UM232R - USB to serial UART development module for the FT232R

The UM232R module is a USB - Serial UART (TTL) development module for the FT232R IC device.

The UM232R is a development module which uses FTDI's FT232RL, one of FTDI's range of USB to UART interface integrated circuit devices. The FT232RL is a USB to serial UART interface with optional clock generator output, and the FTDIChip-ID™ security dongle feature. In addition, asynchronous and synchronous bit bang interface modes are available.

The FT232RL adds two new functions compared with its predecessors, effectively making it a "3-in-1" chip for some application areas. The internally generated clock (6MHz, 12MHz,24MHz, and 48MHz) can be brought out of the device and used to drive a micro-controller or external logic. A unique number (the FTDIChip-ID™) is burnt into the device during manufacture and is readable over USB, thus forming the basis of a security dongle which can be used to protect customer application software frombeing copied. (Safe-Guard-IT). The UM232R is supplied on a PCB which is designed to plug into a standard0.6" wide 24 pin DIP socket.

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  • Single chip USB to UART synchronous serial data transfer interface
  • Entire USB protocol handled on the chip - No USB-specific firmware programming required
  • UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity
  • Fully assisted hardware or X-On / X-Off software handshaking
  • Data transfer rates from 300 baud to 3 Megabaud (RS422 / RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232)
  • FTDI‟s royalty-free VCP and D2XX drivers eliminate the requirement for USB driver development in most cases
  • In-built support for event characters and line break condition
  • USB FTDIChip-ID™ feature
  • Configurable CBUS I/O pins
  • Auto transmit buffer control for RS485 applications
  • Transmit and receive LED drive signals
  • New 48MHz, 24MHz, 12MHz, and 6MHz clock output signal options for driving external MCU or FPGA
  • Receive and transmit buffers for high data throughput
  • Adjustable receive buffer timeout
  • USB bulk transfer mode
  • +4.0V to +5.25V Single Supply Operation
  • Low operating and USB suspend current
  • Low USB bandwidth consumption
  • UHCI / OHCI / EHCI host controller compatible USB 2.0 Full Speed compatible
  • -40°C to 85°C extended operating temperature range
  • Supplied in PCB designed to fit a standard 15.0mm (0.6") wide 24 pin DIP socket. Pins are on a 2.60mm (0.1") pitch.
  • USB to RS232 / RS422 / RS485 Converters
  • Upgrading Legacy Peripherals to USB
  • Cellular and Cordless Phone
  • USB data transfer cables and interfaces
  • Interfacing MCU / PLD / FPGA based designs to USB
  • USB Audio and Low Bandwidth Video data transfer
  • PDA to USB data transfer
  • USB Smart Card Readers
  • USB Instrumentation
  • USB Industrial Control
  • USB MP3 Player Interface
  • USB FLASH Card Reader / Writers
  • Set Top Box
  • PC - USB interface
  • USB Digital Camera Interface
  • USB Hardware Modems
  • USB Wireless Modems
  • USB Bar Code Readers
  • USB Software / Hardware Encryption Dongles
  • USB Medical applications.
FTDI Modules

The UM232R module is a USB - Serial UART (TTL) development module for the FT232R IC device.

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Last updated: 1 September 2013