Motorola DSP56301 user manual Port a, See -2for a listing of the Host Interface/Port B Signals

Models: DSP56301

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VCCP

4

VCCQ

6

VCCA

4

VCCD

2

VCCC

6

VCCH

2

VCCS

 

GNDP

 

GND1P

4

GNDQ

6

GNDA

4

GNDD

2

GNDN

6

GNDH

2

GNDS

 

EXTAL

 

XTAL

 

CLKOUT

 

PCAP

 

PINIT

 

A[0–23]

24

 

D[0–23]

24

 

AA[0–3]/

4

RAS[0–3]

 

RD

 

WR

 

BS

 

TA

 

BR

 

BG

 

BB

 

BL

 

CAS

 

BCLK

 

BCLK

 

DSP56301

Power Inputs:

Interrupt/

PLL

Mode

Internal Logic

Control

 

Address Bus

 

Data Bus

 

Bus Control

 

HI32

 

ESSI/SCI/Timer

 

Grounds:

Host

Interface

PLL

(HI32) Port1

PLL

 

Internal Logic

 

Address Bus

 

Data Bus

 

Bus Control

 

HI32

 

ESSI/SCI/Timer

 

Extended Synchronous

Clock Serial Interface Port 0

(ESSI0)2

PLL

 

 

Extended

Port A

Synchronous Serial

Interface Port 1

External

(ESSI1)2

Address Bus

 

External

Serial

Data Bus

Communications

 

 

Interface (SCI) Port2

External

 

Bus

 

Control

 

 

Timers3

JTAG/OnCE

Port

52

3

3

MODA/IRQA

MODB/IRQB

MODC/IRQC

MODD/IRQD

RESET

NMI

 

Universal

Port B

PCI Bus

Bus

GPIO

See Figure 2-2for a listing of the Host Interface/Port B Signals

 

Port C GPIO

SC0[0–2]

PC[0–2]

SCK0

PC3

SRD0

PC4

STD0

PC5

 

Port D GPIO

SC1[0–2]

PD[0–2]

SCK1

PD3

SRD1

PD4

STD1

PD5

 

Port E GPIO

RXD

PE0

TXD

PE1

SCLK

PE2

 

 

 

Timer GPIO

TIO0

TIO0

TIO1

TIO1

TIO2

TIO2

 

TCK

 

 

TDI

 

 

TDO

 

 

TMS

 

 

TRST

 

 

DE

 

 

Notes: 1. The HI32 port supports PCI and non-PCI bus configurations. Twenty-four of these HI32 signals can also be configured alternately as GPIO signals (PB[0–23]).

2.The ESSI0, ESSI1, and SCI signals are multiplexed with the Port C GPIO signals (PC[0–5]), Port D GPIO signals (PD[0–5]), and Port E GPIO signals (PE[0–2]), respectively.

3.TIO[0–2] can be configured as GPIO signals.

Figure 2-1.Signals Identified by Functional Group

2-2

DSP56301 User’s Manual

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Motorola DSP56301 user manual Port a, See -2for a listing of the Host Interface/Port B Signals

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.