
REV 1.2 112006