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DSP56011 Datasheet

  • DSP56011

  • 24-BIT DVD DIGITAL SIGNAL PROCESSOR

  • 82頁

  • MOTOROLA   MOTOROLA

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by:
DSP56011/D
DSP56011
Advance Information
24-BIT DVD DIGITAL SIGNAL PROCESSOR
The DSP56011 is a high-performance programmable Digital Signal Processor (DSP) developed
for Digital Versatile Disc (DVD), High-Definition Television (HDTV), and Advanced Set-top
audio decoding. The DSP56011 is optimized with audio-specific peripherals and customized
memory configuration, and may be programmed with Motorola鈥檚 certified software for Dolby
AC-3 5.1 Channel Surround, Dolby Pro Logic, and MPEG1 Layer 2. These applications use
Motorola鈥檚 24-bit DSP56000 architecture and are the highest quality solutions available. Flexible
peripheral modules and interface software allow simple connection to a wide variety of video/
system decoders. In addition, the DSP56011 offers switchable memory space configuration, a
large user-definable Program ROM and two independent data RAMs and ROMs, a Serial Audio
Interface (SAI), Serial Host Interface (SHI), Parallel Host Interface (HI) with Direct Memory
Access (DMA) for communicating with other processors, dedicated I/O lines, on-chip Phase
Lock Loop (PLL), On-Chip Emulation (OnCE
鈩?/div>
) port, and on-chip Digital Audio Transmitter
(DAX).
Figure 1
shows the functional blocks of the DSP56011.
IN
9
5
2
Serial
Audio
Interface
(SAI)
Serial
Host
Interface
(SHI)
Digital
Audio
Transmitter
(DAX)
Address
Generation
Unit
PAB
XAB
YAB
GDB
PDB
XDB
YDB
Program
Program
Decode
Address
Controller
Generator
Program Control Unit
4
15
Parallel
Host
Interface
(HI)
Expansion
Area
24-Bit
DSP56000
Core
8
General
Purpose
I/O
(GPIO)
PR
EL
Internal
Data
Bus
Switch
OnCE
TM
Port
Clock
PLL Gen.
Program
Interrupt
Controller
3
4
EXTAL
Rev. 1
IM
IRQA, IRQB, NMI, RESET
AR
Program
Memory
X Data
Memory
Figure 1
DSP56011 Block Diagram
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Preliminary Information
漏 MOTOROLA, INC. 1996, 1997
Y
16-Bit Bus
24-Bit Bus
Y Data
Memory
Data ALU
24
脳
24 + 56
鈫?/div>
56-Bit MAC
Two 56-Bit Accumulators
AA1271

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