Overview
The TMS320C6657CZHA25 is a high-performance dual-core digital signal processor (DSP) from Texas Instruments, part of the C66x family. This device is designed to deliver exceptional processing power for a wide range of applications, including telecommunications, medical imaging, and industrial automation. The C6657 features two C66x DSP core subsystems, each capable of operating at frequencies up to 1.25 GHz, providing 40 GMACs for fixed-point operations and 20 GFLOPs for floating-point operations per core.
Key Specifications
| Specification | Details |
|---|---|
| Number of Cores | 2 |
| Core Frequency | Up to 1.25 GHz |
| Fixed-Point Performance | 40 GMACs per core |
| Floating-Point Performance | 20 GFLOPs per core |
| Memory | 1024KB Multicore Shared Memory (MSM SRAM), 32KB L1 Program and Data Cache per core, 1024KB L2 Unified Memory/Cache |
| External Memory Interface | 32-bit DDR3 interface, DDR3-1333, up to 4GB addressable memory space |
| Peripherals | Four lanes of SRIO 2.1, PCIe Gen2 (single port, 1 or 2 lanes), Gigabit Ethernet (GbE) subsystem, two UART interfaces, two McBSPs, I2C interface, SPI interface, 32 GPIO pins |
| 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 |
| Voltage | Core: SmartReflex™ variable supply; I/O: 1.0 V, 1.5 V, and 1.8 V |
Key Features
- Dual-core C66x fixed and floating-point DSP cores with backward code compatibility with previous C6000 DSP cores.
- High-performance multicore shared memory controller (MSMC) with 1024KB MSM SRAM.
- Advanced peripherals including SRIO 2.1, PCIe Gen2, Gigabit Ethernet, and HyperLink for high-speed interconnects.
- Hardware accelerators such as Viterbi coprocessors and Turbo coprocessor decoder.
- Support for direct I/O and message passing through Multicore Navigator and TeraNet switch fabric.
- Low-power design with SmartReflex™ variable supply and multiple voltage options.
- Comprehensive development support through Multicore Software Development Kits (MCSDK).
Applications
The TMS320C6657CZHA25 is suited for a variety of high-performance applications, including:
- Telecommunications: Baseband processing, radio network controllers, and wireless infrastructure.
- Medical Imaging: MRI, CT scanners, and ultrasound equipment.
- Industrial Automation: Control systems, motor control, and industrial networking.
- Aerospace and Defense: Radar systems, communication systems, and signal processing.
- Test and Measurement: High-speed data acquisition and signal processing.
Q & A
- What is the maximum operating frequency of the TMS320C6657CZHA25?
The maximum operating frequency is up to 1.25 GHz. - How many cores does the TMS320C6657CZHA25 have?
The device has two C66x DSP core subsystems. - What is the fixed-point performance of each core?
Each core provides 40 GMACs for fixed-point operations. - What is the floating-point performance of each core?
Each core provides 20 GFLOPs for floating-point operations. - What type of external memory interface does the device support?
The device supports a 32-bit DDR3 interface with DDR3-1333 and up to 4GB addressable memory space. - What peripherals are available on the TMS320C6657CZHA25?
The device includes peripherals such as SRIO 2.1, PCIe Gen2, Gigabit Ethernet, UART, McBSP, I2C, SPI, and GPIO. - What is the purpose of the Multicore Navigator?
The Multicore Navigator enables efficient data management between various device components and supports packet-based DMA for zero-overhead transfers. - What is the HyperLink feature used for?
HyperLink provides a 40-Gbaud chip-level interconnect for high-speed interdevice communication. - Is the TMS320C6657CZHA25 backward compatible with previous TI DSP cores?
Yes, the C66x core is backward code-compatible with TI's previous generation C6000 fixed and floating-point DSP cores. - What development tools are available for the TMS320C6657CZHA25?
The device is supported by Multicore Software Development Kits (MCSDK) and other development tools from Texas Instruments.
