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參數(shù)資料
| 型號(hào)： | ZR38650TQC |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PROGRAMMABLE DIGITAL AUDIO PROCESSOR |
| 中文描述： | 可編程數(shù)字音頻處理器 |
| 文件頁(yè)數(shù)： | 1/66頁(yè) |
| 文件大?。?/td> | 441K |
| 代理商： | ZR38650TQC |
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15 February 1999
ZORAN Corporation
■
3112 Scott Blvd.
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Santa Clara, CA 95054
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+1 (408) 919-4111
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FAX +1 (408) 919-4122
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www.zoran.com
DATA SHEET
ZR38650
PROGRAMMABLE DIGITAL AUDIO PROCESSOR
FEATURES
■
Full-Function Digital Audio Processor Hardware
- 50 MIPS performance with multi-operation instructions
- Large internal RAMs/ROM plus low-cost external memory
- Wide selection of on-chip digital audio peripherals
- Flexible interface for host or no-host operation
■
Standard Software Functions in ROM
- Dolby Digital AC-3, 5.1 channel and 2 channel decoding
up to 640 Kbits per second
- Dolby Pro Logic encoding and decoding
- MPEG1 and MPEG2 two channel decoding with MPEG2
PES stream parsing, PTS decoding and SCR handling
■
Downloadable SiliconSoftwareFunctions
- Tomorrow’s ever-changing standards plus today’s:
- Aureal A3D, Dolby Virtual Surround, Harman VMAx
- QSound QSurround, Spatializer N-2-2, Home THX
- SRS TruSurround, Music Modes, Bass Management
■
Flexible Input/Output
- Serial and/or parallel data stream I/O
- Serial SPI, serial Z2C or 8-bit parallel host interface
- 3 serial input data ports and 4 serial data output ports
- Formatted S/PDIF receiver with up to 96 kHz sample rate
- Sample rates: 32 kHz, 44.1 kHz, 48 kHz or 96 kHz
- Formatted S/PDIF AC-3 and MPEG transmitter output
■
Low System Cost
- Host-less operation with no glue chips
- Separate internal PLLs for DSP core and audio I/O
- No external RAM required for 5.1 Dolby AC-3/MPEG2
- Wait-state generation for low-cost external memory
- 144-pin Plastic Thin Quad Flat Pack (TQFP) package
- 3.3 V supply with 5 V compatible I/O for low power
DESCRIPTION
The Zoran ZR38650 is a full-function, high performance pro-
grammable digital audio signal processor. It is today capable of
real-time single-chip decoding of Dolby Digital AC-3 and
MPEG2 digital surround algorithms with its standard ROM and
SiliconSoftwarefunctions. It is also today’s best digital audio
platform for meeting tomorrow’s constantly evolving digital audio
algorithm requirements. Using the proven ZR38000 architec-
ture, it is the fourth generation audio processor made by Zoran.
Because of its programmable high performance and high level of
integration, the ZR38650 is unusually flexible in meeting a wide
range of system requirements at the lowest possible system
cost. At the low end it can provide standard fixed decoding func-
tions with only a DAC and an optical interface for the S/PDIF
input in addition to the oscillator crystal. At the high end it can
provide eight channels of output, analog input, long-delay mem-
ories, custom operating features and the ability to be upgraded
with downloaded SiliconSoftwareproduct enhancements. Yet all
of this flexibility comes without design complexity. Highly config-
urable standard functions with a simple command structure
minimize software development, while a full set of development
tools are available for the highly-custom product developer.
The ZR38650 is suitable for primarily audio applications such as
Audio/Visual home theater receivers, Digital Audio Broadcast
(DAB), 3-D audio, six-channel speaker systems and Karaoke
processors; primarily video applications like SDTV and HDTV
stereo television receivers, digital cable and satellite TV set-top
boxes; and multimedia applications with both audio and video
like Multimedia PCs and the Digital Video Disk (DVD) players.
DAC
Right
Left Surround
Left
Right Surround
Center
S/PDIF
Optical
Interface
S/PDIF Input
XTAL
ZR38650
Subwoofer
Left Center
Host
Processor
(Optional)
SPI or Z2C Serial Interface
Encoded Data
Input
Decoded Audio
Outputs
General Purpose Control I/O
Right Center
DAC
DAC
DAC
(Optional)
Figure 1. A Typical Low-Parts-Count ZR38650 System
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZR38650 | Full-Function, High-Performance Programmable Digital Audio Signal Processor(全功能，高性能可編程數(shù)字音頻信號(hào)處理器) |
| ZR4040-41 | PRECISION 4.1 VOLT MICROPOWER VOLTAGE REFERENCE |
| ZR404005F25 | Circular Connector; No. of Contacts:26; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:16; Circular Contact Gender:Pin; Circular Shell Style:Cable Receptacle; Insert Arrangement:16-26 |
| ZR40401F25 | PRECISION 2.5 VOLT MICROPOWER VOLTAGE REFERENCE |
| ZR40401F41 | PRECISION 4.1 VOLT MICROPOWER VOLTAGE REFERENCE |
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