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AUDIO PROCESSOR. ZR38600 Datasheet

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AUDIO PROCESSOR. ZR38600 Datasheet






ZR38600 PROCESSOR. Datasheet pdf. Equivalent




ZR38600 PROCESSOR. Datasheet pdf. Equivalent





Part

ZR38600

Description

PROGRAMMABLE DOLBY AC-3 AND MPEG2 AUDIO PROCESSOR



Feature


ZR38600 PRODUCT BRIEF FEATURES s Hardwar e Features - High performance 40 MIPS D SP core - Large on chip RAM/ROM - S/PDI F Transmitter and Receiver - Parallel i nput port with FIFO - Separate programm able PLLs for DSP and Audio - 3 serial input ports and 4 serial output ports - 16 bit External memory interface - Glu eless interface with the ZR36120 PCI co ntroller - 3.3 V s.
Manufacture

Zoran

Datasheet
Download ZR38600 Datasheet


Zoran ZR38600

ZR38600; upply with 5 V compatible I/Os s Low Sys tem Cost - No external RAM required for 5.1 Dolby AC-3/MPEG2 - Wait-state gene ration for low-cost external memory - 1 00-pin Plastic Quad Flat Pack (PQFP) pa ckaging s Decoding software included in on-chip ROM - Dolby AC-3 5.1 Channels and 2 Channels - Dolby Pro Logic Encodi ng and Decoding - MPEG1 and MPEG2 2 Cha nnels - Bass cross.


Zoran ZR38600

over and multi-channel downmix s Dedicat ed Functions(*) - MPEG2 PES Stream pars ing - MPEG2 PTS decoding and SCR handli ng - 8-channel PCM downmixing to two ch annels - Sample rate conversion 96 kHz to 48 kHz - AC-3 and MPEG S/PDIF output conforming to IEC-958 s Flexible Input /Output - Parallel and/or serial input stream handling - Support for 24 bit PC M input /output - .


Zoran ZR38600

Master or slave I/O with programmable in ternal clocks - Formatted S/PDIF (IEC-9 58) input and output - AC-3 Input data rates up to 640 Kbits per second - Samp le rates: 32 kHz, 44.1 kHz, 48 kHz or 9 6 kHz s Software and Hardware Developme nt Environment - Assembler/Linker/Simul ator - On-chip ICE support with direct PC connection - ZR38600DB - Demonstrati on Board with 6 an.

Part

ZR38600

Description

PROGRAMMABLE DOLBY AC-3 AND MPEG2 AUDIO PROCESSOR



Feature


ZR38600 PRODUCT BRIEF FEATURES s Hardwar e Features - High performance 40 MIPS D SP core - Large on chip RAM/ROM - S/PDI F Transmitter and Receiver - Parallel i nput port with FIFO - Separate programm able PLLs for DSP and Audio - 3 serial input ports and 4 serial output ports - 16 bit External memory interface - Glu eless interface with the ZR36120 PCI co ntroller - 3.3 V s.
Manufacture

Zoran

Datasheet
Download ZR38600 Datasheet




 ZR38600
ZR38600
PRODUCT BRIEF
PROGRAMMABLE DOLBY AC-3 AND MPEG2 AUDIO PROCESSOR
FEATURES
s Hardware Features
- High performance 40 MIPS DSP core
- Large on chip RAM/ROM
- S/PDIF Transmitter and Receiver
- Parallel input port with FIFO
- Separate programmable PLLs for DSP and Audio
- 3 serial input ports and 4 serial output ports
- 16 bit External memory interface
- Glueless interface with the ZR36120 PCI controller
- 3.3 V supply with 5 V compatible I/Os
s Low System Cost
- No external RAM required for 5.1 Dolby AC-3/MPEG2
- Wait-state generation for low-cost external memory
- 100-pin Plastic Quad Flat Pack (PQFP) packaging
s Decoding software included in on-chip ROM
- Dolby AC-3 5.1 Channels and 2 Channels
- Dolby Pro Logic Encoding and Decoding
- MPEG1 and MPEG2 2 Channels
- Bass crossover and multi-channel downmix
APPLICATIONS:
s Home theater A/V Receivers and decoders
s DVD (Digital Video Disk)
s Digital Cable TV set-top boxes
s Dedicated Functions(*)
- MPEG2 PES Stream parsing
- MPEG2 PTS decoding and SCR handling
- 8-channel PCM downmixing to two channels
- Sample rate conversion 96 kHz to 48 kHz
- AC-3 and MPEG S/PDIF output conforming to IEC-958
s Flexible Input/Output
- Parallel and/or serial input stream handling
- Support for 24 bit PCM input /output
- Master or slave I/O with programmable internal clocks
- Formatted S/PDIF (IEC-958) input and output
- AC-3 Input data rates up to 640 Kbits per second
- Sample rates: 32 kHz, 44.1 kHz, 48 kHz or 96 kHz
s Software and Hardware Development Environment
- Assembler/Linker/Simulator
- On-chip ICE support with direct PC connection
- ZR38600DB - Demonstration Board with 6 analog
outputs and optional PC connection
s Multimedia PC
s DAB (Digital Audio Broadcast)
s Karaoke
Serial In 1
Serial In 2
Serial In 3
S/PDIF Input
Control
Data Bus
16
20
Address Bus
SERIAL
AUDIO
INPUTS
S/PDIF
RECEIVER
Serial Host
4
SERIAL
HOST
INTF.
INTERNAL
DATA
RAM
9Kx20
INTERNAL
PROGRAM
RAM
1Kx32
INTERNAL
PROGRAM /
DATA
ROM
16Kx32
PARALLEL
HOST
INTERFACE
INPUT
FIFO
8x9
MEMORY
INTERFACE
ZR38500
DSP CORE
S/PDIF
TRANSMITTER
ICE
INTF.
DSP
PLL
To PC
(optional)
XTAL
AUDIO
PLL
GPIO
6
General purpose I/O
SERIAL
AUDIO
OUTPUTS
Figure 1. ZR38600 - Functional Block Diagram
ZORAN Corporation reserves the right to change this specification without notice.
S/PDIF Output /
LT / RT Outputs
Left / Right
Left Surround /
Right Surround
Center /
Sub Woofer
Dec 1996
Free Datasheet http://www.datasheet4u.com/




 ZR38600
ZR38600
GENERAL DESCRIPTION
The Zoran ZR38600 is a high performance programmable
digital signal processor capable of real-time single-chip
decoding of Dolby AC-3 5.1-channel digital surround and
MPEG2 2-channel algorithms. The ZR38600 is the third
generation AC-3 decoder made by Zoran. It is based on the
proven ZR38000 and ZR38500 architectures, optimized for
Dolby AC-3 and other complex audio signal processing
applications.
The ZR38600 incorporates large on-chip ROM (16Kx32) and
RAM (9Kx20) for single chip, multi-channel AC-3 decoding
without the need for external memories. In addition, the
ZR38600 includes several important peripheral functions that
simplify system design and achieve lower system costs. A
minimal system requires only a DAC and an optical interface for
the S/PDIF input in addition to the ZR38600 and oscillator.
AC-3
S/PDIF
Optical
I/F
ZR38600
DAC
L
R
XTAL
Figure 3. ZR38600 Minimal System
The high performance of the ZR38600, in conjunction with
1Kwords of on-chip program RAM allow the use of customer
specific, downloadable software without the need for a costly
and time consuming ROM mask change. Currently, all the
required software for AC3 and MPEG2 is implemented in ROM.
as well as a some additional functions such as Bass Crossover
and special handling for DVD. A complete and flexible user
interface program is also included, it permits operation of the
ZR38600 in multiple environments and full control of decoding
functions and configurations. Other multi-channel decoding
algorithms will be provided in upcoming versions of the device.
output ports and the DACs. While receiving coded information
from the S/PDIF input, the ZR38600 can also receive other
information from any serial input port i.e. a microphone or line
input. The S/PDIF transmitter also conforms to IEC-958 and is
used mainly to convey coded bitstreams to an external decoder.
Four serial output ports are provided on the ZR38600. Three of
them carry the normal 5.1 channels of AC-3 and the fourth port
may be used to output Dolby Pro Logic to a recording device
while playing 5.1 channels. A full 8 channel output configuration
is also possible with the ZR38600.
The ZR38600 has an external memory interface for applications
that require additional memory. This interface shares pins with
the parallel port. The parallel port may be used by an external
host to communicate with the ZR38600 for commands/status
or to input coded bitstreams. For those systems that do not have
a parallel host, an SPI compatible serial host interface is
provided . All functions are available through both host
interfaces.
Two fully programmable PLLs (Phase Locked Loops) are
provided on-chip. One generates the DSP clock and the second
one is dedicated to generating the audio clocks for the DACs and
ADCs. The two PLLs simplify system design and permit lower
external component count, especially if multiple bit-rates and
different audio sample rates are switched on-the-fly.
The ZR38600 is available in a 100 pin PQFP package.
(*) Functions will be provided in loadable software modules
Six-Channel
AC-3/MPEG2
Stream
Six-Channel
AC-3/MPEG2
Decoder
Left
Right
Left Surround
Right Surround
Center
Subwoofer
Lt/Rt (Pro Logic)
The compressed bit stream may be fed to the ZR38600 through
several means: An S/PDIF input, a 3 wire serial interface
carrying a raw or packetized bitstream or an 8 bit parallel port.
All S/PDIF rates are supported. The serial interface can support
bit rates of up to 20 Mbits/sec and the parallel interface can
accommodate rates of up to 7 MBytes/sec. The system designer
may select any of the above input schemes or even a
combination of input schemes that suit his particular application.
The software in ROM can handle both request driven input or
constant rate input.
The S/PDIF receiver and associated software conforms to IEC-
958. Dolby AC-3, MPEG and PCM bitstreams are supported.
The ZR38600 extracts the data and clock information from the
bi-phase mark encoding of the S/PDIF streams, the data is fed
to the audio decoder and the clock is used to drive the serial
Two-Channel
AC-3/MPEG1
Stream
Two-Channel
AC-3/MPEG1
Decoder
Pro Logic
Decoder
Left
Right
Center
Surround
S/PDIF
Two-Channel
PCM Input
Pro Logic
Decoder
Left
Right
Center
Surround
S/PDIF
Two-Channel
AC-3/MPEG-1
AC-3/MPEG-1
Decoder
Left
Right
S/PDIF
One- or Two-
Channel PCM
PCM Mixer
Left
Right
S/PDIF
Figure 4. ZR38600 Decoding Functions
Trademarks:
All brand, product, and company names are trademarks or registered trademarks of their respective companies.
ZORAN Corporation s 2041 Mission College Blvd s Santa Clara, CA 95054 s (408) 986-1314 s FAX (408) 986-1240
Dec 1996
Free Datasheet http://www.datasheet4u.com/










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