STM32 series naming rules

For example:
STM32 F 103 C 6 T 7 xxx
1 2 3 4 5 6 7 8

Part 1: Product series name, fixed to STM32.
　　
Part 2: Product Type; F means this is a Flash product and there are currently no other options.
　　
Part 3: Product sub-series; 103 for enhanced products, 101 for basic products, 105 for integrating a full-speed USB 2.0 Host/Device/OTG interface and two CAN2.0B controllers with advanced filtering, 107 for The STM32F105 series base adds a 10/100 Ethernet media access controller (MAC), an interconnected product.
　
Part 4: Number of pins;
　　T=36 pins; C=48 pins; R=64 pins; V=100 pins; Z=144 pins
　　
Part 5: Flash memory capacity:
　　6=32K bytes; 8=64K words section; B=128K bytes; C=256K bytes
　　D=384K bytes; E=512K bytes

Part 6: Package Information;
　　H=BGA; T=LQFP; U=VFQFPN
　　
Part 7: Operating Temperature Range;
　　6=Industrial Grade, -40~+85°C
　　7=Industrial Grade, -40~+105°C

Part 8: Optional; this part is optional and can be used to indicate the internal firmware version number.