Result: If your connection is solid, the exact chip name and manufacturer will display in the log area. If it displays 000000 or FFFFFF , your physical connection is bad or your chip is under-powered. 2. Disabling Status Register Protections
While 2.1.0.13 is superior in chip support, some users have noted differences in how status registers are displayed compared to 1.41.
Because GitHub occasionally purges old executables, the community maintains mirrors. A currently working as of this writing is found via the CH341A Backup Utilities folder on Google Drive (search "CH341A v1.4 + ASProgrammer 2.1.0.13" on Reddit’s r/techsupport). The package includes: asprogrammer 21013 download 39link39 work
: Supports massive variations of 24Cxx (I2C) and 25Qxx / 25Lxx (SPI Flash) series chips.
: The software is portable. Extract the downloaded .zip or .7z file to a folder on your computer . Result: If your connection is solid, the exact
Use a tool like WinRAR or 7-Zip to extract the contents to a folder on your desktop.
: A stable workspace to inspect firmware dumps prior to writing. Step-by-Step Installation: Getting the Link to Work Disabling Status Register Protections While 2
Use the utility to retain a backup copy of your original binary file ( .bin ) before writing anything new. Step 3: Erasing and Writing New Data
Flashing EEPROM and SPI Flash chips used to be a frustrating process dominated by bulky, expensive industrial hardware. Today, affordable USB programmers like the or UsbAsp have made hardware repair accessible to anyone. However, hardware is only half the battle. The default stock software bundled with these cheap programmers is notoriously unreliable, frequently throwing verification errors or failing to recognize modern 1.8V and 3.3V chips entirely.