RS232 RS485 USB Converter Board

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Revision as of 03:34, 4 November 2006 by Yan (talk | contribs) (transfer this converter page from my server to opencircuits.com)
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Features

  • for low traffic and low speed application
  • mcu, RS232, RS485/RS422, slave usb all can be interchangeable.
  • usb side
    • support platform in linux with usb driver
    • simulated uart programming in application level
  • rs232 to rs485 side
    • Tested max. baudrate is 115200(i assume more high baudrate can be accepted, but i have not tested)


Technical

RS232


USB


RS485

  • chips
    • Linear Technology Corp., LTC2859 and LTC2861
    • DS3695


Circuit and PCB

svn checkout http://chungyan5.no-ip.org/svn/open_svn/converter/trunk

  • We have components and PCB, Or some have already soldered, if needed email to us: yan