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VIA
VIA

VT1616 Datasheet

6-Channel AC97 Codec


VT1616 Datasheet Preview


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VIA
Technologies
Incorporated
VT1616
6-Channel AC97 Codec with S/PDIF
Features
Description
• AC’97 2.2 compliant codec
VIA Technologies’ VT1616TM 20-bit ¦audio
• 20-bit, stereo ADC and 6-channel stereo DACs
codec conforms to the AC’97 2.2 and S/PDIF
• 1 Hz resolution VSR on all channels
• Integrated IEC958 line driver for S/PDIF output
• S/PDIF compressed digital or LPCM audio out
Output specifications. The VT1616 integrates
Sample Rate Converters on all channels and can be
adjusted in 1Hz increments. There is a provision in
hardware for down-mixing the 6 channels into
• Hardware downmix option to 2 channels
stereo when only two end points are available. The
• ADC DC removal for removing recording white noise analog mixer circuitry integrates a stereo
• 4-bit 3D stereo expansion for simulated surround
enhancement to provide a pleasing 3D surround
sound effect for stereo media. This codec is
• 4 stereo, 2 mono analog line-level inputs
designed with aggressive power management to
• Second line-level output with volume control
achieve low power consumption. When used with a
• External Audio Amplifier Control
3.3V analog supply, power consumption is further
• Low Power consumption mode
• Exceeds Microsoft® WHQL logo requirements
• 3.3V digital, 3.3 or 5V analog power supply
reduced. The primary applications for this part are
desktop and portable personal computers
multimedia subsystems. However, it is suitable for
any system requiring 6-channel audio output for
• 48-pin LQFP small footprint package
home theater systems at competitive prices.
PC_BEEP
PHONE
LINE
CD
VIDEO
AUX
MIC1
MIC2
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET#
CENTER
+ LFE
PCM OUT
SRC
DAC
VOL
REAR
SURROUND
PCM OUT
SRC
DAC
VOL MUTE
FRONT PCM OUT
SRC
VOL MUTE
DAC
VOL MUTE
VOL MUTE
VOL MUTE
VOL MUTE
VOL MUTE
M VOL
U
X +20dB
VOL MUTE
AC’97
Digital
Interface
MUTE
M VOLUME
U
X
/MUTE
Σ MASTER
VOLUME
Σ 3D
ΣM
U
X
MONO
VOLUME
Σ
M MASTER
U
INPUT
ADC
X VOLUME
XTL_IN
XTL_OUT
OSC
PCM IN
SRC
Figure 1. Functional Block Diagram
Revision 1.5, October 11, 2002
1
LFE/CENTER
LNL/SR_OUT
LINE_OUT
MONO_OUT
S/PDIF_OUT
Data Sheet
Page 1

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VT1616 6-Channel AC97 Codec with S/PDIF
© VIA Technologies, Inc., 2000, 2001, 2002. All Rights Reserved.
VIA TECHNOLOGIES PRODUCTS ARE NOT AUTHORIZED FOR, AND SHOULD NOT BE USED WITHIN, LIFE
SUPPORT SYSTEMS OR NUCLEAR FACILTY APPLICATIONS WITHOUT THE SPECIFIC WRITTEN CONSENT OF
VIA TECNOLOGIES, Inc. Life support systems are those intended to support or sustain life, and show failure to perform when
used as directed can reasonably expect to result in personal injury or death. Nuclear facilities are those involved in the
production, handling, use, storage, disposal, or any other activity involving fissionable materials or their waste products.
The VIA Technologies logo is a trademark of VIA Technologies, Inc. All other trademarks referenced in this document are
owned by their respective companies.
VIA Technologies, Inc. believes the information contained herein to be correct at the time of the publication. The information is
provided “AS IS” without warranty of any kind (expressed or implied). No responsibility is assumed by VIA Technologies, Inc.
for the use of this information, nor infringements of patents or other rights of third parties. VIA Technologies, Inc. reserves the
right to make changes at any time, without prior notice, to improve and supply the best possible product and is not responsible
and does not assume any liability for misapplication or use outside the limits specified in this document. VIA Technologies
provides no warranty for the use of its products and assumes no liability for errors contained in this document.
Contact Information
US Office
940 Mission Court
Fremont, CA 94539
USA
Tel: (510) 687-4600
Fax: (510) 687-4654
Web: www.viatech.com
Taiwan Office
8th Floor, No. 533
Chung-Cheng Road, Hsien-Tien
Taipei, Taiwan ROC
Tel: 886 (2) 2218-5452
Fax: 886 (2) 2218-5453
Web: www.via.com.tw
Revision 1.5, October 11, 2002
2
Data Sheet
Page 2

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VT1616 6-Channel AC97 Codec with S/PDIF
DVCC1
XTL_IN
XTL_OUT
DGND1
SDATA_OUT
BIT_CLK
DGND2
SDATA_IN
DVCC2
SYNC
RESET#
PC_BEEP
1
2
3
4
5
6
7
8
9
10
11
12
VT1616
36 LINE_OUT_R
35 LINE_OUT_L
34 NC
33 NC
32 CAP2
31 NC
30 AFLT2
29 AFLT1
28 VREF_OUT
27 VREF
26 AGND1
25 AVCC1
Figure 2. Pin Diagram - 48-Pin LQFP
Revision 1.5, October 11, 2002
3
Data Sheet
Page 3
Part Number VT1616
Manufactur VIA
Description 6-Channel AC97 Codec
Total Page 30 Pages
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