ARM 32-bit Cortex CPU

Ordering information scheme:
Pin count
C = 48 pins
R = 64 pins
V = 100 pins

Flash memory size
4 = 16 Kbytes 
6 = 32 Kbytes 
8 = 64 Kbytes 
B = 128 Kbytes
C = 256 Kbytes
E = 512 Kbytes
F = 768 Kbytes
G = 1024 Kbytes

Package
T = LQFP
H = BGA

Protection store in OPTIONS area (RDP/nRDP):
0x1FFF F800: RDP   nRDP    USER   nUSER  
0x1FFF F804: Data0 nData0  Data1  nData1  
0x1FFF F808: WRP0  nWRP0   WRP1   nWRP1  
0x1FFF F80C: WRP2  nWRP2   WRP3   nWRP3   

The readout protection can be disabled with command 
Protection - Erase&Unprotect!

BOOT0 = LOGIC 1
For Devices with BOOT1 pin: connect it to LOGIC 0.