Downloading and Updating EZP2020 High-Speed Programmer Software
Placement Detection: Detects if a chip is placed incorrectly in the socket. ezp2020 programmer software download upd
Alternative Tools: For Linux users, a QT5-based SPI programmer is available on GitHub, supporting the EZP2020 chip database format . Download CH341PAR
CH341PAR.EXE from WCH’s website.TXD and RXD on your EZP2020 board (use a jumper or tweezers).CH341PAR.EXE → Click Update Firmware.As of 2025, the EZP2020 remains relevant, but updates have slowed. The last major software upd (v1.0.3.2) added support for Windows 11 ARM64 and fixed a bug with 4-byte addressing on >16MB chips. The community on GitHub has started reverse-engineering the communication protocol to create an open-source driver. Part 9: Future of EZP2020 Software Updates As
github.com/nofeletru/UsbAsp-flash (search if link is removed).AsProgrammer_..._x64.zip (for 64-bit Windows).C:\EZP2020.