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PDF YSS902 Data sheet ( Hoja de datos )
| Número de pieza | YSS902 | |
| Descripción | Dolby Digital (AC-3) / Pro Logic decoder + Sub DSP | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de YSS902 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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YSS902
AC3D
Dolby Digital (AC-3) / Pro Logic decoder + Sub DSP
INTRODUCTION
The YSS902 is one chip LSI consisting of two built-in DSP’s ; Dolby Digital (AC-3) / Pro Logic (Main DSP) and a
sound processing DSP (Sub DSP). Sub DSP is capable of realizing various sound fields, such as virtual surround, by
down-loading the program and coefficient.
FEATURERS
Dolby Digital 5.1 channel full decode.
24 bit DSP. (Group-A Dolby Digital decoder)
No external memory is required. (Memory for center and surround channel delay is included)
Possible to decode multi-language encoded data. (possible to decode based on data-stream-number)
AC-3 karaoke mode.
Original compression mode as well as four compression modes recommended by Dolby.
Dolby Digital decoding latency is fixed to two audio blocks (512 samples).
Included de-emphasis filter.
Pro Logic decoding for Dolby Digital 2 channels decoded signal as well as ordinary PCM.
High performance 25 MIPS programmable DSP suitable for a variety of sound field processing such as original
surround, filtering, virtual surround etc.
Up to 1.36 second delay time is capable when used with an external 1Mbit SRAM. (at fs= 48 kHz)
Reads Dolby Digital decode information through the microprocessor interface.
Provide total sixteen I/O ports.
Possible to connect most of SPDIF receivers, A/D and D/A converters, by setting I/O data interface format.
Has a built-in PLL oscillation circuit to generates its own operating clock.
Internal operating clock is 25MHz.
Supply Voltage: 3.3v for core logic. 5v for I/Os.
Power saving mode.
Si-gate CMOS process.
100 QFP.(YSS902-F)
Note: "AC-3" and "Pro Logic" are registered trademarks of Dolby Laboratories Licensing Corporation.
Use of this LSI must be licensed by Dolby Laboratories Licensing Corporation.
YAMAHA CORPORATION
YSS902CATALOG
CATALOG No.:LSI-4SS902A3
1998. 7
1 page  
YSS902
BLOCK DIAGRAM
/CSB
SCK
SI
OPORT0 - 7
SCK
SI
SO
/CS
IPORT0 - 7
SDOB Interface
24 * 16
Sub DSP
SDIB Interface
SDIBSEL
SDOA Interface
24 * 24
Main DSP
AC-3/Pro Logic
decoder
Input Buffer
SDIA Interface
SDIASEL
OVFB
RAMA0 - 16
RAMOEN
RAMWEN
RAMCEN
RAMD0 - 7
SDIB2
SDIB1
SDIB0
SDOA2
SDOA1
SDOA0
CRC
CPO
XO
XI
5
5 Page 
YSS902
EXTERNAL DIMENSIONS
80
81
24.80 0.40
20.00 0.30
C-PK100FP-1
51
50
0.15 0.05
(LEAD THICKNESS)
100
1
P-0.65TYP
31
30
0.30 0.10
(2.40)
0-15
1.20 0.20
The figure in the parenthesis ( )
should be used as a reference.
Plastic body dimensions do not
include burr of resin.
UNIT: mm
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet YSS902.PDF ] | |
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