Ch341a programmer usb to uart iic spi i2c convertor parallel. The manufacturer of ch341a chip offers drivers for all operating systems. The main purpose of the ch341a programmer is to back up, erase, program, calibrate and other actions on various software. Is there any way i can test out, interface directly with. Create a project open source software business software top downloaded projects. The ic is somehow limited in this configuration, because the programmer makes use only of the spi and i2c interface. I recently found another linux kernel driver i2cch341usb available at. Ch341a usb to i2ciicspiuartttlisp serial adapter eppmem. Code issues 2 pull requests 0 actions projects 0 security insights. Ch341a mini programmer black edition latest software free. In spite of this, software tools for ch341a are not very easy to find. It can be interfaced with parallel ports, serial ports, i2c and spi devices. The chip is manufactured by chinese company jiangsu qinheng ltd.
It is a mini portable eeprom and bios programmer, that connects via your usb port. Use ch341a with asprogrammer on windows one transistor. New usb device found, idvendor1a86, idproduct5523 1982. In uart mode, ch341 provides alternant rate control signals such as serial transfer enable, serial receive in ready etc. This will be a brief guide on using it under windows. Way back in the days of dos, philips had a simple printer port interface and utility program that bitbanged i2c, but with the removal of legacy ports, and increased security on direct hardware access thats no longer viable on a modern pc buspirate is actually a mcu with a usb cdc interface. Ch341a usb to uart iic spi ttl isp eppmem parallel port. Aug 05, 2015 download i2c eeprom programmer for free. Usb serial ch341a now has a special edition for these windows versions. Ch341 eeprom and spi flash programmer tosiek kodowanie. About 56% of these are integrated circuits, 2% are development boards and kits, and 31% are other electronic components. It also seems to have drivers for windows 98, 2000, xp, 2003, vista, and server 2008 as well. Dumping firmware with the ch341a programmer black hills. First download this zip which contains the driver, software, and eeprom dumps.
The device actually has rs232, i2c, spi, and 8 general purpose io gpio pins. This part comes completely without any documentation. Best value ch341a programmer great deals on ch341a. Ch341a programmer usb to uart iic spi i2c convertor. Best value eeprom great deals on eeprom from global. During the early days of the dot com boom, our online pc maintenance tools were skyrocketing. Hell send you an email back with a paypal link, warn you not to pirate his stuff, and ask for a address apparently because gmail will not. Super fast universal standalone gang programmer with eight independent. It also supplies common modem communication signal in order to expand uart for. Controling the i2c bus with autoit with the ch341 or. Wch ch341 eeprom programming tool an i2c serial eeprom programming tool for the winchiphead ch341 ic. I2cprog supports standalone and incircuit serial memory chip burning for all popular i2c eeproms. Discover over 6015 of our best selection of 93cxx eeprom programmer, 93 eeprom programmer. Ch341a all in 1 usb to spi i2c iic uart ttl isp description.
Documents and software related to the famous ch341a used in i2cspi flash programmers. We will send to you a series of eeprom can support 24 and st, winb ind, amic, mxic, sst, spansion, eon, pmc, etc. Official driver packages will help you to restore your usb eppi2c. Additionally, ch341a data pins that are not used for synchronous serial interfaces can be configured as gpio pins. Is there any way i can test out, interface directly with i2c. Become a software engineer at top companies sponsored.
Download file list wch ch341 eeprom programming tool osdn. Best value eeprom great deals on eeprom from global eeprom. The driver can be used with ch341a usb to uarti2cspi adapter boards to connect i2c devices to a linux host additionally, ch341a data pins that are not used for synchronous serial interfaces can be configured as gpio pins. Ch341a drivers were collected from official websites of manufacturers and other trusted sources. If youre looking for the latest software version 1. Here i want to present results to use a very cheap usb to i2c bus chip ch341a. Dataman 448pro2 super fast gang isp production programmer. Windows 7, windows 7 64 bit, windows 7 32 bit, windows 10, windows 10 64 bit, windows 10 32 bit, windows.
Ch341a 24 25 series eeprom flash bios usb programmer. Discover over 6015 of our best selection of 93cxx eeprom programmer, 93 eeprom programmer, 95080 eeprom. Features product features ch341a usb control chip insidefullspeed usb interface compatible with usb v2 0 the design of the standard usba male computer usb power supply the simulation standard serial used to upgrade serial peripherals additional serial port or via usb supports 3 3v and 5v ttl. Universal 40pin chip programmer with isp capabilities and usb 2. All you need are the drivers and the asprogrammer software which can be found in the following links. Apr 15, 2018 ch341a is used by some cheap memory programmers. The ic is somehow limited in this configuration, because the programmer makes use.
Usb to i2c and spi only provides download and debug i2c interface eeprom chip and spi interface flash chip software, no debugging othe ri2c and spi interface chip software. However the fact that you simply access it from a terminal rather than needing proprietary. Documents and software related to the famous ch341a used in i2cspi flash programmers also called as bios programmers. Shop the top 25 most popular ch341a programmer at the best prices. A popular device is the socalled ch341a miniprogrammer that you can buy for 2 to 5 usd. Ch341 eeprom and spi flash programmer tosiek kodowanie znakow. The driver can be used with ch341a usb to uart i2c spi adapter boards to connect i2c devices to a linux host. They even offer api for programmers who want to build software to talk to ch341a.
Most simple way to access your hardware from pc using i2c,spi interfaces and gpio. C message is a write transmission, the least significant bit will be sent as a 0 while if it is a read, the software will append a 1 in the lsb position. Ch341 usb to uart, i2c, spi parallel breakout board. The problem is that this device comes asis, without any documentation or software. It is possible to flash those cheap 1eur attiny85 usb dongles digispark clones with an i2c usb firmware, add some gpio expanders mcp23017 has 16 gpios, pcf8574 has 8 gpios that can be addressed over i2c, and this setup will work out of the box on most linux machines, as the i2c tinyusb kernel module is already precompiled on most distros. This came from the driver cd that came with a cheap ch341 based usb to serial adapter that had numerous other drivers on the cd as well. Controling the i2c bus with autoit with the ch341 or ch341a usb chip if i only knew of the lack of documentation i wouldnt have bought the chip maybe but i wanted a simple solution to connect i2c devices to the pc. Is there any way i can test out, interface directly with i2c and spi. Getting started with lc ch341a usb conversion module. Ch341a 24 25 eeprom flash bios usb programmer burner.
Osdn find software external sites wch ch341 eeprom programming tool download file list. Ch341a is an usb interface chip that can emulate uart communication, standard parallel port interface, parallel communication and synchronous serial i2c, spi. Wch ch341 eeprom programming tool an i2c serial eeprom programming tool for the wch ch341a brought to you by. China us eeprom, china us eeprom manufacturers and. Ch341a eeprom flash bios usb programmer abra electronics. Ch341a programmer software download jobs, employment.
When selecting addresses within usbtoi2c, the software assumes the least significant bit is zero write. Controling the i2c bus with autoit with the ch341 or ch341a. Updated january 2020 this is the full installation package for usbtoi2c pro and usbtospi pro. Please note that this repository is a coagulation of knowhow from different sources. Wch ch341 eeprom programming tool an i2c serial eeprom programming tool for the wch ch341a. Ch341a 24 25 series eeprom flash bios dvd usb programmer with software and driver c1b5introduce.
Great for programming 24 series eeproms via i2c and 25 series bios via spi communication protocol. Recently i bought dollatek ch341a usb zu uartiicspittlisp adapter eppmem parallelwandler with very promising features from ch341a usb to uartiicspittlisp adapter eppmem parallel converter standard parallel printer port lpt interface. Discover over 444 of our best selection of ch341a programmer on with topselling ch341a programmer brands. You can by this chip drirectly via ebay, search with keywords usb i2c. This is the correct driver for the serial adapter, and it includes drivers for windows 7 x64. Mar 10, 2019 ch341a is an usb interface chip that can emulate uart communication, standard parallel port, memory parallel port and synchronous serial i2c, spi. Getting started with lc ch341a usb conversion module hpaluch. The driver can generate software interrupts for all input pins. Ch341a i2c programming windows api engineering hub.
A wide variety of ch341a programmer options are available to you. Ch341a is the usb interface chip capable of i2c, spi and serial communication. Pc pitstop began in 1999 with an emphasis on computer diagnostics and maintenance. Ch341a programmer software download jobs, employment freelancer. Introduction ch341 is a usb bus convert chip, providing uart, printer port, parallel and synchronous serial with 2wire or 4wire through usb bus. A series of eeprom can support 24 and st, winb ind, amic, mxic, sst, spansion, eon, pmc, etc. Ch341a mini programmer schematic and drivers one transistor.
The unit is supplied with two four pin headers to be soldered onto the 16 pin and 8 pin soic converter board. Asynchronous serial port, rs232, rs485, etc print port, parallel port, epp or mem mode and the commonly used 2wire and 4wire synchronous serial interface. Zip usb driver for ch341 chip in uart mode not needed in most windows. Ch341a mini programmer schematic and drivers tadelectronics. Documents and software related to the famous ch341a used in i2c spi flash programmers also called as bios programmers. Ch341a usb to i2ciicspiuartttlisp serial adapter epp.
Documents and software related to the famous ch341a used in i2c spi flash programmers also called as bios programmers bosejich341store. Ch341a is an usb interface chip that can emulate uart communication, standard parallel port, memory parallel port and synchronous serial i2c, spi. Ch341a usb to uart iic spi ttl isp eppmem parallel port converter module onboard operating indicato. Updated january 2020 this is the full installation package for usbto i2c pro and usbtospi pro. Ch341a usb to i2c and gpio linux kernel driver github. There was a time when usb to serial hardware meant one company. Microchip have some usb to spi and i2c bridge chips, and many of the more.
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