Stellaris LM3S Microcontroller 48-LQFP -40 to 105
Texas Instruments
Texas Instruments - LM3S815-IQN50-C2
$4.63 - $10.91
Texas Instruments - LM3S815
$7.90 - $7.54
Texas Instruments - LM3S815-IQN50-C2T
$7.90 - $27.30