Part number
Core
Max speed
Flash
Ram
I/O
Package
MM32F031F4P6
M0
72MHz
16Kb
4Kb
16
TSSOP20
MM32F031F4U6
QFN20
MM32F031K4U6
27
QFN32
MM32F031K4T6
25
LQFP32
MM32F031C4T6
39
LQFP48
MM32F031F6P6
32Kb
MM32F031F6U6
MM32F031K6U6
MM32F031K6T6
MM32F031C6T6
MM32F031K8U6
64Kb
8Kb
MM32F031K8T6
MM32F031C8T6
MM32F031KBT6
128Kb
MM32F031CBT6