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Product details

Parameters

DSP 8 C66x On-chip L2 cache/RAM 4096 KB Other on-chip memory 4096 KB Total on-chip memory (KB) 8832 Operating system DSP/BIOS DRAM DDR3 Ethernet MAC 2-Port 1Gb Switch PCI/PCIe 2 PCIe Gen2 Serial I/O I2C, RapidIO, SPI, TSIP, UART I2C 1 SPI 1 Operating temperature range (C) -40 to 100, 0 to 85 UART (SCI) 1 Rating Catalog open-in-new Find other C6000 floating-point DSPs

Package | Pins | Size

FCBGA (CYP) 841 576 mm² 24 x 24 open-in-new Find other C6000 floating-point DSPs

Features

  • Eight TMS320C66x DSP Core Subsystems at 1.00 GHz and 1.25GHz
    • 320 GMAC/160 GFLOP @ 1.25GHz
    • 32KB L1P, 32KB L1D, 512KB L2 Per Core
    • 4MB Shared L2
  • Multicore Navigator and TeraNet Switch Fabric - 2 Tb
  • Network Coprocessors- Packet Accelerator, Security Accelerator
  • Four Lanes of SRIO 2.1 - 5 Gbaud Per Lane Full Duplex
  • Two Lanes PCIe Gen2 - 5 Gbaud Per Lane Full Duplex
  • HyperLink - 50Gbaud Operation, Full Duplex
  • Ethernet MAC Subsystem - Two SGMII Ports w/ 10/100/1000 Mbps operation
  • 64-Bit DDR3 Interface (DDR3-1600) - 8 GByte Addressable Memory Space
  • 16-Bit EMIF - Async SRAM, NAND and NOR Flash Support
  • Two Telecom Serial Ports (TSIP) - 2/4/8 Lanes at 32.768/16.384/8.192
  • UART Interface
  • I2C Interface
  • 16 GPIO Pins
  • SPI Interface
  • Sixteen 64-Bit Timers
  • Three On-Chip PLLs
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Description

The TMS320C6678 Multicore Fixed and Floating Point Digital Signal Processor is based on TI's KeyStone multicore architecture. Integrated with eight C66x CorePac DSPs, each core runs at 1.0 to 1.25 GHz enabling up to 10 GHz. The device supports high-performance signal processing applications such as mission critical, medical imaging, test, and automation. The C6678 platform is power efficient and easy to use. The C66x CorePac DSP is fully backward compatible with all existing C6000 family of fixed and floating point DSPs.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet TMS320C6678 Multicore Fixed and Floating-Point Digital Signal Processor datasheet (Rev. E) Mar. 06, 2014
* Errata TMS320C6678 Multcore Fixed & Floating-Point DSP Silicon Errata (Revs 1.0, 2.0) (Rev. H) Jun. 29, 2015
User guide SYS/BIOS (TI-RTOS Kernel) User's Guide (Rev. V) Jun. 01, 2020
Application note How to Migrate CCS 3.x Projects to the Latest CCS Feb. 06, 2020
Application note Keystone Error Detection and Correction EDC ECC Aug. 12, 2019
Application note Using DSPLIB FFT Implementation for Real Input and Without Data Scaling Jun. 11, 2019
Application note Keystone Bootloader Resources and FAQ May 29, 2019
Application note Keystone Multicore Device Family Schematic Checklist May 17, 2019
Application note Hardware Design Guide for KeyStone Devices (Rev. D) Mar. 21, 2019
Application note KeyStone I DDR3 interface bring-up Mar. 06, 2019
White paper Designing professional audio mixers for every scenario Jun. 28, 2018
User guide SYS/BIOS (TI-RTOS Kernel) User's Guide (Rev. U) Feb. 07, 2018
Application note DDR3 Design Requirements for KeyStone Devices (Rev. C) Jan. 23, 2018
Application note Thermal Design Guide for DSP and Arm Application Processors (Rev. B) Aug. 14, 2017
User guide Phase-Locked Loop (PLL) for KeyStone Devices User's Guide (Rev. I) Jul. 26, 2017
Application note PCI Express (PCIe) Resource Wiki for Keystone Devices (Rev. A) May 19, 2017
Application note Processor SDK RTOS Audio Benchmark Starter Kit Apr. 12, 2017
Selection guide TI Components for Aerospace and Defense Guide (Rev. E) Mar. 22, 2017
Application note KeyStone I DDR3 Initialization (Rev. E) Oct. 28, 2016
Application note Keystone NDK FAQ Oct. 03, 2016
Application note SERDES Link Commissioning on KeyStone I and II Devices Apr. 13, 2016
White paper Multicore SoCs stay a step ahead of SoC FPGAs Feb. 23, 2016
Application note TI DSP Benchmarking Jan. 13, 2016
Technical articles If someone offered you same video quality for half the data rate, would you take it? Aug. 18, 2015
Application note Plastic Ball Grid Array [PBGA] Application Note (Rev. B) Aug. 13, 2015
Technical articles “Swiss Army Knife” of audio codecs Jun. 26, 2015
Technical articles In honor of Cinco de Mayo – Five revolutionary reasons why the C6678 DSP is easy to program May 08, 2015
User guide Enhanced Direct memory Access 3 (EDMA3) for KeyStone Devices User's Guide (Rev. B) May 06, 2015
Technical articles Five fab facts about the C6678 DSP Apr. 27, 2015
User guide Multicore Navigator (CPPI) for KeyStone Architecture User's Guide (Rev. H) Apr. 09, 2015
White paper TI’s processors leading the way in embedded analytics Mar. 03, 2015
User guide DDR3 Memory Controller for KeyStone I Devices User's Guide (Rev. E) Jan. 20, 2015
White paper Very large FFT for TMS320C6678 processors Jan. 13, 2015
White paper Synthetic Aperture Radar Implementation on a TMS320C6678 Multicore DSP Jan. 06, 2015
Application note TI Keystone DSP Hyperlink SerDes IBIS-AMI Models Oct. 09, 2014
Application note TI Keystone DSP PCIe SerDes IBIS-AMI Models Oct. 09, 2014
User guide Power Sleep Controller (PSC) for KeyStone Devices User's Guide (Rev. C) Sep. 04, 2014
User guide Serial RapidIO (SRIO) for KeyStone Devices User's Guide (Rev. C) Sep. 03, 2014
More literature KeyStone Lab Manual - Training Jun. 05, 2014
User guide System Analyzer User's Guide (Rev. F) Nov. 18, 2013
User guide PCI Express (PCIe) for KeyStone Devices User's Guide (Rev. D) Sep. 30, 2013
User guide DSP Bootloader for KeyStone Architecture User's Guide (Rev. C) Jul. 15, 2013
White paper Another Look at the Future of Medical Processing Jul. 12, 2013
White paper Medical Software Development on Keystone Devices Jul. 12, 2013
White paper Accelerating high-performance computing development with Desktop Linux SDK Jul. 08, 2013
User guide Gigabit Ethernet Switch Subsystem for KeyStone Devices User's Guide (Rev. D) Jul. 03, 2013
User guide C66x CorePac User's Guide (Rev. C) Jun. 28, 2013
User guide Memory Protection Unit (MPU) for KeyStone Devices User's Guide (Rev. A) Jun. 28, 2013
User guide HyperLink for KeyStone Devices User's Guide (Rev. C) May 28, 2013
User guide Security Accelerator (SA) for KeyStone Devices User's Guide (Rev. B) Feb. 05, 2013
More literature Multicore DSPs for High-Performance Video Coding Jan. 22, 2013
More literature OpenMP Programming for TMS320C66x Multicore DSPs (Rev. A) Nov. 05, 2012
Application note SerDes Implementation Guidelines for KeyStone I Devices Oct. 31, 2012
More literature TMS320C66x high-performance multicore DSPs for video surveillance Sep. 06, 2012
Application note Multicore Programming Guide (Rev. B) Aug. 29, 2012
User guide TMS320C6000 Assembly Language Tools v 7.4 User's Guide (Rev. W) Aug. 21, 2012
User guide TMS320C6000 Optimizing Compiler v 7.4 User's Guide (Rev. U) Aug. 21, 2012
User guide Packet Accelerator (PA) for KeyStone Devices User's Guide (Rev. A) Jul. 11, 2012
White paper Leveraging multicore processors for machine vision applications May 09, 2012
User guide Semaphore2 Hardware Module for KeyStone Devices User's Guide (Rev. A) Apr. 24, 2012
More literature TMS320C6678 Multicore DSP for Multimedia Infrastructure (Rev. A) Apr. 11, 2012
User guide Serial Peripheral Interface (SPI) for KeyStone Devices User’s Guide (Rev. A) Mar. 30, 2012
User guide Chip Interrupt Controller (CIC) for KeyStone Devices User's Guide (Rev. A) Mar. 27, 2012
User guide 64-Bit Timer (Timer64) for KeyStone Devices User's Guide (Rev. A) Mar. 22, 2012
White paper Maximizing Multicore Efficiency with Navigator Runtime Feb. 23, 2012
Application note PCIe Use Cases for KeyStone Devices Dec. 13, 2011
User guide Multicore Shared Memory Controller (MSMC) for KeyStone Devices User's Guide (Rev. A) Oct. 15, 2011
Application note Introduction to TMS320C6000 DSP Optimization Oct. 06, 2011
User guide Debug and Trace for KeyStone I Devices User's Guide (Rev. A) Sep. 22, 2011
User guide Inter-Integrated Circuit (I2C) for KeyStone Devices User's Guide Sep. 02, 2011
White paper KeyStone Multicore SoC Tool Suite: one platform for all needs Jun. 17, 2011
User guide External Memory Interface (EMIF16) for KeyStone Devices User's Guide (Rev. A) May 24, 2011
White paper Software and Hardware Design Challenges Due to Dynamic Raw NAND Market May 19, 2011
More literature TMS320C6671/72/74/78 High-Performance Multicore Fixed- and Floating-Point DSPs (Rev. B) Apr. 25, 2011
Application note TMS320C66x DSP Generation of Devices (Rev. A) Apr. 25, 2011
White paper Software-Based Ultrasound Phase Rotation Beamforming on Multicore DSP Mar. 16, 2011
White paper Software-Based Ultrasound Beamforming on Multicore DSPs Mar. 06, 2011
White paper KeyStone Memory Architecture White Paper (Rev. A) Dec. 21, 2010
User guide C66x CPU and Instruction Set Reference Guide Nov. 09, 2010
User guide C66x DSP Cache User's Guide Nov. 09, 2010
Application note Clocking Design Guide for KeyStone Devices Nov. 09, 2010
User guide General-Purpose Input/Output (GPIO) forKeyStone Devices User's Guide Nov. 09, 2010
Application note Optimizing Loops on the C66x DSP Nov. 09, 2010
User guide Telecom Serial Interface Port (TSIP) for KeyStone Devices User's Guide Nov. 09, 2010
User guide Universal Asynchronous Receiver/Transmitter (UART) for KeyStone Devices UG Nov. 09, 2010
User guide Network Coprocessor for KeyStone Devices User's Guide Nov. 02, 2010
User guide Flip Chip Ball Grid Array Package Reference Guide (Rev. A) May 23, 2005
Application note AN-1281 Bumped Die (Flip Chip) Packages (Rev. A) May 01, 2004

Design & development

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

Hardware development

EVALUATION BOARD Download
Description
Z3 develops and supports open-source software architectures focused on TI's DaVinci and AM57x processors. Products include multimedia centric framework, peripheral drivers, production modules and complete product design services. Z3 also provides system level design and integration for both wired (...)
DAUGHTER CARD Download
Sheldon DSP-FPGA boards
Provided by Sheldon Instruments, Inc.
Description
Sheldon Instruments designs and manufactures DSP based, COTS data acquisition and control hardware for PCIe/PCI, PCI104e/PCI104, XMC/PMC, and CompactPCI systems, along with drivers and real time development software for a variety of applications and markets.

Learn more about Sheldon Instruments at (...)
DEBUG PROBE Download
XDS200 USB Debug Probe
TMDSEMU200-U
295
Description

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 (...)

Features

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 (...)

DEBUG PROBE Download
995
Description

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 (...)

Features

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 (...)

DEBUG PROBE Download
1495
Description

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 (...)

Features
  • 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 (...)

DEVELOPMENT KIT Download
Description

TMS320C6678 Lite Evaluation Modules

The TMS320C6678 Lite Evaluation Modules (EVM), are easy-to-use, cost-efficient development tools that help developers quickly get started with designs using the C6678 or C6674 or C6672 multicore DSP. The EVMs include an on-board, single C6678 processor with robust (...)

Features

TMS320C6678, TMDSEVM6678E and TMDSEVM6678LXE all feature:

  • Single wide AMC like form factor
  • Single C6678 multicore processor
  • 512 MB DDR3
  • 64 MB NAND flash
  • 1MB I2C EEPROM for local boot (remote boot possible)
  • 10/100/1000 Ethernet ports on board (second port on AMC connector)
  • RS232 UART
  • User programmable LEDs (...)
INTERFACE ADAPTER Download
Hyperlink Cable
HL5CABLE
49
Description
A ½ meter long high speed cable to allow interfacing 2 EVMs via their high performance Hyperlink interfaces. EVMs supported are TMDSEVM6670L, TMDSEVM6678L, TMDSEVM6670LE, TMDSEVM6678LE, TMDSEVM6614LXE and TMDSEVM6618LXE.
INTERFACE ADAPTER Download
225
Description
This is a passive adapter card that allows select TI EVMs with a AMC header to be converted to a PCIe x4 lane edge connector so it can be inserted into a desktop PC or any where a PCIe header is utilized. The selected TI EVM must support native PCIe on the DSP. This card is a adapter and requires a (...)
Features
This adapter card contains the following features:
  • The adaptor card is a PCIe x4 lane form-factor
  • One x4 lane PCIe PCB edge finger connector
  • One AMC B+ style (170 pin) PCB edge finger connector.
  • One AMC B+ style connector housing (AMC Socket) to hold the EVM
  • Connector to provide DC power to the FAN (when (...)

Software development

SOFTWARE DEVELOPMENT KIT (SDK) Download
Processor SDK for C667x Processors - TI-RTOS support
PROCESSOR-SDK-C667X  

Processor SDK (Software Development Kit) is a unified software platform for TI embedded processors providing easy setup and fast out-of-the-box access to benchmarks and demos.  All releases of Processor SDK are consistent across TI’s broad portfolio, allowing developers to seamlessly (...)

Features

 

RTOS features

  • Full driver availability
  • Debug and instrumentation utilities
  • Board support package
  • Demonstrations and examples
  • Code Composer Studio™ IDE for RTOS development
  • Documentation

The Processor SDK is free, and does not require any run-time royalties to Texas Instruments.

 

CODE EXAMPLE OR DEMO Download
Multicore Video Infrastructure Demo for Multicore Software Development Kit (MCSDK)
DEMOVIDEO-MULTICORE This Multicore Video Infrastructure Demo package provides highly-optimized platform and video software components and enables development of real-time video applications on C66x multicore devices. The Multicore Video Infrastructure Demo gives developers the ability to evaluate performance and (...)
Features

The Multicore Video Infrastructure Demo package is built on the Multicore Software Development Kit (MCSDK) to enable the abstraction of platform, networking, and inter-core communications code. Its features include:

  • Demonstration Apps
    • Demo 1 shows multi channel high density operation with low (...)
DRIVER OR LIBRARY Download
FFT Library for Floating Point Devices
FFTLIB The Texas Instruments FFT library is an optimized floating-point math function library for computing the discrete Fourier transform (DFT).
Features
  • Supports C66x TI DSP platform for little-endian
  • Supports single-precision and double-precision floating point
  • Supports complex inputs and real inputs
  • Supports 1D, 2D and 3D FFT
  • Supports Single-core and Multi-core
  • API similar to FFTW, includes FFT plan and FFT execute
DRIVER OR LIBRARY Download
DSP Math Library for Floating Point Devices
MATHLIB — The Texas Instruments math library is an optimized floating-point math function library for C programmers using TI floating point devices. These routines are typically used in computationally intensive real-time applications where optimal execution speed is critical. By using these routines instead (...)
Features
  • Types of functions included:
    • Trigonometric and hyperbolic: Sin, Cos, Tan, Arctan, etc.
    • Power, exponential, and logarithmic
    • Reciprocal
    • Square root
    • Division
  • Natural C Source Code
  • Optimized C code with Intrinsics
  • Hand-coded assembly-optimized routines
  • C-callable routines, which can be inlined and are fully (...)
DRIVER OR LIBRARY Download
TMS320C5000/6000 Image Library (IMGLIB)
SPRC264 C5000/6000 Image Processing Library (IMGLIB) is an optimized image/video processing function library for C programmers. It includes C-callable general-purpose image/video processing routines that are typically used in computationally intensive real-time applications. With these routines, higher (...)
Features

Image Analysis

  • Image boundry and perimeter
  • Morphological operation
  • Edge detection
  • Image Histogram
  • Image thresholding

Image filtering and format conversion

  • Color space conversion
  • Image convolution
  • Image correlation
  • Error diffusion
  • Median filtering
  • Pixel expansion

Image compression and decompression

  • Forward and (...)
DRIVER OR LIBRARY Download
TMS320C6000 DSP Library (DSPLIB)
SPRC265 TMS320C6000 Digital Signal Processor Library (DSPLIB) is a platform-optimized DSP function library for C programmers. It includes C-callable, general-purpose signal-processing routines that are typically used in computationally intensive real-time applications. With these routines, higher (...)
Features

Optimized DSP routines including functions for:

  • Adaptive filtering
  • Correlation
  • FFT
  • Filtering and convolution: FIR, biquad, IIR, convolution
  • Math: Dot products, max value, min value, etc.
  • Matrix operations
DRIVER OR LIBRARY Download
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 (...)
Features

VoLIB

  • 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)  

FAXLIB

  • Fax Interface Unit (FIU)
  • Fax Modem (FM)
  • (...)
IDE, CONFIGURATION, COMPILER OR DEBUGGER Download
C6000 code generation tools - compiler
C6000-CGT — The TI C6000 C/C++ Compiler and Assembly Language Tools support development of applications for TI C6000 Digital Signal Processor platforms, including the C66x multi-core, C674x and C64x+ single-core Digital Signal Processors.
Features
  • Available in C6000 Code Generation Tools starting with v8.3.0:
    • Supports the C++14 Standard ISO/IEC 14882:2014 (C++03 is no longer supported)
  • Available in C6000 Code Generation Tools starting with release v8.2.0:
    • Conversion of floating-point values to unsigned char or short no longer generate RTS (...)
IDE, CONFIGURATION, COMPILER OR DEBUGGER Download
Code Composer Studio (CCS) Integrated Development Environment (IDE) for Multicore Processors
CCSTUDIO-KEYSTONE

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 (...)

SOFTWARE CODEC Download
CODECS- Video, Speech - for C66x-based Devices
C66XCODECS TI codecs are free, come with production licensing and are available for download now. All are production-tested for easy integration into video and voice applications. In many cases, the C64x+ codecs are provided and validated for C66x platforms. Datasheets and Release Notes are on the download (...)
Features
  • Field-hardened and tested
  • LINUX and WINDOWS installers
  • XDC packaged and validated on a standard EVM in a Codec Engine-based test
  • Both encoder and decoder are available
  • All codecs are eXpressDSP™ compliant and implement one of the XDM 1.x interfaces
  • Performance data specified in each codec Datasheet
Encode (...)
SOFTWARE CODEC Download
Vocal technologies DSP VoIP codecs
Provided by VOCAL Technologies, Ltd. — With over 25 years of assembly and C code development, VOCAL modular software suite is available for a wide variety of TI DSPs. Products include ATAs, VoIP servers and gateways, HPNA-based IPBXs, video surveillance, voice and video conferencing, voice and data RF devices, RoIP gateways, secure (...)

Design tools & simulation

SIMULATION MODEL Download
SPRM527.ZIP (24 KB) - BSDL Model
SIMULATION MODEL Download
SPRM537.ZIP (761 KB) - IBIS Model
SIMULATION MODEL Download
SPRM545D.ZIP (112 KB) - Power Model
SIMULATION MODEL Download
SPRM575.ZIP (24 KB) - BSDL Model
SIMULATION MODEL Download
SPRM742.ZIP (969314 KB) - IBIS Model
SCHEMATIC Download
SPRR159B.ZIP (133 KB)
SCHEMATIC Download
SPRR185.ZIP (3 KB)

Reference designs

REFERENCE DESIGNS Download
Implementing a Real-time Synthetic Aperture Radar (SAR) Algorithm on TI’s C6678 DSP Reference Design
TIDEP0045 This TI design shows a real-time synthetic aperture radar (SAR) implementation running on a TI's multicore TMS320C6678 digital signal processor (DSP). One of the main challenges of  SAR is to generate high resolution images in real-time, since forming the image involves computationally (...)
document-generic Schematic
REFERENCE DESIGNS Download
Using TMS320C6678 Processor to Implement Power Efficient Scalable H.265/HEVC Solution Ref Design
TIDEP0037 HEVC is an efficient, but processing intensive video standard, that is said to double the data compression ratio compared to H.264 / MPEG-4 at the same level of video quality. This design shows how a power efficient, soft H.265 / HEVC solution, that scales across resolutions, frame rates & (...)
document-generic Schematic
REFERENCE DESIGNS Download
Power Solution for C667x DSP AVS Core (CVDD) with Dynamic Voltage Scaling
TIDEP0011 This reference design aims to supply the AVS core supply (CVDD) in the Keystone Multicore DSPs, mainly the C66x series. The C66x series uses SmartReflex technology to enable the DSP to control its supply voltage. In order to meet this requirement, this design combines a Synchronous Buck Converter (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
(GYP) 841 View options
FCBGA (CYP) 841 View options

Ordering & quality

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