We have started to create Reference document for Freescale Solutions and here is one of the first ...
Energy Innovation Starts with Freescale Digital Signal Controllers
The MC56F84xx is the market’s fastest signal-processing microcontroller for the most efficient digital power conversion and advanced motor control applications.
Extreme Efficiency – ideal combination of high performance and precision with its PWM, ADC and 32-bit core
Scalable Solutions – Portfolio scales to fit the exact application needs
Total System Cost Savings – one of the most cost-effective solutions on the market, offering the right level of integration and performance … at the right price
for more details, go and see this very comprehensive document (element14 - New technology)