Arm. Cmsis.3.20.4.pack and keil.stm32f1xx_dfp.1.0.5.pack The meaning of these two files

Keil mdk-arm version upgrade from V4 to V5 is a big change in architecture, so you need to add the "Support Pack" when installing.

For example, we are using the STM32F10 series. So, when we install KEIL5, we install the two folders Arm.cmsis.3.20.4.pack and Keil.stm32f1xx_dfp.1.0.5.pack.

What these two files are. The difference between the two files. What the role is.

Keil.stm32f1xx_dfp.1.0.5.pack: is the firmware library package, which model you use to install which model, starting from Mdk5, all in this way. is if you use a model,

It is not necessary to install the corresponding. This light mdk.
Arm. Cmsis.3.20.4.pack: An interface standard CMSIS (cortex m software interface Standart), Stm32 startup code and other core function code, such as

Core_cm3.c,core_cm3.h,startup_stm32f10x_hd.s,stm32f10x.h,stm32f10x_conf.h,system_stm32f10x.c,system_ Stm32f10x.h,

Stdint.h.