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Motorola DSP56301 user manual Manual Organization, Overview

Models: DSP56301

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Chapter 1

Overview

This manual describes the DSP56301 24-bit digital signal processor (DSP), its memory, operating modes, and peripheral modules. The DSP56301 is an implementation of the DSP56300 core with a unique configuration of on-chip memory, cache, and peripherals.

Use this manual in conjunction with the DSP56300 Family Manual (DSP56300FM/AD), which describes the CPU, core programming models, and instruction set details. DSP56301 Technical Data (DSP56301/D)—referred to as the data sheet—provides electrical specifications, timing, pinout, and packaging descriptions of the DSP56301. You can obtain these documents, as well as Motorola’s DSP development tools, through a local Motorola Semiconductor Sales Office or authorized distributor. To receive the latest information on this DSP, access the Motorola DSP home page at the address given on the back cover of this document.

1.1Manual Organization

This manual contains the following chapters and appendices:

νChapter 1, Overview Features list and block diagram, related documentation, organization of this manual, and the notational conventions used.

νChapter 2, Signals/Connections DSP56301 signals and their functional groupings.

νChapter 3, Memory Maps DSP56301 memory spaces, RAM configuration, memory configuration bit settings, memory sizes, and memory locations.

νChapter 4, Core Configuration Registers for configuring the DSP56300 core when programming the DSP56301—in particular, the interrupt vector locations and the operation of the interrupt priority registers; operating modes and how they affect the processor’s program and data memories.

νChapter 5, Programming the Peripherals Guidelines on initializing the DSP56301 peripherals, including mapping control registers, specifying a method of transferring data, and configuring for General-Purpose Input/Output (GPIO).

Overview

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Motorola DSP56301 user manual Manual Organization, Overview
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DSP56301 specifications

The Motorola DSP56301 is a highly efficient digital signal processor, specifically engineered for real-time audio and speech processing applications. This DSP is part of Motorola's renowned DSP56300 family, which is recognized for its innovative features and outstanding performance in the realm of digital signal processing.

One of the main features of the DSP56301 is its ability to handle complex computations at high speeds. With a maximum clock frequency of 66 MHz, it delivers fast performance, enabling it to process audio signals in real time. The chip is built on a 24-bit architecture, which allows for high-resolution audio processing. This is particularly beneficial in applications such as telecommunications, consumer audio devices, and professional audio equipment, where precision is paramount.

The DSP56301 boasts a comprehensive instruction set that includes efficient mathematical operations, which are essential for digital filters and audio effects processing. One of the key innovations of this device is its dual data path architecture, which permits simultaneous processing of multiple data streams. This feature significantly enhances the device's throughput and responsiveness, making it suitable for demanding applications such as voice recognition and synthesis.

In terms of memory regions, the DSP56301 includes several on-chip memory categories, such as program memory, data memory, and a specialized memory for coefficients. The architecture's support for external memory expansion further increases its versatility, allowing designers to tailor systems to their specific requirements.

The DSP56301 implements advanced features such as a powerful on-chip hardware multiplier and accumulator, simplifying complex mathematical tasks and accelerating the execution of algorithms. Its flexible interrupt system enhances its capability to respond to time-sensitive operations, while the integrated serial ports facilitate efficient data communication with external devices.

Power consumption is also a vital characteristic of the DSP56301. It is designed with energy efficiency in mind, allowing for extended operation in battery-powered devices. The chip’s low power requirements are particularly advantageous in portable audio devices and other applications where energy conservation is crucial.

In conclusion, the Motorola DSP56301 is an exceptional digital signal processor that combines high processing power, flexibility, and efficiency. Its main features, advanced technologies, and robust architecture make it a top choice for developers seeking to create sophisticated audio and signal processing systems. With its enduring legacy in the industry, the DSP56301 continues to be relevant in a variety of modern applications, ensuring it remains a valuable tool for engineers and designers.