Rs 485rs 422 transceivers maxim offers over 160 rs 485rs 422 transceivers for applications such as automotive, hvac, metering, and point of sale pos. Usb serial rs232 loopback test and troubleshooting. Welcome to ftdi chip offering a wide range of products including modules, cables, and integrated circuits for usb connectivity, super bridging mcus and display systems. The usb to serial ch340e ic is a usb bus conversion chip, it can realize usb to uart interface or usb to printer interface. Emulates a com port or an ethernet device, that generates a serial stream of data. Please be warned that counterfeit fake pl2303hx chip rev a usb to serial controller ics using prolifics trademark logo, brandname, and device drivers, were being sold in the china market. Pl2303 windows driver download prolific technology. A max232 or similar chip is used to convert this to rs232 level.
The major problems with the prolific pl2303 chip and its drivers. Rs485 transceivers are available in both industrystandard packages and small, spacingsaving packages. Texas instruments serial port controller usb interface ic are available at mouser electronics. The pl2303ra provides a convenient solution for connecting an rs232 fullduplex asynchronous serial device to any universal serial bus usb capable host. Usb to rs232 serial converter range of cables datasheet version 1. Its drivers have been released in countless versions for every flavor of windows beginning with windows 9598 up to and including the latest windows 864. Serial port cards free delivery possible on eligible purchases.
If the prolific usb to serial drivers below do not work then see the usb to rs232 driver for more information as it uses more than one option. Maxims esdprotected rs232 transceivers save board space by integrating protection diodes. One of the most widelyused chips in lowcost serial usb dongles and usb gps devices is the prolific technology pl2303. For other systems, you should download the drivers from our cablecreation official site. So in 102012 they deliberately modified their windows 64 bit driver so that it would refuse to work with this chip on windows 8. Usb rs232 ftdi designs and supplies usb semiconductor devices with legacy support including royaltyfree drivers. The usbrs232 cables use ftdis ft232rq usb to serial uart ic device. These cables are supported with microsoft whql certified vcp drivers for windows, apple mac, and linux. A costeffective solution that bridges the compatibility gap between modern computers and legacy serial. Buy usb to rs232 adapter with ftdi chipset, cablecreation 3. In device manager, in section universal serial bus controllers in context menu.
The cables provide a fast, simple way to connect devices with a rs232 level serial uart interface to usb. Prolific provides highly compatible virtual com port drivers that simulate the traditional com port on most operating systems allowing the existing applications based on com port to easily migrate and be made usb ready. The ft232r is a usb to serial uart interface with optional clock generator output, and the new ftdichipid security dongle feature. Can any one suggest me a ic that converts rs232 microcontroller to usb pc with minimum pin count. There is also an explanation here usb to rs232 driver which also uses a prolific usb driver.
Ftdi semiconductors is a scottish company specializing in usb serial processor chips and has been in business since 1992. The thunderlinx usb to serial adapter is using the ft231x processor from ftdi semiconductors which is a full featured processor from ftdis new generation of usb serial processor chips. Ti helps you find the right rs232 transceiver or line driver for your system design using a wide variety of commonly used parameters. In order to setup the driver you need to download the correct usb driver file and run the installer in the file. For data loggers with an rs232 port, only a serial or usb to rs232 cable sometimes called a usb toserialadapter cable is needed. The above design consists of a ft2232 usb serial processor from ftdi, which is a dual serial port processor. Usb serial drivers for prolific chip adapters serialgear. The pl2303ra is a low cost and high performance usb toserial bridge controller with builtin rs232 transceiver. Hl340 usb to rs232 adapter with cable hl340 tinytronics. Once this has been installed you then need to reboot the computer. A max232 chip can be added to bring the signals to rs232 level. Please be warned that counterfeit fake pl2303hx chip rev a usb to serial controller ics using prolifics trademark logo, brandname, and device drivers. It also serves as an evaluation cable for the ft231x.
Here is the signed driver for ch340 chip which i used it to install my. Although any usb to rs232 cable should work with the appropriate drivers, there is a better chance of success using the usb to rs232 cables sold by campbell scientific. Compatible with mac, linux, and pc, this adapter has the best usb to rs232 implementation we have seen. Counterfeit ic products show exactly the same outside chip markings but generally are of poor quality and causes windows driver compatibility issues. The pl2303hx highly compatible drivers could simulate the traditional com port on most operating. The pl2303 usb toserial chip not only provides driver solutions for windowsmaclinux but now also for android os platforms.
Usb to rs232 driver this is the rs232 driver for the usb adapter. Pl2303ra provides a convenient solution for connecting an rs232 fullduplex asynchronous serial device to any universal serial bus usb capable host. The manufacturer ftdi of the processor chips and drivers for our usb to serial rs232 and rs485 adapters ultimate and pro versions has validated that the drivers will work correctly with all released versions of. Automatically reassigns com values to each port to avoid additional configuration. Texas instruments serial port controller usb interface ic. It utilises the minimum number of components required for a basic usb rs232 converter designed using the ft231xs. Features, specifications, alternative product, product training modules, and datasheets are all available.
It provides an advanced fullfeatured single chip bridge solution for connecting a fullduplex uart asynchronous serial interface device to any universal serial bus usb. Drivers for usb serial converter and usb serial port were successfully installed. Our singlesupply rs232 transceivers provide rs232 communication with only one power rail. The ftdi chipix10 is the latest cost effective version of ftdis usb to rs232 converter cable range. Multithreaded tty is an easy to use high performance rs232 serial terminal program. Supports data transfer speeds up to 230 kbpsdouble the speed of a builtin serial port. For windows usb serial adapter cables using prolific chip also mac and linux drivers for usb serail cables as well as x86 64bit. Usb bridge devices use a special vendor class, as usb to serial is not strictly covered by the standard. Uc232r10 ftdi chip, 10 cm white usb to rs232 cable.
Based on the ftdi chipset which we use in many of our own products, we know whats inside. The new pl2303gs chip is one of the latest gseries ic product added to the popular pl2303 usb to serial uart bridge controller family. The receiver input translates rs232 signal levels to common cmosttl levels. Buy usb to serial adapter 1 port usb powered ftdi usb uart chip db9 9pin usb to rs232 adapter icusb2321f, black. Application areas include usb rs232, usb serial, usb parallel, usb docking stations and upgrades of legacy designs to usb. Prolific technology is a ic design house company and asic design service provider for usb smart io usb to uart, card readers, external usb drive, intelligent green energy saving, and mixedmode hall sensor solutions. Prolific pl2303 usbuart for android free download and. Pl2303ra usb to serialuart bridge controller internal. Usb to serial adapter rs232 for windows 8 windows 8 is on the street and us converters have a usb to serial adapter ready. Usb powered, so no bulky or obtrusive external power.
Using the ft231x chip combined with an rs232 level converter and a few. How can i find out what chip is used in usb serial rs232. This compact adapter features com retention, allowing the same com port value to automatically be reassigned to the port if the. Windows 10 will finally solve usb serial driver install for all class. The cheapest usb to serial chip on the market appears to be the ch340g. The usb rs232a converter features a prolific chipset for the best combination of performance and wide driver support. At a block level a usb to serial adapter consists of a usb serial processor chip, a serial driver chip and if the adapter is isolated there will be optocouplers in front of the usb and or serial ports. A loopback test can verify if your usb to serial rs232 adapter has been installed properly and if it can send and receive data as intended. Here you will find useful tools, utilities and diagnostics software for serial communication, including drivers and user manuals for all our products. A range of hardware modules designed to develop with the ft60x series of usb3.
The serial pins of a microcontroller use asynchronous serial at the 3v or 5v level. Rs232 to usb adapter cable with db9 serial connector lets you connect rs232 devices to your computers usb port. Our faultprotected rs232 transceivers can handle both input short circuits and inputs up to 70v, without adversely affecting the transceiver ic. Ftdi chip strives to bridge multiple technologies and supports this strategy with featurerich products that include technical documentation, applicationsoftware examples. Usb to serial adapters rs232 and rs485 for windows 8. Designed for windows usb easy transfer cables and the microsoft windows easy transfer wet program or prolifics pclinq file ransfer software, it can transfer files at up to 5gbpssuperspeed usb and is backward compatible with all usb3. Browse digikeys inventory of rs232, rs422, rs485 transceiversrs232, rs422, rs485. The pl2303hx provides a convenient solution for connecting an rs232 like fullduplex asynchronous serial device to any universal serial bus usb capable host. Install the provided cdrom driver to your pc or laptop to enable this adapter you can also find the driver at our cablecreation official site. The pl2303hx is a low cost and high performance usb toserial bridge controller. Serial cables free delivery possible on eligible purchases. Chipix10 is ce and fcc approved and provides a quick and simple usb rs232 solution. The icusb2321f 1port usb to serial rs232 adapter cable with ftdi chipset and com retention converts an available usb 1. This highquality usb to rs232 serial adapter is the only commercial adapter we recommend.934 1384 38 799 212 971 1112 428 132 904 467 1124 766 950 927 1122 193 602 562 608 1073 1285 867 155 489 1387 1229 444 1175 759 83 676 879 696 494 774 170