STM32 Cortex-M3

Part numbering

STM32F103 Series

STM32F103 model differences

What means low, medium, high-density, value line, etc.

• Low-density Value line devices are STM32F100xx microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. 
• Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. 
• Medium-density Value line devices are STM32F100xx microcontrollers where the Flash memory density ranges between 32 and 128 Kbytes.  
• Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx microcontrollers where the Flash memory density ranges between 32 and 128 Kbytes. 
• High-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 256 and 512 Kbytes. 
• XL-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 512 and 1024 Kbytes. 
• Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.

[from http://www.emcu.it/STM32.html#What_means_Low_Medium_High_density_etc]

Last update. Oct 12, 2013.