Overview
The TMS320C6655CZH is a high-performance, single-core digital signal processor (DSP) from Texas Instruments, based on the KeyStone multicore architecture. This device features the innovative C66x DSP core, capable of operating at speeds up to 1.25 GHz. It is designed to provide a power-efficient and user-friendly platform for a wide range of applications. The C6655 is fully backward compatible with the existing C6000 family of fixed- and floating-point DSPs, ensuring software portability and reducing development cycles for migrating applications.
Key Specifications
| Specification | Details |
|---|---|
| Package | FCBGA (CZH) with 625 pins |
| Operating Temperature Range | 0°C to 85°C (Commercial), –40°C to 100°C (Extended) |
| 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 | 32KB L1 program and data cache, 1024KB dedicated memory, 1024KB Multicore Shared Memory |
| External Memory Interface | 32-bit DDR-3 EMIF @ 1333 MHz with ECC DRAM support |
| Interfaces | Universal Parallel Port, UART, McBSP, I2C, SPI, GPIO, SRIO 2.1, Gigabit Ethernet |
| Timers | Up to eight 64-bit timers |
| PLLs | Two on-chip PLLs |
Key Features
- High-performance C66x fixed- and floating-point DSP core with up to 1.25 GHz core speed
- 40 GMAC per core for fixed-point operations and 20 GFLOP per core for floating-point operations @ 1.25 GHz
- Backward code compatibility with C6000 family of DSPs
- Large on-chip memory including 32KB L1 cache, 1024KB dedicated memory, and 1024KB Multicore Shared Memory
- Support for high-speed interfaces: RapidIO ver 2, PCI Express Gen2, Gigabit Ethernet, and HyperLink
- Universal Parallel Port, UART, McBSP, I2C, SPI, and GPIO interfaces
- Semaphore module and up to eight 64-bit timers
- Two on-chip PLLs and four lanes of SRIO 2.1
Applications
The TMS320C6655CZH is suitable for a broad range of applications requiring high-performance signal processing, including:
- Telecommunications and wireless infrastructure
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial automation and control systems
- Audio and video processing
- Machine learning and AI applications
Q & A
- What is the maximum core speed of the TMS320C6655CZH?
The maximum core speed is up to 1.25 GHz.
- What type of memory does the TMS320C6655CZH have?
The device includes 32KB L1 program and data cache, 1024KB dedicated memory, and 1024KB Multicore Shared Memory.
- Is the TMS320C6655CZH backward compatible with previous DSPs?
Yes, it is fully backward compatible with the C6000 family of fixed- and floating-point DSPs.
- What high-speed interfaces does the TMS320C6655CZH support?
The device supports RapidIO ver 2, PCI Express Gen2, Gigabit Ethernet, and HyperLink.
- What is the operating temperature range of the TMS320C6655CZH?
The operating temperature range is 0°C to 85°C (Commercial) and –40°C to 100°C (Extended).
- How many GPIO pins does the TMS320C6655CZH have?
The device has 32 GPIO pins.
- What types of serial interfaces are available on the TMS320C6655CZH?
The device includes UART, McBSP, I2C, and SPI interfaces.
- Does the TMS320C6655CZH support external memory?
Yes, it supports a 32-bit DDR-3 external memory interface (EMIF) at 1333 MHz with ECC DRAM support.
- How many timers does the TMS320C6655CZH have?
The device has up to eight 64-bit timers.
- What is the package type and pin count of the TMS320C6655CZH?
The package type is FCBGA (CZH) with 625 pins.
