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A CH341A USB programmer (often called the "Black Edition").
The CH21013 is essentially a refined CH341A board. It typically features:
Error 21013 in ASProgrammer usually means:
ASProgrammer is a lightweight, powerful flashing utility written by npro. It was designed to replace the archaic Chinese software (often named CH341A.exe or NeoProgrammer ) that typically comes with CH341A-based programmers. asprogrammer+21013
Mostly passive; surfaces in repository logs and community membership lists rather than as a major public brand. Global Presence:
Refers specifically to a versioned standard (2026/01/03) that prioritizes modularity, security, and low-latency execution [2].
Install the driver (for parallel/programmer mode), not the serial COM port driver. Instant Freeze on Write Chip is completely locked or dead. Replace the physical SPI flash IC with a new one. A CH341A USB programmer (often called the "Black Edition")
: Use the slots closest to the USB connector.
: The ambiguous "S Register" column has been renamed to Status Registers , making it clearer for beginners modifying chip protection bits.
is a highly popular, open-source utility designed to read, write, erase, and verify non-volatile memory chips. Known for its excellent graphical user interface (GUI) and widespread adoption among hardware enthusiasts, this specific version represents a major stability release. It expands chip compatibility, introduces helpful user-interface enhancements, and fixes common registry issues found in older builds. It was designed to replace the archaic Chinese
The stands as a landmark release because it refined the core operations of the application, dropping bloated legacy hardware protocols to focus entirely on maximizing the performance of the ubiquitous CH341A (Black and Green variants) and USBasp platforms. Key Features and Enhancements in v2.1.0.13
No installation required—simply run the executable to begin.
Select asprogrammer-dregmod\mphexeditor\mphexeditor\src\mphexeditorlaz.lpk . Click →right arrow Install and accept the subsequent confirmation prompts.
If AsProgrammer fails to detect a specific new IC, consider trying NeoProgrammer, which is a fork often used for the same purpose.
