The MSP430F5xx - 5 Series provides a high performance, 25MHz CPU with integrated USB 2.0 connectivity. With more memory and higher integrations, this series offer the Industry’s lowest active power consumption.

Up to 25MHz CPU speed clock
1.8V to 3.6V operation
Up to 512KB Flash memory
Up to 66KB RAM memory
Full-speed USB 2.0 interface
Low Power 195μA / MHz active
Low Power 2.5μA real-time clock mode
Low Power 0.1μA RAM retention
Fast Wake-Up From Standby Mode in less than 5μs

MSP430 Microcontrollers, Texas Instruments

The MSP430 Platform is a range of mixed-signal, ultra-low power microcontrollers from Texas Instruments. The 16-bit RISC architecture is perfectly suited for wireless, low-power industrial and portable applications. This established range has a strong and popular position due to its ease of use and broad suite of development tools and support.
The MSP430 portfolio consists of over 400 devices ranging from the MSP430 Value Line to the revolutionary, highly integrated microcontrollers with embedded FRAM memory.This broad family of products offer integration suited to many designs and applications. High-performance peripherals include USB, RF, LCD controllers and Sigma-Delta ADCs. This allows designers to find the appropriate MSP430 device for many low power applications.