TMS320C6747DZKBD4 TI TMS320C674x Floating/Fixed-Point DSP 456MHz LCD VPIF DDR2 EMAC USB BGA-256

TMS320C6747DZKBD4 Product Overview

The TMS320C6747DZKBD4 is a flagship 32-bit floating/fixed-point digital signal processor (DSP) from Texas Instruments (TI), based on the TMS320C674x core in a 256-lead BGA (ZKB) package, running at up to 456MHz. The TMS320C6747DZKBD4 is the high-end model in the C674x family with integrated video and display interfaces, and the TMS320C6747DZKBD4 significantly enhances human-machine interaction and image acquisition capabilities while delivering powerful signal processing. On-chip memory includes 256KB of L2 unified mapped RAM/cache, along with 32KB L1 program cache and 32KB L1 data cache, providing an efficient memory architecture for complex algorithms and real-time operating systems. The TMS320C6747DZKBD4 offers comprehensive peripheral integration: a 16-bit DDR2 EMIF provides up to 1600Mbps of external memory bandwidth, and a 16-bit EMIFA expands to NAND/NOR Flash; a 10/100 EMAC supports standard Ethernet communication; USB 2.0 OTG and USB 1.1 OHCI Host offer flexible connectivity to USB drives, audio devices, or Bluetooth adapters. The TMS320C6747DZKBD4's unique video and display features include an integrated LCD controller that directly drives TFT/LCD panels, and a Video Port Interface (VPIF) that seamlessly connects to CMOS/CCD image sensors or video decoders for image capture. Additionally, 3 McASPs, 2 SPIs, 2 I2Cs, 3 UARTs, and a universal parallel port (uPP) provide ample interfaces for audio and high-speed data transfer; eCAP and eQEP meet industrial motion control needs. Leveraging the C674x core's Very Long Instruction Word (VLIW) architecture, the TMS320C6747DZKBD4 delivers up to 2736 MFLOPS of floating-point performance and 3648 MIPS of fixed-point performance at 456MHz, making it ideal for compute-intensive applications such as high-performance audio/video processing, image analysis, industrial automation, and high-end medical imaging. The compact BGA-256 package is suitable for space-constrained embedded designs that demand ultimate performance.

TMS320C6747DZKBD4 Core Features

Processor Core: The TMS320C6747DZKBD4 features a TMS320C674x floating/fixed-point VLIW DSP core, up to 456MHz, 3648 MIPS / 2736 MFLOPS.

On-Chip Memory: The TMS320C6747DZKBD4 provides 32KB L1P cache + 32KB L1D cache + 256KB L2 unified mapped RAM/cache (configurable).

DDR2 EMIF: The TMS320C6747DZKBD4 integrates a 16-bit DDR2-456 interface, up to 1600Mbps, supporting up to 256MB external SDRAM.

EMIFA: The TMS320C6747DZKBD4 includes a 16-bit asynchronous external memory interface, supporting NAND/NOR Flash, SRAM, etc.

Network Interface: The TMS320C6747DZKBD4 is equipped with a 10/100 Ethernet MAC (EMAC), supporting MII/RMII interfaces.

USB: The TMS320C6747DZKBD4 offers USB 2.0 OTG (High-Speed) + USB 1.1 OHCI Host, connecting to various USB devices.

Display & Video Interfaces: The TMS320C6747DZKBD4 contains an integrated LCD controller (supports TFT/LCD panels) + Video Port Interface (VPIF) for image sensors or video decoders.

Audio & Serial Interfaces: The TMS320C6747DZKBD4 provides 3× McASP, 2× SPI, 2× I2C, 3× UART, all with DMA support; Universal Parallel Port (uPP).

Control Peripherals: The TMS320C6747DZKBD4 incorporates an eCAP capture module, eQEP quadrature encoder interface, and 3× 64-bit general-purpose timers.

Power & Package: The TMS320C6747DZKBD4 operates with core voltage 1.2V, I/O voltage 3.3V/1.8V; it comes in a 256-lead BGA (ZKB) package.

TMS320C6747DZKBD4 Applications

Smart Video & Image Processing: The TMS320C6747DZKBD4 is ideal for machine vision cameras, industrial endoscopes, biometric identification terminals, and license plate recognition systems.

Professional Audio & Broadcast: The TMS320C6747DZKBD4 enables digital audio matrices, broadcast-grade effects, multi-channel recording systems, and instrument modeling processors.

Industrial Automation & HMI: The TMS320C6747DZKBD4 is deployed in servo drives with LCD display, industrial touchscreen controllers, and embedded data acquisition and display terminals.

Medical Instruments: The TMS320C6747DZKBD4 supports portable ultrasound diagnostic equipment, endoscope image processing, multi-parameter patient monitors, and biosignal analysis platforms.

Communications & Networking: The TMS320C6747DZKBD4 is used in software-defined radio, Ethernet audio bridging, and industrial IoT gateways.

TMS320C6747DZKBD4 Key Advantages

Flagship Floating/Fixed-Point Performance: The TMS320C6747DZKBD4 delivers 2736 MFLOPS floating-point and 3648 MIPS fixed-point processing power at 456MHz, comfortably handling complex audio effects, image recognition, and real-time control algorithms.

Integrated LCD & Video Input: The TMS320C6747DZKBD4 features a unique LCD controller that directly drives color TFT displays, and the VPIF connects to image sensors, eliminating the need for external display or capture chips.

Rich Memory & High-Speed Interfaces: The TMS320C6747DZKBD4 provides a DDR2 EMIF for large-capacity high-speed data buffering and an EMIFA that connects to Flash and SRAM, while EMAC and USB OTG offer flexible networking and external device connectivity.

Multi-Channel Audio & Parallel Data: Three McASPs on the TMS320C6747DZKBD4 satisfy multi-channel digital audio transmission/reception, and the uPP provides high-speed parallel communication with FPGAs or high-speed ADCs/DACs.

Complete Industrial Control Interfaces: The TMS320C6747DZKBD4 includes eQEP to directly interface with incremental encoders and eCAP to precisely measure pulse parameters, easily enabling high-performance servo drives and motion control.

Compact BGA-256 Package: The TMS320C6747DZKBD4 packs rich peripherals into a small 256-lead BGA footprint, suitable for space-constrained embedded vision and audio processing modules.

Mature Development Ecosystem: The TMS320C6747DZKBD4 is fully supported by free Code Composer Studio (CCS) IDE and DSP/BIOS real-time operating system, accelerating prototype verification to production.

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FAQ

1. How does the TMS320C6747DZKBD4 differ from the TMS320C6745?
   
   • The TMS320C6747DZKBD4 adds an LCD controller and Video Port Interface (VPIF), enabling direct display driving and image sensor connection, which the C6745 lacks.
   • The TMS320C6747DZKBD4 runs at a higher clock speed (456MHz vs. the C6745's 300MHz), delivering significantly higher processing performance for compute-intensive audio/video applications.
   • Other core peripherals (DDR2 EMIF, EMAC, USB, McASP, etc.) remain largely consistent between the two.
2. What floating- and fixed-point performance can be expected at 456MHz?
   
   • At 456MHz, the C674x core of the TMS320C6747DZKBD4 delivers up to 2736 MFLOPS of single-precision floating-point performance and 3648 MIPS of fixed-point instruction throughput.
   • With the VLIW architecture executing up to 8 instructions per cycle, the TMS320C6747DZKBD4 is well-suited for mixed workloads including FFT, digital filtering, image processing, and real-time control.
3. What can the LCD controller and VPIF be used for?
   
   • The LCD controller on the TMS320C6747DZKBD4 directly drives TFT color LCD panels, enabling embedded human-machine interfaces without external display chips.
   • The VPIF of the TMS320C6747DZKBD4 receives digital video streams from CMOS cameras or video decoders for image capture, machine vision, and video analysis.
4. What capacity does the DDR2 EMIF support?
   
   • The 16-bit DDR2 EMIF of the TMS320C6747DZKBD4 supports up to 256MB of external DDR2 SDRAM, with an interface speed of 456MHz (DDR2-912), providing up to 1600Mbps theoretical bandwidth.
   • This capacity and bandwidth provide ample headroom for audio/video processing, image frame buffering, and large program execution on the TMS320C6747DZKBD4.
5. What audio interfaces does the chip support? How many audio channels can be connected simultaneously?
   
   • The TMS320C6747DZKBD4 provides 3 multi-channel audio serial ports (McASP), all supporting I2S, TDM, and other formats, directly connectable to audio ADCs/DACs/Codecs.
   • Each McASP on the TMS320C6747DZKBD4 can carry multiple serial data channels, enabling the TMS320C6747DZKBD4 to handle multiple independent audio streams simultaneously.
6. What tools and software are needed for development?
   
   • Use TI's free Code Composer Studio (CCS) IDE for development and debugging of the TMS320C6747DZKBD4.
   • Hardware debuggers such as the XDS100 or XDS200 series are recommended, supporting JTAG in-circuit programming and real-time debugging of the TMS320C6747DZKBD4.
   • TI provides extensive C674x DSP libraries to quickly build algorithm prototypes on the TMS320C6747DZKBD4.
7. What boot modes does the chip support?
   
   • The TMS320C6747DZKBD4 supports booting from EMIFA (NOR/NAND Flash), SPI Flash, I2C EEPROM, UART, USB, and other interfaces.
   • The most suitable boot medium can be selected based on system requirements, simplifying the production flow for the TMS320C6747DZKBD4.
8. Is the BGA-256 package difficult to solder?
   
   • The BGA-256 of the TMS320C6747DZKBD4 is a ball grid array package; professional reflow soldering processes and X-ray inspection equipment are recommended to ensure soldering reliability.
   • Following TI's recommended land pattern and reflow profile, production yields for the TMS320C6747DZKBD4 can be reliably maintained.
9. What is the uPP universal parallel port used for?
   
   • The uPP of the TMS320C6747DZKBD4 provides a high-speed parallel data transfer channel, directly connecting to FPGAs, high-speed ADCs/DACs, or image sensors.
   • It is suitable for applications such as software-defined radio, high-speed data acquisition, and custom peripheral expansion that require high-bandwidth interfaces with the TMS320C6747DZKBD4.
10. What are the upgrade options if I need more memory or higher performance?
    
    • Within the same family, the TMS320C6748 adds a SATA controller and larger L2 RAM, providing an upgrade path from the TMS320C6747DZKBD4.
    • For ARM+DSP heterogeneous processing, consider TI's OMAP-L138 or the 66AK2Gx series as alternatives to the TMS320C6747DZKBD4.