Motorola DSP56012 Manual De Usuario

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Overview
Introduction
 
 
MOTOROLA
DSP56012 User’s Manual 
1-3
 
1.1
INTRODUCTION
 
This manual describes in detail the DSP56012 24-bit Digital Signal Processor (DSP), 
its memory, operating modes, and peripheral modules. This manual is intended to be 
used with the 
 
DSP56000 Family Manual 
 
(DSP56KFAMUM/AD) and the 
 
DSP56012 
Technical Data
 
 sheet (DSP56012/D). The family manual describes the Central 
Processing Unit (CPU), programming models, and the instruction set. The data sheet 
provides electrical specifications, timing, pinouts, and packaging descriptions. These 
documents, as well as Motorola’s DSP development tools, can be obtained through a 
local Motorola Semiconductor Sales Office or authorized distributor.
To receive the latest information, access the Motorola DSP home page located at
http://www.motorola-dsp.com
The DSP56012 is a high-performance programmable DSP specifically developed for 
Digital Versatile Disk (DVD), High-Definition Television (HDTV), and advanced 
set-top audio decoding. Flexible peripheral modules and interface software allow 
simple connection to a wide variety of video and audio system decoders. The 
memory configuration and peripherals differentiate this DSP from the other 56000 
family members. The DSP56012 also provides the following on-chip peripherals to 
support its target applications:
 
• Parallel Host Interface (HI)—
 
a byte-wide parallel port with Direct Memory 
Access (DMA) support
 
Serial Host Interface (SHI)
 
—simple communications and control interface 
between a host processor and the DSP 
 
Serial Audio Interface (SAI)
 
—user-programmable interface that provides 
support for a wide variety of serial audio formats to support a number of 
standard audio devices 
 
Dedicated General Purpose Input/Output (GPIO) Signals
 
—eight additional 
individually controlled input or output signals
 
Digital Audio Transmitter (DAX)
 
—outputs digital audio data in AES/EBU, 
CP-340, and IEC958 formats
The DSP56012 has the power and ease-of-programming required for stand-alone, 
embedded applications. The versatile, on-board peripherals allow the DSP to be 
connected easily to almost any other processor with little or no additional logic.