Texas Instruments 64-LQFP LM3S5662-IQR50-A0T

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The LM3S5662-IQR50-A0T is a microcontroller unit manufactured by Texas Instruments, specifically part of their Stellaris® family. This device features an ARM Cortex-M3 core with 50MHz clock speed and comes in an LQFP package. It offers rich peripheral sets including memory options, UARTs, GPIOs, and various timers to support complex embedded applications. The "-IQR50" indicates it's an industrial temperature range variant (-40°C to +85°C) while "A0T" likely denotes a specific silicon revision or manufacturing configuration.