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STAC9752A Datasheet(PDF) 91 Page - Integrated Device Technology

Part # STAC9752A
Description  AC??7 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PDF  106 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9752A Datasheet(HTML) 91 Page - Integrated Device Technology

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STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
IDT™
91
STAC9752A/9753A
V 1.5 1206
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
11.2. Pinout List 48-pin LQFP Package
Pin 48: To Disable SPDIF, use an 1K
Ω -10KΩ external pullup resistor.
** The CD_GND signal is an AC signal return for the two CD input channels. It is normally biased at
about 2.5V. The name of the pin in the AC’97 specification is CD_GND, and this has confused many
designers. It should not have any DC path to GND. Connecting the CD_GND signal directly to
ground will change the internal bias of the entire CODEC, and cause significant distortion. If there is
no analog CD input, then this pin can be No-Connect.
Table 33. STAC9752A/9753A 48 Pin LQFP Pin List
Pin#
PIN Name
Pin#
Pin Name
1
DVDD
25
AVDD1
2
XTAL_IN
26
AVSS1
3
XTAL_OUT
27
VREF IN
4
DVSS1
28
VREF_OUT
5
SDATA_OUT
29
AFILT1
6
BIT_CLK
30
AFILT2
7
DVSS2
31
N.C.
8
SDATA_IN
32
CAP2
9
DVDD
33
N.C.
10
SYNC
34
N.C.
11
RESET#
35
Line_Out_L
12
PC_BEEP
36
Line_Out_R
13
PHONE
37
MONO
14
AUX_L
38
AVDD2
15
AUX_R
39
HP_L
16
VIDEO_L
40
No Connect
17
VIDEO_R
41
HP_R
18
CD L
42
AVSS3
19
CD GND **
43
GPIO0
20
CD R
44
GPIO1
21
MIC_L
45
CID0
22
MIC_R
46
CID1
23
LINE_IN_L
47
EAPD / GPIO
24
LINE_IN_R
48
S/PDIF-OUT



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