小容量产品是指闪存存储器容量在16K至32K字节之间的STM32F101xx、STM32F102xx和STM32F103xx微控制器。

中容量产品是指闪存存储器容量在64K至128K字节之间的STM32F101xx、STM32F102xx和STM32F103xx微控制器。

大容量产品是指闪存存储器容量在256K至512K字节之间的STM32F101xx和STM32F103xx微控制器。

互联型产品是指STM32F105xx和STM32F107xx微控制器。

- startup_stm32f10x_ld_vl.s: for STM32 Low density Value line devices 
- startup_stm32f10x_ld.s: for STM32 Low density devices 
- startup_stm32f10x_md_vl.s: for STM32 Medium density Value line devices 
- startup_stm32f10x_md.s: for STM32 Medium density devices 
- startup_stm32f10x_hd.s: for STM32 High density devices 
- startup_stm32f10x_xl.s: for STM32 XL density devices 
- startup_stm32f10x_cl.s: for STM32 Connectivity line devices 

cl：互联型产品，stm32f105/107系列 
vl：超值型产品，stm32f100系列 
xl：超高密度产品，stm32f101/103系列
ld：低密度产品，FLASH小于64K 
md：中等密度产品，FLASH=64 or 128 
hd：高密度产品，FLASH大于128

● Low-density devices: STM32F101xx, STM32F102xx and STM32F103xx
  microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
● Medium-density devices: STM32F101xx, STM32F102xx and STM32F103xx
  microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
● High-density devices: STM32F101xx and STM32F103xx microcontrollers where the
  Flash memory density ranges between 256 and 512 Kbytes.
● XL-density devices: STM32F101xx and STM32F103xx microcontrollers where the
  Flash memory density ranges between 512 and 1024 Kbytes.
● Medium-density Low-Power devices: STM32L15xx microcontrollers where the Flash
  memory density ranges between 64 and 128 Kbytes.
● Low Power Medium-density Plus devices:STM32L15xx and STM32L162xx
  microcontrollers where the Flash memory density is 256 Kbytes.
● Low Power High-density devices: STM32L15xx and STM32L162xx microcontrollers
  where the Flash memory density is 384 Kbytes.