The EFM8BB21F16G-C-QSOP24R is part of the EFM8 family of microcontrollers from Silicon Labs. It is built on the 8051 architecture, offering a CISC (Complex Instruction Set Computing) instruction set, which makes it a highly efficient choice for many embedded system applications. The MCU operates at a maximum CPU frequency of 50 MHz, which ensures high-speed processing suitable for demanding applications. Additionally, it is AEC-Q100 certified for automotive use, making it a reliable choice for automotive-grade designs.

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