STAC9752A Datasheet, PDF (94/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
Pin Name
BIT_CLK
SDATA_IN
SYNC
RESET#
GPIO0
GPIO1
CID0
CID1
EAPD/GPIO
SPDIF-OUT
Table 35. STAC9752A/9753A Digital Connection Signals
48 LQFP
Pin #
32 QFN
Pin #
Type
6
3
I/O
8
5
O
10
7
I
11
8
I
43
-
I/O
44
30 I/O
45
-
46
-
47
31 I/O
48
32
O
Description
AC-Link Bit Clock
AC-Link Serial Data input,
(outbound stream)
AC-Link Frame Sync
AC-Link Reset
General Purpose I/O
General Purpose I/O
Chip ID Select0
Chip ID Select1
External Amplifier Power Down
General Purpose I/O
SPDIF digital output
Internal Pull-up
/Pull-down
Pull-down 50K +/- 25%
N/A
N/A
N/A
Pull-up 50K +/- 25%
Pull-up 50K +/- 25%
Pull-up 50K +/- 25%
Pull-up 50K +/- 25%
Pull-down 50K +/- 25%
Pull-down 50K +/- 25%
11.6. STAC9752A/9753A Analog I/O
These signals connect the STAC9752A/9753A to analog sources and sinks, including microphones
and speakers.
Table 36. STAC9752A/9753A Analog Connection Signals
Pin Name
48 LQFP
Pin #
32 QFN
Pin #
Type
Description
PHONE
13
9
I^ Phone Input
AUX_L
14
-
I^ Aux Left Channel
AUX_R
15
-
I^ Aux Right Channel
VIDEO_L
16
-
I^ Video Audio Left Channel
VIDEO_R
17
-
I^ Video Audio Right Channel
CD_L
18
10
I^ CD Audio Left Channel
CD_GND
19
11
I^ CD Audio analog Return (see note 3)
CD_R
20
12
I^ CD Audio Right Channel
MIC1_L*
21
13
I^ Desktop Microphone Input
MIC1_R*
22
14
I^ Second Microphone Input
LINE_IN_L*
23
15
I* Line In Left Channel
LINE_IN_R*
24
16
I* Line In Right Channel
LINE_OUT_L* 35
23
O*
Line Out Left Channel
(with headphone support)
LINE_OUT_R* 36
24
O*
Line Out Right Channel
(with headphone support)
Internal Pull-up
/Pull-down
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
IDT™
94
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206