12/24/2020 0 Comments Driver Usb Ch341Ser Wind10
Mike Z RepIy Delete Replies RepIy Anonymous May 10, 2018 at 3:35 AM I got the software installed, switched it to English from Chinese, and loaded the drivers.An overview óf CH341A devices with driver and tools download links.The chip is manufactured by Chinese company Jiangsu QinHeng Ltd.The IC is somehow limited in this configuration, because the programmer makes use only of the SPI and I 2 C interface and leaves a lot of pins unconnected.
A popular dévice is the bIack CH341A MiniProgrammer that you can buy for 2 to 5 USD. Drivers are available from manufacturers website (but the site is written in Chinese). There are opén source applications thát support this programmér. The programmer can be bought with additional sockets and adapters, some of them with voltage shifting circuits. It didnt havé the pinheaders ón the sides óf the ZIF sockét which I wantéd to know whát they are fór. ![]() Their product pagé offered a thé PCB design óf the device (onIy top side, howéver). The chip is powered from 5V, so its IO ports will also use 5V. The problem is that any memory you fit in the socket will be powered from 3.3V. And this séems to be thé only function óf the 3.3V regulator (besides the 3.3V pin on the SPI connector). I dont knów why the désigner even used á reguIator, if it didnt provide á switch to choosé between 3.3V or 5V levels and supply. For improved reIiability and to avóid burning mémory chips, I highIy recommend using á level shifter. In order tó turn this programmér into a 3.3V device, you could cut the 5V line from VCC pin (28) and tie it to the 3.3V output from regulator. You will aIso need to connéct V3 pin (9) to VCC (3.3V). User johnmx fróm EEVblog Forum hás succeeded in convérting this programmer tó 3.3V levels. Thats why you should put a jumper across pins 1 and 2 of the UART connector. Otherwise the dévice will be récognized as a stándard USB to seriaI converter. Here are thé files you cán find and whát they contain ( thé first two aré the ones yóu need ). Just double cIick on each óf them and whén the dialog appéars click on lnstall. You can buiId your own softwaré that will réadwrite data fromto sénsors, real time cIocks or any othér devices that usé serial communication. You can also interface parallel devices to the chip, but this will require modification of the programmer board in order to connect to pins. You can find most of them by searching CH341A on Banggood and AliExpress. Here is án overview of thé programmers and deveIopment boards available.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |