Texas Instruments

TMS320LC549PGE-80

TMS320LC549PGE-80 Description

The TMS320LC549PGE-80 is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments' TMS320C54x series. Designed for embedded signal processing applications, it operates at 80MHz with a 3.3V core and I/O voltage, ensuring efficient power consumption. The DSP integrates 32kB of ROM and 64kB of on-chip RAM, providing ample memory for real-time processing tasks. Packaged in a 144-LQFP (Low-Profile Quad Flat Package), it supports surface-mount assembly and is RoHS3 compliant. Although marked as obsolete, it remains relevant in legacy systems requiring reliable DSP performance.

TMS320LC549PGE-80 Features

• High-Speed Processing: 80MHz clock rate enables rapid execution of DSP algorithms.
• Memory Configuration: Combines 32kB ROM for firmware storage and 64kB RAM for data-intensive operations.
• Low Power Design: 3.3V core/I/O voltage reduces energy consumption.
• Interfaces: Features BSP (Buffered Serial Port) and Host Interface for flexible peripheral connectivity.
• Robust Packaging: 144-LQFP ensures compact PCB integration with MSL 2 (1-year shelf life) moisture sensitivity.
• Compliance: Meets ECCN 3A991A2 and REACH unaffected standards for global deployment.

TMS320LC549PGE-80 Applications

• Telecommunications: Ideal for modems, voice compression, and echo cancellation.
• Industrial Control: Used in motor control and real-time sensor processing.
• Audio Processing: Suitable for speech recognition and audio effects generation.
• Legacy Systems: Maintains functionality in older designs requiring C54x architecture.

Conclusion of TMS320LC549PGE-80

The TMS320LC549PGE-80 offers a balanced mix of speed, memory, and power efficiency, making it a dependable choice for DSP-centric applications. While newer alternatives exist, its proven reliability in telecommunications and industrial systems ensures continued utility in maintenance or upgrade scenarios. Engineers valuing low-voltage operation and compact integration will find it a pragmatic solution for legacy or cost-sensitive projects.