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JACKALOPE - CNR/ACR
multi-channel upgrade card
D
REVISION HISTORY:
1) 04/12/01 - Original release.
2) 06/27/01 - Changed C27,C28 from 10 to 220uF;
Changed C22, C24 from 220 to 3.3uF; analog to
digital ground connection on codec page; pull
up/down on SPDIF output; changed +5VD_ACRC
to ACR_5VD (Analog I/O)
D
SCOPE: Jackalope provides an upgrade to 4/6 channels on
CNR or ACR equipped motherboards. Stuffing options allow for
2/4 channel operation for motherboards without onboard audio.
CDROM In
VIDEO In
BLOCK DIAGRAM:
MIC In
C
B
UNIQUE COMPONENTS:
1) STAC9756 Audio Codec with 48-TQFP, 9.0mm tip-to-tip, package.
2) 24.576 MHz crystal in Epson MA-306 package, use dual MA-306/CA-301 layout.
3) LT1121 in SOT-223.
4) CUI SJ-3535 stereo connector.
5) Radial lead capacitors PCB footprints are listed in
PackageDiameter/LeadSpacing/LeadDiameter form.
6) 0.33uF cap, Panasonic F/Y5V 16V 0.85mm tall 805 series, or B/Y5P 16V 0.85mm
tall 1206 series. Substitution of +1uF EIA3216 cap is acceptable.
7) EIA prefix footprint surface mount components (EIA abcd) have dimensions of a.b mm
by c.d mm.
8) SMT prefix footprint surface mount components (SMT wxyz) have dimensions of 0.wx
inches by 0.yz inches.
9) Sharp GP1FE500TK "Optical Mini-Jack" optical connector
AUX In
LINE In
C
Analog In
ACR Connector
Analog Out
AC Link
STAC97XX
REAR Out
CTR/LFE Out
S/PDIF Out
Power
Conditioning:
+5V AVDD
+3.3V DVDD
B
SigmaTel, Inc.
3815 Capital of Texas Hwy.
Suite 300
Austin, TX 78704
tel: (512)381-3700
fax: (512)744-1700
Title
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A
Overview
Size
A
Date:
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4
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STEVB-AC-ACRCNR0601
Monday, July 09, 2001
2
2-9750/66-RD2-1.0-070901
Sheet
1
1
Rev
B
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