Overview
The TMS320C6457CGMH is a high-performance fixed-point Digital Signal Processor (DSP) from Texas Instruments, based on the third-generation VelociTI™ very-long-instruction-word (VLIW) architecture. This DSP is part of the TMS320C6000™ DSP platform and is known for its exceptional performance in various applications such as video and telecom infrastructure, imaging/medical, and wireless infrastructure. The C6457 device offers cost-effective solutions to high-performance DSP programming challenges, combining the operational flexibility of high-speed controllers and the numerical capability of array processors.
Key Specifications
| Parameter | Specification |
|---|---|
| Instruction Cycle Time | 1.18 ns, 1 ns, 0.83 ns |
| Clock Rate | 850 MHz, 1 GHz, 1.2 GHz |
| Instructions/Cycle | Eight 32-Bit Instructions/Cycle |
| MIPS/MMACS | 8000 and 9600 MIPS/MMACS (16-Bits) |
| Operating Temperature | Commercial: 0°C to 100°C (850 MHz), 0°C to 100°C (1 GHz), 0°C to 95°C (1.2 GHz) Extended: -40°C to 100°C (1 GHz), -40°C to 95°C (1.2 GHz) |
| Core Voltage | 1.10V |
| Package | 688-FCBGA (23x23 mm) |
| On-Chip RAM | 2.1 MB (L1 and L2 Memory) |
| Interfaces | Host Interface, I²C, McBSP, PCI, UTOPIA, 10/100/1000 Ethernet MAC |
Key Features
- High-Performance DSP Core: The C6457 device employs the TMS320C64x+™ DSP core with eight functional units, two register files, and two data paths, enabling high-speed processing and multiple 16-bit × 16-bit multiply-accumulates (MACs) per cycle.
- Memory Architecture: The device includes a two-level memory system with 32KB L1 program and data caches, and 2048KB L2 memory that can be configured as cache or mapped RAM.
- Coprocessors: Features three high-performance embedded coprocessors: one enhanced Viterbi Decoder Coprocessor (VCP2) and two enhanced Turbo Decoder Coprocessors (TCP2_A and TCP2_B) for accelerated channel-decoding operations.
- Peripheral Set: Includes an inter-integrated circuit bus module (I²C), multichannel buffered serial ports (McBSPs), UTOPIA Slave port, general-purpose timers, host-port interface (HPI16/HPI32), GPIO, and a 10/100/1000 Ethernet media access controller (EMAC).
- Serial RapidIO®: A high-bandwidth peripheral that improves system performance and reduces system cost for applications with multiple DSPs.
Applications
- Video and Telecom Infrastructure: Ideal for high-performance video processing and telecom infrastructure applications due to its advanced VLIW architecture and high-bandwidth peripherals.
- Imaging/Medical: Suitable for medical imaging and other imaging applications requiring intensive signal processing.
- Wireless Infrastructure: Used in wireless infrastructure applications, including base stations and other wireless communication systems.
- Industrial Control Systems: Can be used in industrial control systems that require high-speed data processing and robust interface options.
Q & A
- What is the TMS320C6457CGMH based on?
The TMS320C6457CGMH is based on the third-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture developed by Texas Instruments.
- What are the clock rates available for the TMS320C6457CGMH?
The clock rates available are 850 MHz, 1 GHz, and 1.2 GHz.
- How much on-chip RAM does the TMS320C6457CGMH have?
The device has 2.1 MB of on-chip RAM, including L1 and L2 memory.
- What types of interfaces does the TMS320C6457CGMH support?
The device supports Host Interface, I²C, McBSP, PCI, UTOPIA, and 10/100/1000 Ethernet MAC.
- What are the operating temperature ranges for the TMS320C6457CGMH?
The operating temperature ranges are 0°C to 100°C (commercial) and -40°C to 100°C (extended).
- What is the core voltage of the TMS320C6457CGMH?
The core voltage is 1.10V.
- What is the package type of the TMS320C6457CGMH?
The package type is 688-FCBGA with a 23x23 mm footprint.
- What are the coprocessors available on the TMS320C6457CGMH?
The device includes one enhanced Viterbi Decoder Coprocessor (VCP2) and two enhanced Turbo Decoder Coprocessors (TCP2_A and TCP2_B).
- What is the purpose of the Serial RapidIO® peripheral?
The Serial RapidIO® peripheral improves system performance and reduces system cost for applications with multiple DSPs on a board.
- In which industries is the TMS320C6457CGMH commonly used?
The TMS320C6457CGMH is commonly used in video and telecom infrastructure, imaging/medical, wireless infrastructure, and industrial control systems.
