TMS320VC5510芯片技术文档：英文版详细说明

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"TMS320VC5510是一款由德州仪器（Texas Instruments, TI）生产的高性能数字信号处理器（DSP），主要用于嵌入式系统设计。该文档详细介绍了TMS320VC5510芯片的技术规格、功能特性、接口配置以及应用指南等。尽管文档是英文版，但对理解和使用这款芯片至关重要。" TMS320VC5510是TI的C55x系列中的一个成员，它是一款16位定点DSP，专为低功耗和高性能计算而设计。该芯片集成了多种功能，包括高速处理能力、高效的内存架构以及灵活的外设接口，使其适用于语音、音频、图像处理以及通信等多种应用。 1. **性能与特性**：TMS320VC5510具有高速哈佛结构，提供高吞吐量的数据处理，内核时钟速度可达150MHz。其指令集优化了数字信号处理算法，如快速傅里叶变换(FFT)、滤波器设计等。芯片内置浮点单元，支持浮点运算，增强了计算能力。 2. **内存架构**：该芯片包含了程序存储器（ROM/Flash）、数据存储器（RAM）以及I/O空间，内存结构支持并行访问，以提高数据处理效率。此外，还可能包含用于缓存和缓冲的片上存储资源。 3. **外设接口**：TMS320VC5510通常配备丰富的外设接口，如串行端口SPI、I2C、UART，以及并行接口如GPIO、定时器和PWM，这些接口使得它可以与其他设备进行通信和控制。 4. **开发与支持**：TI提供全面的开发工具和软件库，如Code Composer Studio IDE，用于编写、调试和优化代码。此外，TI还提供了各种应用笔记、样例代码和用户手册，以帮助工程师快速启动项目。 5. **质量与可靠性**：TI强调其产品的质量和可靠性，尽管并非所有参数都经过测试，但其产品符合政府要求的测试标准。TI的标准保修条款覆盖了产品销售时的性能表现，并明确指出客户在使用TI组件时应负责自己的应用设计和操作安全。 6. **风险管理和设计建议**：由于TI不对最终应用负责，客户在设计时需要考虑适当的保护措施，确保系统的安全性和稳定性。这包括但不限于电源管理、过载保护、热设计以及电磁兼容性(EMC)等方面。 7. **持续更新和变化**：TI保留随时更改产品或服务的权利，因此建议用户在订购前检查最新的技术信息，以确保信息的准确性和完整性。总结起来，TMS320VC5510是一款强大且功能多样的DSP，适用于需要高效数字信号处理的嵌入式系统。理解和掌握这份英文技术文档将有助于开发者充分发挥该芯片的潜力，实现创新的应用设计。

Introduction

June 2000 – Revised April 2001SPRS076A

1.2 Description

The TMS320VC5510 (5510) fixed-point digital signal processor (DSP) is based on the TMS320C55x DSP

generation CPU processor core. The C55x DSP architecture achieves high performance and low power

through increased parallelism and total focus on reduction in power dissipation. The CPU supports an internal

bus structure composed of one program bus, three data read buses, two data write buses, and additional

buses dedicated to peripheral and DMA activity. These buses provide the ability to perform up to three data

reads and two data writes in a single cycle. In parallel, the DMA controller can perform up to two data transfers

per cycle independent of the CPU activity.

The C55x CPU provides two multiply-accumulate (MAC) units, each capable of 17-bit x 17-bit multiplication

in a single cycle. A central 40-bit arithmetic/logic unit (ALU) is supported by an additional 16-bit ALU. Use

of the ALUs is under instruction set control, providing the ability to optimize parallel activity and power

consumption. These resources are managed in the address unit (AU) and data unit (DU) of the C55x CPU.

The C55x DSP generation supports a variable byte width instruction set for improved code density. The

instruction unit (IU) performs 32-bit program fetches from internal or external memory and queues instructions

for the program unit (PU). The program unit decodes the instructions, directs tasks to AU and DU resources,

and manages the fully protected pipeline. Predictive branching capability avoids pipeline flushes on execution

of conditional instructions. The 5510 also includes a 24K-byte instruction cache to minimize external memory

accesses, improving data throughput and conserving system power.

The 5510 peripheral set includes an external memory interface (EMIF) that provides glueless access to

asynchronous memories like EPROM and SRAM, as well as to high-speed, high-density memories such as

synchronous DRAM and synchronous burst SRAM. Three full-duplex multichannel buffered serial ports

(McBSPs) provide glueless interface to a variety of industry-standard serial devices, and multichannel

communication with up to 128 separately enabled channels. The enhanced host-port interface (EHPI) is a

16-bit parallel interface used to provide host processor access to internal memory on the 5510. The EHPI can

be configured in either multiplexed or non-multiplexed mode to provide glueless interface to a wider variety

of host processors. The DMA controller provides data movement for six independent channel contexts without

CPU intervention, providing DMA throughput of up to two 16-bit words per cycle. Two general-purpose timers,

eight general-purpose I/O (GPIO) pins, and digital phase-locked loop (DPLL) clock generation are also

included.

The 5510 is supported by the industry’s award-winning eXpressDSP, Code Composer StudioIntegrated

Development Environment (IDE), DSP/BIOS, Texas Instruments’ algorithm standard, and the industry’s

largest third-party network. The Code Composer Studio IDE features code generation tools including a C

Compiler and Visual Linker, simulator, RTDX, XDS510 emulation device drivers (VC5510), and evaluation

modules. The 5510 is also supported by the C55x DSP Library which features more than 50 foundational

software kernals (FIR filters, IIR filters, FFTs, and various math functions) as well as chip and board support

libraries.

1.3 Pin Assignments

Figure 1–1 illustrates the ball locations for the 240-pin ball grid array (BGA) package and is used in conjunction

with Table 1–1 to locate signal names and ball grid numbers.

NOTE: On the 5510, not all of the balls on the GGW package are used. See the Table 1–1 for

detailed information.

PRODUCT PREVIEW

C55x, eXpressDSP, Code Composer Studio, RTDX, DSP/BIOS, and XDS510 are trademarks of Texas Instruments.

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