The STM32F103 represents a bridge between hobbyist electronics and professional embedded engineering. Its combination of the ARM Cortex-M3 core, extensive peripheral set, and low cost ensures its relevance for years to come.
From the free STM32CubeIDE to industry standards like Keil MDK and IAR Embedded Workbench. the stm32f103 arm microcontroller and embedded systems pdf
Typically features 64KB to 128KB of Flash memory and 20KB of SRAM. extensive peripheral set