Plug your CH341A programmer into a USB port. Open Windows and ensure it displays under "Interface" or "USB devices" without any yellow exclamation marks. Step 2: Launching the Software
Download the official (Parallel/Programmer mode driver, not the CH341SER serial driver). Run the installer as an administrator and click Install .
Here is a list of reliable download locations:
The version number "21.013" that you're searching for refers to a specific release of the software, . The presence of the "21" seems to be a truncation of the full "2.1.0" prefix, with "013" completing the version string. It is important to note that this is not a "Version 21" of the software, but rather version 2.1.0.13. asprogrammer 21 013 download free
AsProgrammer is a free, open-source graphical software tool designed for programming (also known as "flashing") serial memory chips. Its primary purpose is to interact with a hardware programmer, using it to read data from a memory chip, erase its contents, and write new data to it. This is an essential process for many hardware tasks.
: Stopped the forced systematic FF padding whenever a new component was selected, preventing accidental buffer overwrites.
Click Write IC to start the flashing process. Plug your CH341A programmer into a USB port
ASProgrammer 21.013 Download Free: The Ultimate Guide to CH341A Programmer Software
If you have already downloaded the software and need the latest CH341A USB drivers for Windows 10/11, please refer to this official GitHub repository to ensure your programmer is recognized.
If you are repairing a corrupted BIOS or applying a custom mod, click to clean the target memory blocks. Next, click Open File to load your new firmware image, select your file, and click Program IC . 5. Verify Success Run the installer as an administrator and click Install
ASProgrammer cannot communicate with your CH341A programmer unless the correct USB drivers are injected into your operating system. Follow these steps to set up your environment: Step 1: Install the CH341PAR Driver Connect your CH341A programmer to a USB port.
Ensure the programmer is set to CH341A in the dropdown menu.
It's important to note a common point of confusion: the version number displayed on many download sites for the release often appears simply as "2.1.0.13" or "2.1.0.13 免费版". While the search term "21 013" is often used to find this software, the version you're looking for is almost certainly 2.1.0.13 .
AsProgrammer communicates directly with hardware interface bridges via USB. Version 2.1.0.13 features rewritten reading, writing, and auto-detection algorithms to safely process high-density chips. Supported Programmers (The standard black or green mini-USB programmer) CH347 (High-speed variant) UsbAsp (Commonly used for AVR chips) AVRISP / Arduino / FT232H Supported Protocols & Memory Architectures
Using AsProgrammer 2.1.0.13 is straightforward. Here is a basic workflow for flashing a bios chip: