Overview
The TMS320C6455BGTZ is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments, built on the advanced C64x+ DSP architecture. This device is designed to meet the demands of various high-speed applications, including telecommunications, imaging, and audio processing. It features a superscalar architecture with a 7-stage pipeline, enabling it to execute multiple instructions simultaneously and achieve high processing throughput. The C6455BGTZ is part of the TMS320C6000 DSP platform, known for its high-performance capabilities and efficiency.
Key Specifications
| Specification | Details |
|---|---|
| Clock Frequency | Up to 1.2 GHz |
| Instruction Cycle Time | 1.39 ns (720 MHz), 1.17 ns (850 MHz), 1 ns (1 GHz), 0.83 ns (1.2 GHz) |
| MIPS/MMACS | 9600 MIPS/MMACS (16-Bits) at 1.2 GHz |
| Memory | 32KB L1 Program and Data Memory, 2MB L2 Unified Memory/Cache |
| External Memory Interface | 64-bit EMIFA, DDR2-533 SDRAM |
| DMA Controller | EDMA3 Controller with 64 independent channels |
| Package | 697-pin Ball Grid Array (BGA) Package |
| Operating Temperature | Commercial: 0°C to 90°C, Extended: -40°C to 105°C |
| I/O Voltage | 3.3-V, 1.8-V, 1.5-V, 1.25-V, 1.2-V |
Key Features
- High-Performance DSP Core: The C64x+ core supports eight 16-bit x 16-bit multiplies every clock cycle, resulting in 9600 16-bit MMACs per second at 1.2 GHz.
- Memory Architecture: Flexible memory configuration with 32KB L1 and 2MB L2 SRAM, and support for external DDR2 memory.
- High-Speed Interfaces: Includes serial rapid I/O (sRIO), McBSP, SPI, and 1Gbit EMAC interface for high-bandwidth communication.
- DMA Controller: EDMA3 controller with 64 independent channels for efficient data transfer.
- Peripheral Interfaces: Supports PCI, I2C, and GPIO interfaces.
- Power Efficiency: Known for low power consumption per GFLOP, making it suitable for both industrial and consumer electronics.
Applications
- Telecommunications Systems: Voice over IP, video conferencing.
- Image Processing: Medical imaging, machine vision systems.
- Data Acquisition Systems: Industrial automation, control systems.
- Consumer Electronics: Advanced audio processing, multimedia applications.
- Military and Aerospace: Secure communications, signal intelligence.
Q & A
- What is the maximum operating frequency of the TMS320C6455BGTZ?
The maximum operating frequency is up to 1.2 GHz.
- Can this DSP support Real-Time Operating Systems (RTOS)?
- What kind of memory interfaces does this processor support?
The TMS320C6455BGTZ supports DDR2 memory and other high-speed memory interfaces like 64-bit EMIFA.
- Is thermal management required for operation?
Adequate thermal management is recommended to ensure optimal performance, especially under heavy workloads.
- What are the packaging options for this device?
It is available in a 697-pin Ball Grid Array (BGA) package.
- What is the instruction set architecture of the C6455 DSP?
The C6455 DSP uses the C64x+ core with a superscalar architecture and a 7-stage pipeline.
- How many functional units does the C64x+ CPU consist of?
The C64x+ CPU consists of eight functional units, two register files, and two data paths.
- What is the role of the EDMA3 controller in the TMS320C6455BGTZ?
The EDMA3 controller manages data transfer with 64 independent channels, optimizing data transfer without engaging the CPU.
- Does the TMS320C6455BGTZ support high-speed serial interfaces?
- What is the total addressable external memory space for the TMS320C6455BGTZ?
The total addressable external memory space is 512M bytes.
