Overview
The TMS320C6655CZHA25 is a high-performance fixed- and floating-point Digital Signal Processor (DSP) from Texas Instruments, based on the KeyStone multicore architecture. This device features a single C66x DSP core that can operate at speeds up to 1.25 GHz, making it suitable for a broad range of applications that require high computational performance and power efficiency. The C6655 is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs, ensuring software portability and shortened development cycles. The KeyStone architecture integrates various subsystems, including the C66x core, memory subsystem, peripherals, and accelerators, to maximize intradevice and interdevice communication efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | Single C66x DSP Core |
| Core Speed | Up to 1.25 GHz |
| Fixed-Point Performance | 40 GMAC per core @ 1.25 GHz |
| Floating-Point Performance | 20 GFLOP per core @ 1.25 GHz |
| Memory | 32KB L1 P-Cache, 32KB L1 D-Cache, 1024KB L2 Cache, 1024KB Multicore Shared Memory |
| External Memory Interface | 32-bit DDR3 @ 1333 MHz |
| Package | 625-Pin FCBGA (CZH) |
| Operating Temperature Range | -40°C to 100°C |
| Process Technology | 40 nm |
Key Features
- C66x DSP Core: Supports both fixed-point and floating-point operations with industry-leading performance of 40 GMAC and 20 GFLOP per core at 1.25 GHz.
- Memory Subsystem: Includes 32KB L1 program and data cache, 1024KB dedicated memory, and 1024KB Multicore Shared Memory with error detection and correction.
- High-Speed Interfaces: Supports RapidIO 2.1, PCIe Gen2, Gigabit Ethernet, HyperLink (40 Gbaud), I2C, UART, McBSP, and Universal Parallel Port.
- Hardware Accelerators: Includes two Viterbi coprocessors and one Turbo coprocessor decoder.
- Multicore Navigator: Features 8192 multipurpose hardware queues with a queue manager and packet-based DMA for zero-overhead transfers.
- Peripheral Support: Includes 32 GPIO pins, SPI interface, and up to eight 64-bit timers.
Applications
The TMS320C6655CZHA25 is designed for a wide range of high-performance applications, including:
- Telecommunications: Supports high-speed data transfer and processing requirements in telecom infrastructure and equipment.
- Medical Imaging: Utilizes its high computational power for image processing and analysis in medical imaging devices.
- Aerospace and Defense: Suitable for radar, sonar, and other signal processing-intensive applications in the aerospace and defense sectors.
- Industrial Automation: Used in control systems and data acquisition systems that require high-speed processing and real-time data handling.
- Audio and Video Processing: Ideal for applications requiring high-performance audio and video signal processing, such as in professional audio equipment and video encoders/decoders.
Q & A
- What is the maximum operating frequency of the TMS320C6655CZHA25?
The maximum operating frequency is up to 1.25 GHz.
- What type of memory does the TMS320C6655CZHA25 support?
The device supports 32KB L1 cache, 1024KB L2 cache, and 1024KB Multicore Shared Memory. It also has a 32-bit DDR3 external memory interface).
- What are the key interfaces supported by the TMS320C6655CZHA25?
The device supports RapidIO 2.1, PCIe Gen2, Gigabit Ethernet, HyperLink, I2C, UART, McBSP, and Universal Parallel Port).
- Does the TMS320C6655CZHA25 have hardware accelerators?
Yes, it includes two Viterbi coprocessors and one Turbo coprocessor decoder).
- What is the operating temperature range of the TMS320C6655CZHA25?
The operating temperature range is -40°C to 100°C).
- Is the TMS320C6655CZHA25 backward compatible with previous DSPs?
Yes, it is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs).
- What is the package type and pin count of the TMS320C6655CZHA25?
The device is packaged in a 625-Pin FCBGA (CZH)).
- What is the process technology used in the TMS320C6655CZHA25?
The process technology is 40 nm).
- Does the TMS320C6655CZHA25 support error detection and correction?
Yes, the L2 memories incorporate error detection and error correction).
- What are some typical applications of the TMS320C6655CZHA25?
Typical applications include telecommunications, medical imaging, aerospace and defense, industrial automation, and audio/video processing).
