Overview
The TMS320C6655CZH25 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 TMS320C66x DSP core subsystem, operating at speeds of up to 1.25 GHz. It is designed to provide a power-efficient and easy-to-use platform for a broad range of applications, including signal processing, mathematical computations, and image acquisition. The C6655 is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs, ensuring software portability and shortened software development cycles.
Key Specifications
| Specification | Details |
|---|---|
| Package | FCBGA (CZH) with 625 pins |
| Operating Frequency | Up to 1.25 GHz |
| Core Performance | 40 GMAC per core for fixed point, 20 GFLOP per core for floating point @ 1.25 GHz |
| On-Chip Memory | 32KB L1 program and data cache, 1024KB dedicated memory, 1024KB Multicore Shared Memory |
| External Memory Interface | 32-bit DDR-3 EMIF, 1333 MHz, ECC DRAM support |
| Temperature Range | Commercial: 0°C to 85°C, Extended: –40°C to 100°C |
| Interfaces | RapidIO 2.1, PCI Express Gen2, Gigabit Ethernet, I2C, UART, McBSP, Universal Parallel Port, SPI, HyperLink |
| Timers and PLLs | Up to eight 64-bit timers, two on-chip PLLs |
| GPIO and Other Peripherals | 32 GPIO pins, Semaphore Module, Viterbi and Turbo Coprocessors |
Key Features
- Single TMS320C66x DSP core subsystem with up to 1.25 GHz operating frequency
- High computational performance: 40 GMAC per core for fixed point and 20 GFLOP per core for floating point
- Large on-chip memory: 32KB L1 cache, 1024KB dedicated memory, and 1024KB Multicore Shared Memory
- Support for high-speed interfaces: RapidIO 2.1, PCI Express Gen2, Gigabit Ethernet, and HyperLink
- Multiple peripherals: I2C, UART, McBSP, Universal Parallel Port, SPI, and GPIO pins
- Backward code compatibility with C6000 family of DSPs
- Integrated Viterbi and Turbo Coprocessors for enhanced signal processing
- Semaphore Module and up to eight 64-bit timers
Applications
- Power Protection Systems
- Avionics and Defense
- Currency Inspection and Machine Vision
- Medical Imaging
- Industrial Transportation Systems
- Other Embedded Systems
Q & A
- What is the operating frequency of the TMS320C6655CZH25?
The TMS320C6655CZH25 operates at frequencies up to 1.25 GHz.
- What type of memory does the TMS320C6655CZH25 have?
The device includes 32KB L1 program and data cache, 1024KB dedicated memory, and 1024KB Multicore Shared Memory.
- What high-speed interfaces does the TMS320C6655CZH25 support?
The device supports RapidIO 2.1, PCI Express Gen2, Gigabit Ethernet, and HyperLink.
- Is the TMS320C6655CZH25 backward compatible with previous DSPs?
Yes, it is backward code-compatible with the C6000 family of fixed- and floating-point DSPs.
- What are the temperature ranges for the TMS320C6655CZH25?
The commercial temperature range is 0°C to 85°C, and the extended temperature range is –40°C to 100°C.
- What peripherals are available on the TMS320C6655CZH25?
The device includes I2C, UART, McBSP, Universal Parallel Port, SPI, and 32 GPIO pins.
- Does the TMS320C6655CZH25 support external memory?
Yes, it has a 32-bit DDR-3 external memory interface (EMIF) running at 1333 MHz with ECC DRAM support.
- What is the HyperLink interface used for?
The HyperLink interface is a 40-Gbaud full-duplex interface for high-throughput, low-latency communication between devices or with an FPGA.
- What coprocessors are integrated into the TMS320C6655CZH25?
The device includes Viterbi and Turbo Coprocessors for enhanced signal processing.
- How many timers does the TMS320C6655CZH25 have?
The device has up to eight 64-bit timers.
