Enhanced Product Fixed-Point Digital Signal Processor


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  • Controlled Baseline
    • One Assembly/Test Site, One Fabrication Site
  • Extended Temperature Performance of –40°C to 85°C
  • Enhanced Diminishing Manufacturing Sources (DMS) Support
  • Enhanced Product-Change Notification
  • Qualification Pedigree
  • High-Performance, Low-Power, Fixed-Point 320C55x™ Digital Signal Processor (DSP)
    • 5-ns Instruction Cycle Time
    • 200-MHz Clock Rate
    • One/Two Instructions Executed per Cycle
    • Dual Multipliers (Up to 400 Million Multiply-Accumulates Per Second (MMACS))
    • Two Arithmetic/Logic Units
    • One Internal Program Bus
    • Three Internal Data/Operand Read Buses
    • Two Internal Data/Operand Write Buses
  • Instruction Cache (24K Bytes)
  • 160K x 16-Bit On-Chip RAM Composed of:
    • Eight Blocks of 4K × 16-Bit Dual-Access RAM (DARAM) (64K Bytes)
    • 32 Blocks of 4K × 16-Bit Single-Access RAM (SARAM) (256K Bytes)
  • 16K × 16-Bit On-Chip ROM (32K Bytes)
  • 8M × 16-Bit Maximum Addressable External Memory Space
  • 32-Bit External Memory Interface (EMIF) With Glueless Interface to:
    • Asynchronous Static RAM (SRAM)
    • Asynchronous EPROM
    • Synchronous DRAM (SDRAM)
    • Synchronous Burst SRAM (SBSRAM)
  • Programmable Low-Power Control of Six Device Functional Domains
  • On-Chip Peripherals
    • Two 20-Bit Timers
    • Six-Channel Direct Memory Access (DMA) Controller
    • Three Multichannel Buffered Serial Ports (McBSPs)
    • 16-Bit Parallel Enhanced Host-Port Interface (EHPI)
    • Programmable Digital Phase-Locked Loop (DPLL) Clock Generator
    • Eight General-Purpose I/O (GPIO) Pins and Dedicated General-Purpose Output (XF)
  • On-Chip Scan-Based Emulation Logic
  • IEEE Std 1149.1 (JTAG) Boundary Scan Logic
  • 240-Terminal MicroStar BGA™ (Ball Grid Array) (GGW Suffix)
  • 3.3-V I/O Supply Voltage
  • 1.6-V Core Supply Voltage§

TMS320C55x and MicroStar BGA are trademarks of Texas Instruments.
Other trademarks are the property of their respective owners.
Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.
IEEE Standard 1149.1-1990 Standard-Test-Access Port and Boundary Scan Architecture.
§ Some TMX320VC5510 prototype devices may require core supply voltage other than 1.6 V. See the Electrical Specification section of this data manual for more information. See the TMS320VC5510 Digital Signal Processor Silicon Errata (literature number SPRZ008) for further clarification and distinguishing markings.
C55x, eXpressDSP, Code Composer Studio, DSP/BIOS, TMS320, RTDX, and XDS510 are trademarks of Texas Instruments.
TMS320C54x and C54x are trademarks of Texas Instruments.
TMS320C5000 is a trademark of Texas Instruments.

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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.

Texas Instruments (TI) has also developed foundation software available for the 5510. The C55x DSP Library (DSPLIB) features over 50 C-callable software kernels (FIR/IIR filters, Fast Fourier Transforms (FFTs), and various computational functions). The DSP Image/Video Processing Library (IMGLIB) contains over 20 software kernels highly optimized for C55x DSPs and is compiled with the latest revision of the C55x DSP code generation tools. These imaging functions support a wide range of applications that include compression, video processing, machine vision, and medical imaging.

The TMS320C55x DSP core was created with an open architecture that allows the addition of application-specific hardware to boost performance on specific algorithms. The hardware extensions on the 5510 strike the perfect balance of fixed function performance with programmable flexibility, while achieving low-power consumption, and cost that traditionally has been difficult to find in the video-processor market. The extensions allow the 5510 to deliver exceptional video codec performance with more than half its bandwidth available for performing additional functions such as color space conversion, user-interface operations, security, TCP/IP, voice recognition, and text-to-speech conversion. As a result, a single 5510 DSP can power most portable digital video applications with processing headroom to spare. For more information, see the TMS320C55x Hardware Extensions for Image/Video Applications Programmer’s Reference (literature number SPRU098). For more information on using the the DSP Image Processing Library, see the TMS320C55x Image/Video Processing Library Programmer’s Reference (literature number SPRU037).

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Technical documentation

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Type Title Date
* Datasheet SM320VC5510A-EP Fixed-Point Digital Signal Processor datasheet (Rev. A) Nov. 17, 2003
VID SM320VC5510A-EP VID V6204605 Jun. 21, 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

The Spectrum Digital XDS100v2 is the second generation of the XDS100 family of debug probes (emulators) for TI processors. The XDS100 family features the lowest cost of all the XDS family of debug probes while supporting the traditional JTAG standard (IEEE1149.1). Also, all XDS debug probes support (...)

The XDS100v2 is the second generation of the XDS100 family of low cost JTAG debug probes (emulators) for TI processors. Designed to deliver full featured JTAG connectivity at a low cost, the XDS100 is the family of choice for entry-level debugging of TI microcontrollers, processors and wireless (...)

XDS200 USB Debug Probe

The Spectrum Digital XDS200 is the first model of the XDS200 family of debug probes (emulators) for TI processors. The XDS200 family features a balance of low cost with good performance between the super low cost XDS110 and the high performance XDS560v2, while supporting a wide variety of standards (...)


The XDS200 is the mid-range family of JTAG debug probes (emulators) for TI processors. Designed to deliver good performance and the most common features that place it between the low cost XDS110 and the high performance XDS560v2, the XDS200 is the balanced solution to debug TI microcontrollers (...)


The XDS560v2 System Trace is the first model of the XDS560v2 family of high-performance debug probes (emulators) for TI processors. The XDS560v2 is the highest performance of the XDS family of debug probes and supports both the traditional JTAG standard (IEEE1149.1) and cJTAG (IEEE1149.7).

The (...)


XDS560v2 is the latest variant of the XDS560 family of high-performance debug probes (emulators) for TI processors. With the fastest speeds and most features of the entire XDS family, XDS560v2 is the most comprehensive solution to debug TI microcontrollers, processors and wireless connectivity (...)


The XDS560v2 System Trace is the first model of the XDS560v2 family of high-performance debug probes (emulators) for TI processors. The XDS560v2 is the highest performance of the XDS family of debug probes and supports both the traditional JTAG standard (IEEE1149.1) and cJTAG (IEEE1149.7).

The (...)

  • XDS560v2 is the latest variant of the XDS560 family of high-performance debug probes (emulators) for TI processors. With the fastest speeds and most features of the entire XDS family, XDS560v2 is the most comprehensive solution to debug TI microcontrollers, processors and wireless connectivity (...)

Software development

Telecom and Media Libraries - FAXLIB, VoLIB and AEC/AER for TMS320C64x+ and TMS320C55x Processors
TELECOMLIB Voice Library - VoLIB provides components that, together, facilitate the development of the signal processing chain for Voice over IP applications such as infrastructure, enterprise, residential gateways and IP phones. Together with optimized implementations of ITU-T voice codecs, that can be acquired (...)


  • Telogy Software Line Echo Canceller (ECU)
  • Tone Detection Unit (TDU)
  • Caller ID Detection/Generation (CID)
  • Tone Generation Unit (TGU)
  • Voice Activity Detection Unit (VAU)
  • Noise Matching Functions
  • Packet Loss Concealment (PLC)
  • Voice Enhancement Unit (VEU)  


  • Fax Interface Unit (FIU)
  • Fax Modem (FM)
  • (...)
Code Composer Studio (CCS) Integrated Development Environment (IDE)

Code Composer Studio is an integrated development environment (IDE) that supports TI's Microcontroller and Embedded Processors portfolio. Code Composer Studio comprises a suite of tools used to develop and debug embedded applications. It includes an optimizing C/C++ compiler, source code editor (...)

CAD/CAE symbols

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BGA MICROSTAR (GGW) 240 View options

Ordering & quality

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