Overview
The TMS320C6655SCZH is a high-performance fixed- and floating-point digital signal processor (DSP) from Texas Instruments, based on the KeyStone multicore architecture. This device is part of the C665x family, which integrates various subsystems including C66x cores, memory subsystem, peripherals, and accelerators to maximize intradevice and interdevice communication. The TMS320C6655 features a single C66x DSP core subsystem, operating at frequencies up to 1.25 GHz, making it suitable for demanding signal processing applications.
Key Specifications
| Specification | Details |
|---|---|
| Number of Cores | 1 C66x DSP Core Subsystem |
| Core Frequency | 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 |
| On-Chip Memory | 32KB L1 Program Memory, 32KB L1 Data Memory, 1024KB L2 Unified Memory/Cache, 1024KB Multicore Shared Memory |
| External Memory Interface | 32-bit DDR3 EMIF, DDR3-1333, ECC DRAM support |
| Peripherals | High-speed Serial RapidIO, PCIe Gen2, Gigabit Ethernet, HyperLink, EMIF16, McBSP, SPI, UART, I2C, GPIO |
| Package | 625-Pin Flip-Chip Plastic BGA (CZH or GZH), 21 mm × 21 mm, 0.80 mm pitch |
| Operating Temperature | -40°C to 100°C |
| Core Voltage | SmartReflex™ variable supply, 1.0 V, 1.5 V, and 1.8 V |
Key Features
- High-Performance Cores: The C66x core provides high performance for both fixed-point and floating-point operations, with 40 GMAC and 20 GFLOP per core at 1.25 GHz.
- KeyStone Architecture: Integrates various subsystems including C66x cores, memory subsystem, peripherals, and accelerators to maximize intradevice and interdevice communication.
- Multicore Shared Memory Controller (MSMC): Allows access to shared and external memory directly without drawing from switch fabric capacity.
- Multicore Navigator: Enables efficient data management between device components and supports packet-based DMA for zero-overhead transfers.
- HyperLink: Provides a 40-Gbaud chip-level interconnect for chip-to-chip interconnections, ideal for resource scalability.
- Peripheral Interfaces: Includes high-speed Serial RapidIO, PCIe Gen2, Gigabit Ethernet, EMIF16, McBSP, SPI, UART, I2C, and GPIO.
- Hardware Accelerators: Features Viterbi coprocessors and a Turbo coprocessor decoder for enhanced signal processing capabilities.
Applications
The TMS320C6655SCZH is suitable for a variety of demanding signal processing applications, including:
- Telecommunications: Baseband processing, radio network controllers, and other telecom infrastructure.
- Medical Imaging: MRI, CT scans, and other medical imaging technologies that require high-performance signal processing.
- Aerospace and Defense: Radar, sonar, and other defense-related signal processing applications.
- Industrial Automation: High-performance control systems and data acquisition.
- Video and Image Processing: Video encoding, decoding, and other image processing tasks.
Q & A
- What is the maximum operating frequency of the TMS320C6655SCZH?
The maximum operating frequency is up to 1.25 GHz.
- How many cores does the TMS320C6655SCZH have?
The TMS320C6655SCZH has one C66x DSP core subsystem.
- What is the fixed-point performance of the C66x core?
The fixed-point performance is 40 GMAC per core at 1.25 GHz.
- What type of external memory interface does the TMS320C6655SCZH support?
The device supports a 32-bit DDR3 EMIF with DDR3-1333 and ECC DRAM support.
- What is the purpose of the HyperLink interface?
The HyperLink interface provides a 40-Gbaud chip-level interconnect for chip-to-chip interconnections, enabling resource scalability.
- What are some of the peripheral interfaces available on the TMS320C6655SCZH?
The device includes high-speed Serial RapidIO, PCIe Gen2, Gigabit Ethernet, EMIF16, McBSP, SPI, UART, I2C, and GPIO.
- What is the role of the Multicore Navigator in the KeyStone architecture?
The Multicore Navigator enables efficient data management between device components and supports packet-based DMA for zero-overhead transfers.
- What is the operating temperature range of the TMS320C6655SCZH?
The operating temperature range is -40°C to 100°C.
- What is the package type and size of the TMS320C6655SCZH?
The device is packaged in a 625-Pin Flip-Chip Plastic BGA (CZH or GZH), with dimensions of 21 mm × 21 mm and a 0.80 mm pitch.
- What are some typical applications of the TMS320C6655SCZH?
Typical applications include telecommunications, medical imaging, aerospace and defense, industrial automation, and video and image processing.
