If you are working with BIOS chips, EEPROMs, or firmware flashing using a CH341A programmer, you need reliable software. While version 1.41 is popular, is a, often superior, updated version maintained by the community that offers improved stability and support for a wider array of modern chips.
Open the top context menu option path: and uncheck it. This disables the validation halting flag, forcing the payload past the damaged block layout. If youg., Winbond W25Q128, 24C02).
: Seamless support for both SPI (25-series) and I2C (24-series) EEPROMs.
Before changing any data, click the button. A progress bar at the bottom of the user interface will scale upwards while the main hex-editor field populates with raw hex codes. Once finished, click File -> Save As , and store a fallback copy of your original firmware as a .bin extension payload. 4. Wipe the Memory Array asprogrammer 21013 download 39link39 work
Click the button. Standard SPI and flash memory blocks must be completely reset back to full FF values before new data states can be successfully injected into the memory gates. 5. Write the New Firmware
: The software timed out before the hardware completed its global chip erase cycle.
Last tested: October 2025 – All links and fixes verified. If you are working with BIOS chips, EEPROMs,
Upon launching the software, the first step is selecting the correct programmer:
Never skip creating a recovery point. Click the button to dump the memory buffer. Once the progress bar reaches completion, click File > Save As and format the output to a .bin or .rom image file on your desktop. Step 3: Clear the Memory Block
Many common black-PCB CH341A USB modules mistakenly deliver 5V logic lines across data channels, even when set to 3.3V power rails. If you are working on sensitive low-power SPI chips (like 1.8V or 3.3V Winbond modules), consider looking at hardware modification tutorials on forums like 4PDA to step down the data logic safely to 3.3V. This disables the validation halting flag, forcing the
The AS Programmer 21013 is a powerful tool for anyone working with microcontrollers and electronic devices. By carefully selecting a reliable download link and following best practices for installation and usage, users can safely harness the capabilities of this software. Always prioritize safety, data integrity, and utilize resources from reputable communities to ensure a successful experience with AS Programmer 21013.
In the top menu bar, navigate to and select your programmer type (e.g., CH341 ).