Using AsProgrammer with a CH341A is a standard practice for "unbricking" motherboards or routers. 1. Setup and Connection
Subject: Unit 21013. Status: Integration Pending. asprogrammer+21013
Have you encountered the 21013 error with a different chip or a different programmer? The solutions above apply universally to any SPI programmer using the CH341A chipset. Keep your drivers clean, your wires short, and your pull-ups strong. Using AsProgrammer with a CH341A is a standard
The "Plus" version (which 21013 belongs to) differs from the vanilla version by: your wires short
The "unprotect" feature is praised for its ability to modify status registers, though it should be used cautiously to avoid bricking chips.