Introduction：GD32F4xx standard firmware library is suitable for GD32F4xx series MCU. The library is compatible with the CMSIS (Cortex-M Microcontroller Software Interface Standard), and includes programs, data structures and macro definitions. It covers the features of all the integrated peripherals, contains all the related drivers and sample programs

Introduction：This programming software based on the bootloader in the chip, the communication interface supports UART and USB, and supports the basic operations of programming / erasing / reading MCU flash and ob.

Introduction：GD-Link programmer is a tool to program GD series MCU . With GD-Link programmer, user can download the application program to MCU’s internal flash memory, set read and write protection, etc. And the programmer also supports GD-Link offline download function.

Introduction：There are 3 files in the zip file, they are used to support the development of GD32F4xx applications in Keil and IAR , details are as follows: 1. GigaDevice.GD32F4xx_Addon.3.0.3.exe, addon files used to support keil ver 4.7x, 2. GigaDevice.GD32F4xx_DFP.3.0.4.pack, addon files used to support keil ver 5.27 or later 3. IAR_GD32F4xx_ADDON.3.0.1exe, addon files used to support IAR ver 7.4 or later

Introduction：GD32F403 Series MCU standard firmware library of GD32F403.

Introduction：GD32 MCU Information Query Tool. Filter and match MCU according to the options, thereby improving the efficiency of selection and making the selection process more convenient and friendly.

Introduction：The drivers for the GD32 Dfu device

Introduction：MCU ISP programmer is a serial port programmer tool with user interface for using MCUs easily. It is used to program the flash or configure GD MCU with USART peripheral. With ISP programmer, user can download the application program to the internal flash memory, and set read and write protection and so on.

Introduction：USB IAP (In Application Program) tool. User can operate the flash memory of the MCU by the IAP code in the memory of the MCU.

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Introduction：none

Introduction：The hardware platform of AliOS Things demo is GD32F450Z-EVAL board and WIFI module. The demo code which is based on AliOS Things code, realize the function of communication between WIFI module and Alibaba cloud platform with GD32F450Z-EVAL board. It is suitable for GD32F405/407/450 series MCU, includes all code and user manual .

Introduction：Multi-port download tool is used for multi-port download

Introduction：USB Virtual Com Port Driver.

Introduction：Serial port programmer from third party partners.