FTDI USB-Serial Cable 3.3Volts


  • Model: TTL-232R-3V3
  • Shipping Weight: 0.035Kg
  • 0 Units in Stock
  • Manufactured by: FTDI

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The TTL-232R-3V3 is a USB to Serial (TTL level) converter cable which allows for a simple way to connect TTL interface devices to USB.  This version of FTDI's USB to TTL serial adapter cables has it's I/O pins configured to operate at 3.3V levels.

The TTL-232R-3V3 uses a FT232RQ device which is housed inside the USB 'A' connector and is terminated at the end of a 1.8 meter cable with a 0.1" pitch header socket which provided access to transmit (Tx), receive (Rx), RTS# and CTS#.  These lines all operate at 3.3V levels.  Also brought out on the header are Vcc (5V), and GND.

The TTL-232R-3V3 is fully RoHS compliant and is supplied loose packed in an anti-static bag.  It is FCC and CE approved.

To learn more about the TTL-232R-3V3, click here.


  • 6 way 0.1” header connector (Tx, Rx, RTS#, CTS#, VCC, and GND).
  • 3.3V CMOS drive outputs and 5V safe TTL inputs makes the TTL-232R easy to interface to 3.3V MCUs.
  • TTL-232R-3V3 Converter Cable provides a USB to TTL Serial header interface (6 way, 0.1” pitch).
  • USB 2.0 Full Speed compatible.
  • Data transfer rates from 300 Baud to 3 Mega Baud at TTL levels.
  • Cable supply voltage comes from USB - no external supply required.
  • 5V output allow devices to be powered from the USB port.

VCP Drivers

TTL-232R-3V3 Datasheet

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