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MCUs pack 32bit floating-point accelerator

Posted: 06 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:microcontroller? MCU? accelerator?

Texas Instruments Inc. has introduced the new TMS320F2803x Piccolo microcontrollers featuring the Control Law Accelerator (CLA).

Unique to TI's F2803x Piccolo MCUs, the CLA is a 32bit floating-point math accelerator that operates independently of the C28x core, allowing for direct access to on-chip peripherals and parallel execution of algorithms. The new MCUs are based on an enhanced tightly coupled control architecture with integrated real-time control peripherals to simplify development of complex systems. Leveraging the performance and integration of the F2803x series, developers can use a single MCU to design cost-sensitive industrial, digital power and consumer applications such as LED lighting and white goods/appliances.

The F2803x MCUs are an extension to TI's Piccolo series and are 100 percent code compatible across the TMS320C2000 MCU platform. With more than 30 Piccolo configurations available, developers have a broad range of performance, flash and control-oriented peripheral options to meet the varying demands of cost-sensitive, real-time control applications. Developers can accelerate time to market by leveraging TI's complete analog portfolio, free software libraries, low cost hardware tools and technical support.

The F2803x series features 60MHz C28x core and 60MHz CLA that provide the performance necessary to execute complex control algorithms with a single Piccolo MCU. The devices also include flexible control peripherals such as high-resolution PWMs, high-speed 12bit ADC and 32bit captures to reduce sample-to-output delay and improve system response.

In addition, the devices provide direct access to on-chip control peripherals for parallel execution of algorithms. The series' fully programmable IEEE floating-point unit reduces scaling and saturation burden. The MCUs operate independently of the C28x core for efficient software partitioning.

The wide range of F2803x configurations provides flexibility to scale designs: 64Kbyte to 128Kbyte flash, 64-pin/80-pin packages, 1050C and 1250C. High-efficiency power management reference designs for Piccolo MCUs are available at

The F2802x Piccolo MCUs start at sub $2 in volume, and the F2803x Piccolo MCUs start at sub $3 in volume. The TMX320F28035 is the superset of the F2803x series and is sampling today. The F28035 controlCARD (TMDXCNCD28035) and F28035 Experimenter's Kit (TMDXDOCK28035) are also immediately available for order entry and are priced at $59 and $89, respectively. These tools build on TI's controlCARD concept, jumpstarting development through removable daughtercards with general and application-specific target boards.

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