Overview
The TMS320C6655GZHA is a high-performance fixed- and floating-point Digital Signal Processor (DSP) from Texas Instruments, based on the KeyStone multicore architecture. This device incorporates the innovative C66x DSP core, capable of operating at core speeds up to 1.25 GHz. It is designed to be power-efficient and easy to use, making it a versatile platform for a broad range of applications. The C6655 is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs, ensuring seamless integration with existing systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | 625-pin FCBGA (GZH) |
| Operating Temperature Range | –40°C to 100°C (Extended), 0°C to 85°C (Commercial) |
| 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 |
| On-Chip Memory | 1024KB Multicore Shared Memory, 32KB L1 Program and Data Cache |
| External Memory Interface | 32-bit DDR-3 EMIF @ 1333 MHz, ECC DRAM support |
| Interfaces | RapidIO ver 2, PCI Express Gen2, Gigabit Ethernet, I2C, UART, McBSP, Universal Parallel Port, SPI, HyperLink |
| Timers | Up to Eight 64-Bit Timers |
| PLLs | Two On-Chip PLLs |
| GPIO Pins | 32 GPIO Pins |
Key Features
- One TMS320C66x DSP Core Subsystem (CorePac) with up to 1.25 GHz core speed
- High performance with 40 GMAC for fixed point and 20 GFLOP for floating point operations
- Multicore Shared Memory Controller (MSMC) with 1024KB MSM SRAM Memory
- 4GB of Addressable Memory Space
- 16-Bit EMIF supporting SDR and DDR transfers
- Two UART Interfaces, Two Multichannel Buffered Serial Ports (McBSPs), and I2C Interface
- 32 GPIO Pins, SPI Interface, and Semaphore Module
- Up to Eight 64-Bit Timers and Two On-Chip PLLs
- Four Lanes of SRIO 2.1 and HyperLink interface for high throughput communication
Applications
The TMS320C6655GZHA is suitable for a wide range of high-performance applications, including:
- Telecommunications infrastructure
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial automation and control
- High-speed data acquisition and processing
- Embedded systems requiring advanced signal processing
Q & A
- What is the core speed of the TMS320C6655GZHA?
The core speed can be up to 1.25 GHz.
- What type of memory does the TMS320C6655GZHA have?
The device includes 1024KB Multicore Shared Memory, 32KB L1 Program and Data Cache, and supports up to 4GB of addressable memory space.
- What interfaces are supported by the TMS320C6655GZHA?
The device supports RapidIO ver 2, PCI Express Gen2, Gigabit Ethernet, I2C, UART, McBSP, Universal Parallel Port, SPI, and HyperLink.
- How many GPIO pins does the TMS320C6655GZHA have?
The device has 32 GPIO pins.
- What is the operating temperature range of the TMS320C6655GZHA?
The operating temperature range is –40°C to 100°C (Extended) and 0°C to 85°C (Commercial).
- Is the TMS320C6655GZHA backward compatible with other DSPs?
Yes, it is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs.
- What is the performance of the TMS320C6655GZHA in terms of GMAC and GFLOP?
The device offers 40 GMAC for fixed point and 20 GFLOP for floating point operations at 1.25 GHz.
- Does the TMS320C6655GZHA support ECC DRAM?
Yes, it supports ECC DRAM through its 32-bit DDR-3 EMIF.
- How many timers does the TMS320C6655GZHA have?
The device has up to eight 64-bit timers.
- What is the HyperLink interface used for?
The HyperLink interface is used for high throughput, low latency communication between devices or with an FPGA.
