Waveshare STM32 Board STM32F205RBT6 STM32F205 Cortex-M3 ARM STM32 Development Board + 6 Modules Kits designed for STM32F205R series features the STM32F205RBT6 MCU, and integrates various standard interfaces Operating Frequency: 120MHz, 150 DMIPS/1.25 DMIPS/MHz Package: LQFP64 Memories: 128kB Flash, 64+4kB SRAM