Part number
Core
Max speed
Flash
Ram
I/O
Package
M3
48MHz
16Kb
4Kb
37
LQFP48
STM32F102C6
32Kb
6Kb
64Kb
10Kb
STM32F102CB
128Kb
STM32F102R4
51
LQFP64
STM32F102R8
STM32F102R6