The LM3S6965-IBZ50-A2 is from the Stellaris® family of microcontrollers the first ARM® Cortex™-M3 based controllers—that brings high-performance 32-bit computing to cost-sensitive embedded microcontroller applications.
LM3S6965-IBZ50-A2 Features
32-bit ARM® Cortex™-M3 v7M architecture optimized for small-footprint embedded applications
System timer (SysTick), providing a simple, 24-bit clear-on-write, decrementing, wrap-on-zero counter with a flexible control mechanism
Thumb®-compatible Thumb-2-only instruction set processor core for high code density