92HD202 Datasheet, PDF (163/168 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Pin Name
VREFOUT-D
CAP2
Sense B
PORT-D_L (HP*)
PORT-D_R (HP*)
VREFOUT-A
AVDD2
PORT-A_L (HP*)
NC
PORT-A_R (HP*)
AVSS3
NC
GPIO2 / LR_CLK
GPIO0 / SDATA
GPIO1 / SCLK
GPIO3 /
SPDIFIN / EAPD
SPDIF-OUT
Pin Function
Reference Voltage out drive
(intended for mic bias) for Port D
ADC reference Cap
Jack Insertion Detection Port E, F, G, H
Input/Output of Left DAC0
Input/Output of Right DAC0
Reference Voltage Out drive
(intended for microphone bias) for Port A
Analog Vdd = 5.0 V
Input/Output of Left DAC0
No Connect
Input/Output of Right DAC0
Analog Ground
No Connect
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
OR
LR_CLK
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
OR
SDATA
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
OR
SCLK
General Purpose I/O
OR
SPDIF Input
OR
EAPD
SPDIF digital output/
I/O
Internal Pull-up Pin
/Pull-down Location
O(Analog)
None
32
O(Analog)
None
33
I(Analog)
None
34
I/O(Analog)
None
35
I/O(Analog)
None
36
O(Analog)
None
37
I(Analog)
None
38
I/O(Analog)
None
39
N/C
None
40
I/O(Analog)
None
41
I(Analog)
None
42
O(Digital)
None
43
I/O(Digital)
Pull-up 50 KΩ
or more
44
I/O(Digital)
Pull-up 50 KΩ
or more
45
I/O(Digital)
Pull-up 50 KΩ
or more
46
I/O(Digital)
Pull-up 50 KΩ
or more
47
O(Digital)
None
48
*Port F (pins 16 & 17) can drive 32 ohm headphones, but is designed to provide less power than the
headphone amplifiers on ports A (pins 39 & 41) and D (pins 35 & 36).
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
163
IDT CONFIDENTIAL
92HD202
REV 1.2 112006