STAC9758 Datasheet, PDF (110/119 Pages) Integrated Device Technology – HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS

STAC9758/9759
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
12.PIN DESCRIPTION
PC AUDIO
MONO 37
AVdd2 38
SURR_L* 39
AVss3 40
SURR_R* 41
AVss2 42
CTR* 43
LFE* 44
GPIO3 45
CID1 46
EAPD/SPDIFI 47
SPDIFO/ADAT 48
48-Pin TQFP
24 LINE_IN_R*
23 LINE_IN_L*
22 MIC1_R*
21 MIC1_L*
20 CD_R
19 CD_GND
18 CD_L
17 MIC2_R
16 MIC2_L
15 AUX_R
14 AUX_L
13 PHONE
Figure 22. Pin Description Drawing
Note: For use of pins 16/17 for Video, see section 8.2.11.1: page60.
Note: If pin 48 is held high at powerup, register 28h (Extended Audio ID), bit [2] will be held to zero, to
indicate the SPDIF is not available. Tie pin 48 to ground with a 10 KΩ resistor to ensure SPDIF is
enabled.
12.1. Digital I/O
These signals connect the STAC9758/9759 to its AC'97 controller counterpart, an external crystal,
multi-CODEC selection and external audio amplifier.
Pin Name
XTL_IN
Table 28. Digital Connection Signals
Pin # Typ
e
Description
2
I 24.576 MHz Crystal or External Clock Source
IDT™
110
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
STAC9758/9759
V 1.2 1206