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FT231X – Full Speed USB to Full UART

USB DriverNote that this is the FT231X specifications and not that of the FT230X IC also on this website which are all manufactured by FTDI. The FT231X is also extensively used in adapter cables for computers as well as televisions and these have been listed below. It offers a compact bridge to full handshake UART interfaces. The IC makes it easy to add to a system design and it also offers the full FT-X series feature set as can be seen below.

FT231X – Full Speed USB to Full UART

The baud rate is between 300 baud to 3 Mbaud and comes with a 512 byte receive buffer and 512 byte transmit buffer. The higher data throughput is facilitated by the buffer smoothing technology it uses. The IC has an integrated clock generator so no external clock is required. The USB protocol is handled by the the IC so no USB specific firmware programming will be required. You can also make use of the standard UART driver which you can find here. This is used by Connecmax in their Android-RS232 cable with FT231X IC. Their cable is for Android V3.1 or higher and connects the Android phone to the adapter. The IC is low powered (8mA) with a 2048 byte EEPROM for instruction storage. The application use is wide and includes the evaluation boards made by Shenzhen Ding Xin Yuan.

 

Brand Name Chipset Model Number Connector
Connecmax FT231X  MRCE002
Ewormart  FT231X+MAX3232 USB RS232-DB9 female USB TO db9 female
Shenzhen Ding Xin Yuan FT231X BOB-11736 UART TO USB

 

The FT231X IC comes with the full features of FT-X series which have been added below and has been used for USB to RS232/RS422/RS485 converters as well as Digital Camera Interfaces connecting to a USB port. The features also allows for a Dedicated Charger Port (DCP) which makes charging the battery faster. The following features are included.

  • The FT231X is USB 2.0 Full Speed compatible;
  • There is also low USB bandwidth consumption;
  • The IC also has an internal 3.3V/1.8V LDO regulators;
  • There is also True 3.3V CMOS drive output and TTL input;
  • Note that it has an integrated +3.3V level converter for USB I/O;
  • It sports bus powered, self powered and high-power bus powered USB;
  • Battery Charger Detection;
  • Configurable CBUS I/O pins;
  • Royalty free drivers;
  • 512 byte receive buffer and 512 byte transmit buffer.

These are some of the features of the FT231X.

Note that there are Linux as well as Windows drivers which will allow you to make use of the IC in your evaluation board or your UART to USB products. You can search this website for other products which also use different versions of this IC.

 

 

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About Tracey Brown

I develop websites and content for websites related to high tech from around the world. See more pages and content about technology such as USB and other IT developments around the world. You can follow the other websites as well and search this website for more information on mobile phones and other USB components.