The API becomes interesting due to the versatility of the chip. You can also interface parallel devices to the chip, but this will require modification of the programmer board in order to connect to pins. There are also some other programmers and boards based on this chip. Here is an overview: CHA Programmers and boards overview. Share this: Twitter Facebook. Like this: Like Loading Related Bo Wen.
Related issues. Resource review. The core technology category. I think there must be a way. Thanks in advance. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. Pin Share Deepak August 18, at am. Ilyas abbsi August 20, at am. Shahbaz fiaz October 3, at pm. Shafeeque ahmad December 7, at pm. Shabbir August 31, at pm. Sanjay kinkhabwala February 3, at am. If nothing happens, download Xcode and try again.
If nothing happens, download the GitHub extension for Visual Studio and try again. There are 4 major items that become clear from the enclosed Datasheet English. The Main uses that this chip finds is programing SPI flash chips. So ideally these programmers can actually help you swap the Linux image on a WiFi Router. Also it has been reported that this programmer can be used to recover bricked or locked out BIOS from laptops. Folks at Onetransistor have been kind enough to provide a schematics also:.
I have one of these arriving to programme some 24Cxx devices. I don't think the 3. However if the pull ups are powered from 3. That was a difficult question. I took the multimeter and measured again the voltages on the idle I2C bus. I unplugged the programmer and tried to measure resistance between I2C bus pins and power line 3.
Nothing conclusive. So I returned to datasheet. Here is what it says in the Chinese PDF at page 3, section 4. The pull-ups are therefore built-in. What would be pulling SCL up if it weren't the built-in resistors? Hi, reading chinese datasheet for CH and at end of chapter 5. When using a 5V supply voltage, the VCC pin of the CH chip inputs an external 5V power supply, and the V3 pin should be externally connected with a power supply decoupling capacitor of 0.
When working with 3. The operating voltage of other circuits connected to the chip cannot exceed 3. As far as I understand, that mean, that chip have internal 3. It mean, it always use 3V3 for communication with eeprom.
Provide 5V I considered creating a voltage divider to step the voltage down but after a little Googling, I came across the CHa with the 1. I decided to order it with one-day shipping. After I worked with it and was able to successfully dump the firmware from the 1. This blog is targeted for all audiences. It might be a little too step-by-step for intermediate or experienced people who have dumped firmware with other tools but I wanted to include the beginner as well because we all started somewhere right?
Below is a picture of the CHa package that I got. I will include links at the end of this blog on which items I bought or reference. The CHa is very easy to set-up.It is in zip format. Download from given link below and extract it to use. You do not need to install this software version. This is like portable just flash drive file recovery software free download extract and use. Dear agar ap progrrammer adapter se kar rahe hen to woh apse sahi connect nai ho raha hoga. Hello I also buy cha bit not connect. Always show sign not connect plz send men software and driver plz Shahbaz. Aslamulekum bhai kese ho bahi mjko ye ch341a usb mini programmer software free download chehye kaha se mlega or ktne ka hy amini ye mera mobile no hy pls helpe me. Sanjaykinkhab99 gmail. Somebody commented that this programmer is unable flash Dell bios of 8mb size. And this only works with 1mb flash files. Please advise. Support 8MB flash as well. I have shared the video of 8mb flash ic read and write by CH on my channel. Sir me jab ali ka loader open krta ho to step 2 download me koch nahe ata zsynchronizing STBs be nahe leka hota ha ye kia waja hosakte ha ch341a usb mini programmer software free download Salaam Bhai aap k sarey videos bht hi helpfull hen thanks for supporting us allah hamisha aapko khosh rakhe ek masla hey sir. Masla ye hey is reciver sey chnel delet b nhe hotey hen o search ch341a usb mini programmer software free download nhe hotey hen software upgrade b nhe hoti loder sey b nhe horehey ch341a usb mini programmer software free download software prigrammer kar leta hey par born failed hora hey USB sey b same masla ata hey flash born faile. Plz plz help us. Oct 10, - CHA Mini USB Programmer This software is for CHA mini usb bios programmer both Black and Green. Documents and Software Related to the famous CHa used in I2C/SPI Flash Programmers Source: onoroff.bizprogrammer-schematic. UART - The chip can be used as a USB to UART converter. We have downloaded the drivers from Jiangsu QinHeng Ltd Website hence all. You can download the latest software free of cost for both Black and Gr onoroff.biz is a portable Software and Driver for CHA Mini USB Programmer. CHA Mini Programmer Software For Black Edition; and it also works with the Green one. It is the latest software for this programmer. It has all the drivers. CHA Mini Programmer Software Free Download. Genius G USB Programmer Software. June 24, An overview of CHA devices with driver and tools download links. CHA is an USB interface chip that can emulate UART communication. After downloading the software and installing it on my Windows laptop, clip at the bottom of this blog along with a link for the CHa programmer. We connect the CHa to the USB port on our Windows PC and open. I am here to provide you software files for CHA 24/25 Series EEPROM Flash BIOS mini programmer. The easy USB tool for a software. You can download it from here. Devices to be used with CHA Programmer. CHA programmer is complete package a user can done work. FREE AVAILABLE. All CHA MINI PROGRAMMER All VERSION FREE AVAILABLE Supports download STC series procedure of single chip. SPI pin to 1x CHA 24 25 Series EEPROM Flash BIOS USB Programmer CHA Mini Programmer windows software with Driver, V, Click Here. In the pictures the wiring is hooked up correctly to the programmer to allow for flashing as described below. Had to knock off one star for the lack of documentation, quirkiness, and amount of research involved just to use this device properly. Normally the buffer should fill on the interface and the solid lines of FF should be replaced in large part by codes in hexadecimal. All Rights Reserved. Alternatives: CHA Programmer v1. But it worked as expected. Maid dill pickles. How to do mining on Ethereum? Guide Guide — Part 1: Prepare the motherboard. It will be necessary to disassemble the BIOS of the motherboard and put it directly on the small integrated circuit as in the image below. Free shipping for many products! PA Tech Videos and More! There are two versions of the mini SPI program: one black the one I used, see image below , one blue.