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EFM32 Wonder Gecko Review: A DIY Perspective

I recently got my hands on a Silicon Labs EFM32 Wonder Gecko development kit (thanks to Silicon Labs for sending it). The model number of the kit itself is STK3800. It features a 32 bit EFM32WG990F256 MCU equipped with an ARM Cortex R4F 48MHZ CPU, an FPU, 32 KB of RAM, 86 GPIO pins, and USB host/OTG support.

The analog peripherals in the MCU include: