Chapter 1

SPRUFX5A – October 2010 – Revised November 2010

System Control

1.1Introduction

The TMS320C5515 digital signal processor (DSP) contains a high-performance, low-power DSP to efficiently handle tasks required by portable audio, wireless audio devices, industrial controls, software defined radio, fingerprint biometrics, and medical applications. The C5515 DSP consists of the following primary components:

A C55x CPU and associated memory

FFT hardware accelerator

Four DMA controllers and external memory interface

Power management module

A set of I/O peripherals that includes I2S, I2C, SPI, UART, Timers, EMIF, 10-bit SAR ADC, LCD Controller, USB 2.0

For more information on these components see the following documents:

TMS320C55x 3.0 CPU Reference Guide (SWPU073).

TMS320C55x DSP Peripherals Overview Reference Guide (SPRU317).

1.1.1Block Diagram

The C5515 DSP block diagram is shown in Figure 1-1 .

Figure 1-1. Functional Block Diagram

 

DSP System

 

JTAG Interface

C55x™ DSP CPU

 

 

Input

PLL/Clock

FFT Hardware

Clock(s)

Accelerator

Generator

 

 

 

Power

64 KB DARAM

 

 

 

Management

256 KB SARAM

 

 

 

Pin

 

 

Multiplexing

128 KB ROM

Switched Central Resource (SCR)

Peripherals

Interconnect

Serial Interfaces

Program/Data Storage

DMA

(x4)

App-Spec

10-Bit

SAR ADC

I2S

(x4)

Display

LCD

Bridge

I2C

 

SPI

 

 

 

Connectivity

USB 2.0

PHY (HS) [DEVICE]

UART

RTC

 

NAND, NOR,

MMC/SD

SRAM, mSDRAM

(x2)

System

 

GP Timer

GP Timer

LDOs

(x2)

or WD

 

SPRUFX5A –October 2010 –Revised November 2010

System Control

13

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Copyright © 2010, Texas Instruments Incorporated

Page 13
Image 13
Texas Instruments TMS3320C5515 manual Functional Block Diagram

TMS3320C5515 specifications

The Texas Instruments TMS3320C5515 is a highly specialized digital signal processor (DSP) designed for a wide range of applications, including telecommunications, audio processing, and other signal-intensive tasks. As part of the TMS320 family of DSPs, the TMS3320C5515 leverages TI's extensive experience in signal processing technology, delivering robust performance and reliability.

One of the main features of the TMS3320C5515 is its 32-bit architecture, which allows for a high level of precision in digital signal computation. The processor is capable of executing complex mathematical algorithms, making it suitable for tasks that require high-speed data processing, such as speech recognition and audio filtering. With a native instruction set optimized for DSP applications, the TMS3320C5515 can perform multiply-accumulate operations in a single cycle, significantly enhancing computational efficiency.

The TMS3320C5515 employs advanced technologies including a Harvard architecture that separates instruction and data memory, enabling simultaneous access and improving performance. Its dual data buses enhance throughput by allowing multi-channel processing, making it particularly effective for real-time applications where timely data manipulation is critical. The device supports a wide range of peripherals, facilitating connections to various sensors and communication systems, which is vital in embedded applications.

In terms of characteristics, the TMS3320C5515 operates at an impressive clock speed, providing the computational power necessary to handle demanding tasks. The device is optimized for low power consumption, making it ideal for battery-operated applications without sacrificing performance. Its flexibility in processing algorithms also allows it to be readily adapted for specific requirements, from audio codecs to modems.

Another noteworthy aspect is the extensive development ecosystem surrounding the TMS3320C5515, which includes software tools, libraries, and support resources designed to accelerate the development process. This allows engineers and developers to bring their projects to market more quickly while minimizing risk.

Overall, the Texas Instruments TMS3320C5515 stands out as a powerful DSP solution, equipped with features that cater to the needs of various industries. Its combination of performance, efficiency, and versatile application makes it an attractive choice for engineers working in signal processing.