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SM320VC5510A-EP Datenblatt(PDF) 10 Page - Texas Instruments

Teilenummer SM320VC5510A-EP
Bauteilbeschribung  SM320VC5510A-EP Fixed-Point Digital Signal Processor
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Introduction
2
August 2003 − Revised November 2003
SGUS045A
2
Introduction
This section describes the main features of the 320VC5510 digital signal processor (DSP), lists the pin
assignments, and describes the function of each pin. This data manual also provides a detailed description
section, electrical specifications, parameter measurement information, and mechanical data about the
available packaging.
NOTE: This data manual is designed to be used in conjunction with the TMS320C55x
 DSP
Functional Overview (literature number SPRU312).
2.1
Description
The 320VC5510 (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 leading eXpressDSP
 software environment including the Code
Composer Studio
 integrated development environment, DSP/BIOS software kernel foundation, the
TMS320
 DSP Algorithm Standard, and the industry’s largest third-party network. Code Composer Studio
features code generation tools including a C-Compiler, Visual Linker, simulator, Real-Time Data Exchange
(RTDX
), XDS510 emulation device drivers, and Chip Support Libraries (CSL). DSP/BIOS is a scalable
real-time software foundation available for no cost to users of Texas Instruments’ DSP products providing a
preemptive task scheduler and real-time analysis capabilities with very low memory and megahertz overhead.
The TMS320 DSP Algorithm Standard is a specification of coding conventions allowing fast integration of
algorithms from different teams, sites, or third parties into the application framework. Texas Instruments’
extensive DSP third-party network of over 400 providers brings focused competencies and complete solutions
to customers.
C55x, eXpressDSP, Code Composer Studio, DSP/BIOS, TMS320, RTDX, and XDS510 are trademarks of Texas Instruments.


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