Overview
The TMS320C6455BZTZA is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C64x+ DSP generation. This device is designed to meet the demands of high-speed communications infrastructure, video infrastructure, and imaging equipment. It features the advanced VelociTI very-long-instruction-word (VLIW) architecture, making it an excellent choice for applications requiring high processing power and I/O bandwidth.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | TMS320C64x+ |
| Clock Rate | 720 MHz, 850 MHz, 1 GHz, 1.2 GHz |
| Instruction Cycle Time | 1.39 ns, 1.17 ns, 1 ns, 0.83 ns |
| MIPS/MMACS | 9600 MIPS/MMACS (16-bit data) |
| Memory Interface | DDR2 memory controller, 64-bit external memory interface (EMIFA) |
| On-Chip Memory | 32KB L1 program and data memories, 2MB L2 memory |
| External Memory Bandwidth | Up to 2GB/sec |
| EDMA Controller | EDMA3 with 64 independent channels |
| Package Type | 697-pin Ball Grid Array (BGA) |
| Operating Temperature | -40°C to 105°C (extended temperature) |
| I/O Voltage | 3.3V, 1.8V, 1.5V, 1.25V, 1.2V |
Key Features
- High-Performance DSP Core: The TMS320C6455 features the C64x+ core, which provides high processing power with up to 9600 MIPS/MMACS at 1.2 GHz.
- Advanced Memory System: Includes 32KB L1 program and data memories, and 2MB L2 memory, with the flexibility to configure level one memories as RAM, cache, or a combination of both.
- High-Speed Interfaces: Supports DDR2 memory, serial rapid I/O (sRIO) for inter-processor communication, and a 1Gbit EMAC interface for networking.
- Enhanced DMA Engine: The EDMA3 controller with 64 independent channels allows for high-bandwidth data transfers without CPU intervention.
- Compact Instructions: The device supports compact instructions that can reduce code size by 20-30% compared to the C64x core.
- Peripheral Interfaces: Includes a 32-bit/16-bit host-port interface (HPI), PCI master/slave interface, and an I2C bus.
Applications
- Telecommunications Infrastructure: Suitable for high-speed communications and network equipment.
- Video Infrastructure: Ideal for video processing and streaming applications, including high-definition video.
- Imaging Equipment: Used in high-end imaging systems, medical imaging, and other applications requiring high processing power.
- Wireless Infrastructure: Applicable in wireless communication systems and base stations.
Q & A
- What is the clock rate of the TMS320C6455 DSP?
The TMS320C6455 DSP operates at clock rates of 720 MHz, 850 MHz, 1 GHz, and 1.2 GHz.
- What is the MIPS/MMACS performance of the TMS320C6455?
The device achieves up to 9600 MIPS/MMACS with 16-bit data.
- What type of memory interfaces does the TMS320C6455 support?
The device supports DDR2 memory and a 64-bit external memory interface (EMIFA).
- What is the on-chip memory configuration of the TMS320C6455?
The device has 32KB L1 program and data memories and 2MB L2 memory.
- What is the purpose of the EDMA3 controller in the TMS320C6455?
The EDMA3 controller with 64 independent channels enables high-bandwidth data transfers without CPU intervention.
- What high-speed interfaces are available on the TMS320C6455?
The device includes serial rapid I/O (sRIO), DDR2 memory interface, and a 1Gbit EMAC interface.
- What is the operating temperature range of the TMS320C6455?
The device operates in a temperature range of -40°C to 105°C (extended temperature).
- What package type is the TMS320C6455 available in?
The device is available in a 697-pin Ball Grid Array (BGA) package.
- What are some key applications of the TMS320C6455 DSP?
The device is used in telecommunications infrastructure, video infrastructure, imaging equipment, and wireless infrastructure.
- Is the TMS320C6455BZTZA still in production?
No, the TMS320C6455BZTZA is obsolete and no longer manufactured.
