操作步骤：只需要下载，解压，安装.pack包到自己的Keil安装路径即可（一般默认自动选择Keil软件所在路径进行安装），本人也在用。

Keil.STM32L1xx_DFP.1.0.2，Keil.STM32L1xx_DFP.1.1.0，Keil.STM32L1xx_DFP.1.2.0,keil5 STM32L1xx新旧版本芯片支持包

Keil.STM32L4xx_DFP.1.2.0,Keil.STM32L4xx_DFP.1.3.0,Keil.STM32L4xx_DFP.1.4.0,keil STM32L4xx版本芯片支持包

Keil.STM32L4xx_DFP.2.2.0,keil STM32L4xx版本芯片支持包

Keil.STM32F4xx_DFP.2.13.0,keil STM32F4xx版本芯片支持包，安装KEIL5以后直接打开次程序，安装芯片支持包即可

Keil.STM32F4xx_DFP.2.12.0,keil5 STM32F4xx版本芯片支持包

Version: 1.4.0 (2021-07-22) Keil.STM32G4xx_DFP.1.4.0.pack CMSIS Flash: Added external Flash Algorithm for STM32G474E-EVAL. Added Option Byte Flash Algorithm example. Board Examples: STM32G474E-EVAL: Migrated example to STM32CubeG4 Firmware Package version V1.4.0. Changed default compiler to Arm Compiler 6. Changed Assembler option to armclang (Auto Select). Updated RTX config files to CMSIS 5.8.0.

Version: 2.6.0 (2021-07-30) Keil.STM32L4xx_DFP.2.6.0.pack Updated Pack to STM32Cube_FW_L4 Firmware Package version V1.17.0 Package Description: Added global define USE_FULL_LL_DRIVER to component ::Device:STM32Cube LL:Common. Added debugProbe board description. Device Support: Updated SVD files and documentation. Reworked device RAM size. Added missing devices: STM32L451CETx, STM32L452CETx, STM32L462CETx, STM32L4Q5CGTxP, STM32L4Q5CGUxP, STM32L4Q5VGTxP, STM32L4Q5QGIxP, STM32L4Q5ZGTxP, STM32L4Q5AGIxP, STM32L4Q5RGTxP. Removed devices: STM32L451RCYx, STM32L452RCYx, STM32L485xx. Updated dbgconf files - Add missing variable DoOptionByteLoading. CMSIS Flash Algorithm: Added algorithm for STM32L4RxxG devices. Updated flash algorithms: STM32L4Rx_2048_Dual, STM32L4P5xx_1M, STM32L4P5xx_512: Added empty check, disable interrupts while programming, fix programming while IWDG in HW mode. Fixed last word programming. CMSIS-Driver: USBH: Fixed port resume occasionally getting stuck in resume signaling. Added compile time configuration for reducing Bulk IN NAK rate. SPI: Updated Control function to: Set SPI bus speed only for master mode and disable DMA before reconfigure DMA Updated SPI_GetStatus function with correct error code Updated SPI_GetDataCount function when SPI is not initialized Board Examples: Updated Assembler option to armclang(Auto Select). Updated config files to CMSIS 5.8.0 and MDK-Middleware 7.13.0.

Version: 1.1.0 (2021-07-23) Keil.STM32U5xx_DFP.1.1.0.pack Updated STM32Cube Firmware U5 library to version V1.0.0 First official release of HAL and LL drivers for STM32U575xx/STM32U585xx devices

Keil.STM32F2xx_DFP.2.8.0，Keil.STM32F2xx_DFP.2.9.0,keil5 STM32F2xx新旧版本芯片支持包