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CH341A programmer

CH341A programmer

  • Size: 3.74M
  • Language: Simplified Chinese
  • Category: Mechatronics
  • System: WinAll

Recommended for you: CH341A programmer

CH341A programmer software, U port 24-25 programmer computer software, usb interface programmer software, the version is easy to use and the speed is okay
CH341A programmer software free download
Test environment WINXP 1.1G CPU, 512M memory
The test results are for reference only. Different computer configurations will affect the speed. Use a high-configuration computer to read and write faster.

Name Capacity Write Read
WINBOND W25X80 1MByte/8MBit 42 seconds 8 seconds
MXIC 25L1605D 2MByte/16MBit 1 minute 23 seconds 18 seconds
MXIC 25L3205D 4MByte/32MBit 35 seconds
WINBOND 25Q64BV 8MByte/64MBit 7 minutes 53 seconds 1 minute 10 seconds
MXIC 25L12805D 16MByte/128MBit 2 minutes and 20 seconds

Version 1.00
Complete basic functions

Version 1.01
The 25 series adds 128K support at the request of fans.

Version 1.02
Multi-language added
Add SST mode (to be tested)
Intel hex files can be opened and saved (to be tested). The explanation of the Hex file format may be incorrect and is not recommended.
Add reading chip identification (to be tested)
Fixed several bugs

Version 1.03
Corrected the function of opening and saving Intel Hex files. The cross-save test with BINHEX is normal, and it can also be opened with other programming software.
Fixed multi-language functionality
Other changes

Version 1.04
Adding anti-window suspension will definitely affect the programming speed.
Add automatic verification function after programming is completed
The function of reading chip information has also been added on the left side.
Language files have changed
When working in programming, add disabling
Fixed the abnormal filling window range address
It is found that many chip programming instructions are different and cannot be solved by simply selecting the capacity. A major change will be made in the next version.

Version 1.05
Corrected the serious mistakes made by individuals in the previous version that caused all chips to be programmed incorrectly.
Remove SST mode and use chip parameter control in the chip database
Remove capacity selection and use chip database instead
Added to the chip database, the programming instruction parameters are stored in the database, and the method of selecting the manufacturer name of the chip type has been improved.
Add chip search and selection function
It is known that the ESMT 25 series of chips cannot be programmed. The problem needs to be solved. The main reason is that the chip is not available and the program cannot be debugged.

Version 1.06
Fixed the bug that the chip list will report Listbox index -1
Fixed the bug of abnormal chip search and filtering function

Version 1.07
Fix the BUG that WIN7 cannot run

Version 1.08
Remove the coloring function of modified content in the data area to increase the speed of the filling function
When increasing programming work, disable the function of opening, saving, filling, and exchanging to avoid misoperations.
Fix a wrong word in the language
SST and ESMT chips can be successfully programmed, but the speed is extremely slow (no help, these two do not support page programming mode)

Version 1.09
Change the form to maximize it, suitable for large screens and large fonts WIN7....
Remove dazzling text effects
Fixed KH chip programming problem
Add several models of chips to the chip database

Version 1.10
Added fast reading mode, which can be switched in the operation options window. The default is standard reading mode, otherwise it is fast reading mode.
Added SST/ESMT chip to use AAI programming mode, which can be switched in the operation options window. The default AAI programming mode is otherwise byte programming mode. If writing cannot be performed, please switch to byte programming mode.
Optimize the blank check reading and verification function, which is almost half the time faster than the original speed
Add status bar to display current operation status
Add option to verify after writing is completed

Version 1.11
Fixed an issue where a write timeout would be reported when writing immediately after erasing
Fixed an issue where sometimes it would be reported that the chip is not empty when empty checking immediately after erasing
Modify the option AAI programming mode. The default is unchecked.

Version 1.12
Modify to use USBIOX.DLL. If you want to use CH341DLL.DLL, put CH341DLL.DLL in the software directory, modify DriverDLL=dll file name in Config.ini and save it.
Add buffer data search function
Add buffer data jump function
Fixed the issue that individual 25T80 cannot be erased and programmed

Version 1.13
Modify the timing display format from "minutes:seconds:milliseconds" to "hours:minutes:seconds:milliseconds"
Added the ability to drag and drop files into the program to load
Add all selection buffer data to menu

Version 1.14
Added termination function, which can terminate during read and write operations.
Fixed an issue where the status bar displaying the status of the current operation is not refreshed in real time
Several chips have been added to the chip database

Version 1.15
25 chip expansion supports the maximum capacity to 256MByte/2048MBit chip. If the WINDOWS memory is less than 1G, please do not select it, otherwise it will not be able to load such large data, and it will cause the operating system to run out of memory and the system will slow down...
Fixed a bug that reported "write operation timeout failed" during programming for certain chips.
Added ability to remember the last used folder, which can be turned off in the options
Added memory window position and size, which can be turned off in the options

Version 1.16
Added Traditional Chinese language
Corrected the problem that some EON series chips in the chip database have incorrect capacities for some models
The chip database has added several chips again
Repeatedly correct the bug that reported "write operation timeout failed" when programming for individual chips.
Other minor changes and optimizations

Version 1.17
After adding automatic completion, there will be corresponding prompts
Fixed text error in prompt dialog box


Decompression password: softwaredownload4.com


Version: 1.29 Green Chinese version | Update time: 2025-10-23

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CH341A Programmer Review

  • 1st floor Huajun netizen 2021-03-17 13:28:02
    The CH341A programmer is very useful, thank you! !
  • 2nd floor Huajun netizen 2020-06-23 08:06:18
    The CH341A programmer interface design is easy to use and has rich functions. I highly recommend it!
  • 3rd floor Huajun netizen 2021-12-30 05:25:38
    The CH341A programmer software is very easy to use, the download speed is very fast and very convenient!

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