Overview
The Texas Instruments TMS320C6657CZH is a high-performance, dual-core digital signal processor (DSP) based on the KeyStone multicore architecture. This device features two TMS320C66x DSP core subsystems, each capable of operating at speeds of up to 1.25 GHz. The C6657 is designed for computation-intensive real-time applications, offering backward code compatibility with previous C6000 family DSPs, which ensures software portability and reduces development time. The KeyStone architecture integrates various subsystems, including C66x cores, memory, peripherals, and accelerators, to maximize intradevice and interdevice communication efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Series | TMS320C6657 |
| Part Number | TMS320C6657CZH |
| Package Type | 625-Pin FCBGA (CZH) |
| Package Size | 21 mm x 21 mm |
| Operating Temperature Range | 0°C to 85°C (Commercial), -40°C to 100°C (Extended) |
| DSP Cores | Two TMS320C66x DSP Core Subsystems |
| 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 | 1024 KB MSM SRAM, 2048 KB L2 Cache |
| External Memory | 32-Bit DDR3 Interface, DDR3-1333 |
| Peripherals | PCIe Gen2, Gigabit Ethernet, SRIO 2.1, HyperLink, UART, McBSP, SPI, I2C |
| Hardware Accelerators | Two Viterbi Coprocessors, One Turbo Coprocessor Decoder |
Key Features
- Dual-Core Architecture: Two TMS320C66x DSP core subsystems, each with up to 1.25 GHz operating frequency.
- High Performance: 40 GMAC per core for fixed point and 20 GFLOP per core for floating point at 1.25 GHz.
- Memory and Storage: 1024 KB MSM SRAM, 2048 KB L2 Cache, and 32-Bit DDR3 interface supporting DDR3-1333.
- Hardware Accelerators: Two Viterbi coprocessors and one Turbo coprocessor decoder.
- Peripherals: PCIe Gen2, Gigabit Ethernet, SRIO 2.1, HyperLink, UART, McBSP, SPI, and I2C.
- Multicore Navigator: 8192 multipurpose hardware queues with queue manager for efficient data management.
- Packet-Based DMA: Zero-overhead transfers for enhanced performance.
- Backward Compatibility: Code-compatible with previous C6000 family DSPs.
Applications
- Avionics & Defense: Suitable for real-time processing in military and aerospace applications.
- Communications: Used in high-speed data processing for communication systems.
- Machine Vision: Ideal for image and signal processing in machine vision applications.
- Audio Processing: Optimized for audio benchmarking and real-time audio processing.
Q & A
- What is the TMS320C6657CZH?
The TMS320C6657CZH is a dual-core digital signal processor from Texas Instruments, part of the KeyStone multicore architecture. - What are the core frequencies of the TMS320C6657CZH?
The cores can operate at speeds of up to 1.25 GHz. - What type of memory does the TMS320C6657CZH have?
The device features 1024 KB MSM SRAM, 2048 KB L2 Cache, and a 32-Bit DDR3 interface. - What peripherals are supported by the TMS320C6657CZH?
It supports PCIe Gen2, Gigabit Ethernet, SRIO 2.1, HyperLink, UART, McBSP, SPI, and I2C. - Is the TMS320C6657CZH backward compatible with previous DSPs?
Yes, it is backward code-compatible with previous C6000 family DSPs. - What are the operating temperature ranges for the TMS320C6657CZH?
The device operates in the range of 0°C to 85°C (Commercial) and -40°C to 100°C (Extended). - What is the package type and size of the TMS320C6657CZH?
The package type is 625-Pin FCBGA (CZH), with a size of 21 mm x 21 mm. - What are the key applications of the TMS320C6657CZH?
It is used in avionics & defense, communications, machine vision, and audio processing. - Does the TMS320C6657CZH have hardware accelerators?
Yes, it includes two Viterbi coprocessors and one Turbo coprocessor decoder. - How many hardware queues does the Multicore Navigator support?
The Multicore Navigator supports 8192 multipurpose hardware queues.
