Analysis of NeoProgrammer software (Build 2.1.0.19) for CH341A Hardware Date: October 26, 2023 Category: Hardware Utilities / Embedded Systems
| Feature | Stock CH341A (v1.18) | AsProgrammer | NeoProgrammer 2.1.0.19 | | :--- | :--- | :--- | :--- | | | No (Crashes) | Partial | Perfect | | Chip Database | ~120 chips | ~400 chips | ~850+ chips | | IC Auto-Detect | Unreliable | Slow | Fast & Accurate | | 25/26 Series Flash | Limited | Good | Excellent | | I2C / EEPROM Support | No | No | Yes | | UI Modernity | 1990s style | Basic | Professional | neoprogrammer 21 019 ch341a best
The CH341A hardware is based on a generic USB-to-serial/I2C/SPI bridge chip made by WCH (Nanjing Qinheng Microelectronics). The hardware itself is dumb; it relies entirely on the software to tell it what voltage to use and how to time the data. Analysis of NeoProgrammer software (Build 2
This report confirms that is the most stable release for CH341A, fixing voltage detection bugs present in earlier versions and adding critical support for modern 1.8V chips via level shifters. : Offers an "Auto" mode that can erase,
: Offers an "Auto" mode that can erase, blank check, write, and verify in a single sequence.
First, it offers an . Version 2.1.0.19 includes definitions for thousands of SPI flashes, EEPROMs (24C, 93C series), and even some microcontrollers. You rarely need to manually enter chip IDs; the software identifies the chip instantly.