TMS320C6748EZCEA3 TI TMS320C674x Floating/Fixed-Point DSP 456MHz SATA LCD VPIF DDR2 EMAC USB NFBGA-361

TMS320C6748EZCEA3 Product Overview

The TMS320C6748EZCEA3 is a flagship 32-bit floating/fixed-point digital signal processor (DSP) from Texas Instruments (TI), based on the TMS320C674x core in a 361-lead NFBGA (ZCE) package, running at up to 456MHz. As the most highly integrated model in the C674x family, this chip adds a SATA controller—a first for the series—enabling direct connection to large-capacity hard drives or solid-state drives and significantly expanding the storage boundaries of embedded systems. On-chip memory includes 384KB of L2 unified mapped RAM/cache (flexibly configurable), along with 32KB L1 program cache and 32KB L1 data cache, providing ample high-speed storage for complex algorithms, real-time operating systems, and multimedia frameworks. The TMS320C6748EZCEA3 offers comprehensive peripheral and interconnect resources: 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 SATA controller supports a 1.5Gbps SATA-I interface for connecting 2.5-inch HDDs or SSDs. The video and display subsystem includes an integrated LCD controller and Video Port Interface (VPIF), capable of directly driving TFT displays and connecting to image sensors. Additionally, 3 McASPs, 2 SPIs, 2 I2Cs, 3 UARTs, and a universal parallel port (uPP) provide ample interfaces for audio and high-speed data interaction; eCAP and eQEP meet industrial motion control needs. Leveraging the C674x core's Very Long Instruction Word (VLIW) architecture, this chip delivers up to 2736 MFLOPS of floating-point performance and 3648 MIPS of fixed-point performance at 456MHz, making it the ideal core for high-end audio processing, intelligent video analysis, industrial automation, medical imaging, and storage-intensive embedded systems. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

TMS320C6748EZCEA3 Core Features

Processor Core: TMS320C674x floating/fixed-point VLIW DSP core, up to 456MHz, 3648 MIPS / 2736 MFLOPS. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

On-Chip Memory: 32KB L1P cache + 32KB L1D cache + 384KB L2 unified mapped RAM/cache (configurable). The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

DDR2 EMIF: 16-bit DDR2-456 interface, up to 1600Mbps, supporting up to 256MB external SDRAM. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

EMIFA: 16-bit asynchronous external memory interface, supporting NAND/NOR Flash, SRAM, etc. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

SATA Controller: Integrated 1.5Gbps SATA-I interface, directly connectable to HDD or SSD for large-capacity local storage. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Network Interface: 10/100 Ethernet MAC (EMAC), supporting MII/RMII interfaces. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

USB: USB 2.0 OTG (High-Speed) + USB 1.1 OHCI Host, connecting to various USB devices. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Display & Video Interfaces: Integrated LCD controller (supports TFT/LCD panels) + Video Port Interface (VPIF) for image sensors or video decoders. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Audio & Serial Interfaces: 3× McASP, 2× SPI, 2× I2C, 3× UART, all with DMA support; Universal Parallel Port (uPP). The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Control Peripherals: eCAP capture module, eQEP quadrature encoder interface, 3× 64-bit general-purpose timers. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Power & Package: Core voltage 1.2V, I/O voltage 3.3V/1.8V; 361-lead NFBGA (ZCE) package. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

TMS320C6748EZCEA3 Applications

Smart Video & Image Processing: Machine vision cameras, industrial endoscopes, biometric identification terminals, license plate recognition systems. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Professional Audio & Broadcast: Digital audio matrices, broadcast-grade effects, multi-channel recording systems, instrument modeling processors. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Industrial Automation & HMI: Servo drives with LCD display, industrial touchscreen controllers, embedded data acquisition and display terminals. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Medical Instruments: Portable ultrasound diagnostic equipment, endoscope image processing, multi-parameter patient monitors, biosignal analysis platforms. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Storage-Intensive Embedded Systems: Data recorders, audio/video streaming servers, industrial IoT edge gateways (utilizing SATA for large-capacity storage). The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

TMS320C6748EZCEA3 Key Advantages

Flagship Performance & Storage Expansion: The 456MHz clock delivers 2736 MFLOPS/3648 MIPS of powerful processing, with 384KB L2 RAM providing ample cache for algorithms; the unique SATA interface directly connects to HDDs or SSDs for massive local data storage—a feature absent in the C6745/C6747. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Integrated LCD & Video Input: The built-in LCD controller directly drives color TFT displays, and the VPIF connects to CMOS/CCD cameras or video decoders, eliminating the need for external display or capture chips and significantly simplifying HMI and vision system design. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Rich Networking & USB Connectivity: EMAC provides standard Ethernet access, while USB 2.0 OTG and USB 1.1 Host flexibly connect to USB drives, Wi-Fi modules, Bluetooth adapters, or USB audio devices, meeting diverse communication needs. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Multi-Channel Audio & High-Speed Parallel Data: Three McASPs can simultaneously handle multiple independent audio streams, and the uPP provides a direct connection to FPGAs or high-speed ADCs/DACs, suitable for software-defined radio, high-speed data acquisition, and professional audio systems. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Complete Industrial Control Interfaces: eQEP directly interfaces with incremental encoders, and eCAP precisely measures pulse parameters—combined with powerful DSP computation, they easily enable high-performance servo drives and motion control. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

Compact Package & Mature Ecosystem: The 361-lead NFBGA package integrates high-end peripherals such as SATA, LCD, and VPIF in a limited space; free Code Composer Studio IDE and extensive DSP libraries accelerate time-to-market. The TMS320C6748EZCEA3 is a powerful DSP solution. TMS320C6748EZCEA3 offers excellent integration and performance.

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FAQ

1. How does the TMS320C6748EZCEA3 differ from the TMS320C6747?
   
   • The TMS320C6748 adds a SATA controller over the C6747, enabling direct connection to large-capacity HDDs or SSDs for significantly enhanced storage expansion.
   • The C6748 increases L2 RAM to 384KB (vs. 256KB on the C6747), providing more high-speed cache for complex algorithms and multimedia frameworks.
   • Other core peripherals (DDR2 EMIF, EMAC, USB, LCD, VPIF, McASP, etc.) remain highly consistent, allowing direct software migration.
2. What floating- and fixed-point performance can be expected at 456MHz?
   
   • At 456MHz, the C674x core 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, it is well-suited for mixed workloads including FFT, digital filtering, image processing, and real-time control.
3. What can the SATA interface be used for? Is the speed sufficient?
   
   • The SATA controller supports a 1.5Gbps SATA-I interface, directly connecting to 2.5-inch HDDs, SSDs, or CFast cards.
   • It is suitable for large-capacity data recording, audio/video file storage, local database caching, and more, greatly expanding the storage boundaries of embedded DSPs.
4. What can the LCD controller and VPIF be used for?
   
   • The LCD controller directly drives TFT color LCD panels, enabling embedded human-machine interfaces without external display chips.
   • VPIF receives digital video streams from CMOS cameras or video decoders for image capture, machine vision, and video analysis.
5. What capacity does the DDR2 EMIF support?
   
   • The 16-bit DDR2 EMIF 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.
6. What audio interfaces does the chip support? How many audio channels can be connected simultaneously?
   
   • It provides 3 multi-channel audio serial ports (McASP), all supporting I2S, TDM, and other formats, directly connectable to audio ADCs/DACs/Codecs.
   • Each McASP can carry multiple serial data channels, enabling the system to handle multiple independent audio streams simultaneously, meeting the demands of professional multi-channel recording and audio matrix applications.
7. What tools and software are needed for development?
   
   • Use TI's free Code Composer Studio (CCS) IDE for development and debugging.
   • Hardware debuggers such as the XDS100 or XDS200 series are recommended, supporting JTAG in-circuit programming and real-time debugging.
   • TI provides extensive C674x DSP libraries, including FFT, filtering, and image processing functions, to quickly build algorithm prototypes.
8. What boot modes does the chip support?
   
   • It supports booting from EMIFA (NOR/NAND Flash), SPI Flash, I2C EEPROM, UART, USB, and other interfaces, offering high flexibility.
   • The most suitable boot medium can be selected based on system requirements, simplifying production flow.
9. Is the NFBGA-361 package difficult to solder?
   
   • The NFBGA-361 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 can be reliably maintained.
10. What is the uPP universal parallel port used for?
    
    • The uPP 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.