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    Manufacturer: FTDI

    This product has reached End-of-Life.


    The FT8U232AM is not recommended for new designs - use the FT232BL,FT2232D or FT232RL instead.


    The FT8U232AM USB UART is the ideal solution for upgrading legacy RS232 designs to USB.It comes complete with royalty-free drivers for most common operating systems.Features include data transfer rates of up to 3M Baud, a full set of modem handshaking controls and a compact 32LD LQFP package.



    Product Information
    Key Hardware Features
    • Single chip multi-function data transfer solution
    • RS232 link from 300 Baud to 920K Baud
    • RS422/RS485 link to 2000K Baud
    • 384 Byte Rx buffer/128 Byte Tx buffer for high data throughput
    • Full hardware assisted or X-On/X-Off handshaking
    • Support for event characters and line break condition
    • Auto transmit buffer control for RS485
    • Compact 32-pin (7mm x 7mm) MQFP package
    • Integrated 6MHz - 48MHz clock multiplier aids FCC and CE compliance
    • Integrated 3.3V regulator - no external regulator required
    • 4.4V to 5.25V single supply operation
    • UHCI/OHCI compliant
    • USB 1.1 specification compliant
    • USB VID, PID, serial number and product description strings in external EEPROM



    Application Areas
    • USB ISDN and ADSL modems
    • USB 56K/V90 modems
    • USB <=> PDA interface cables
    • USB <=> RS232 converters/cables
    • USB <=> RS422/RS485 high speed industrial links
    • USB digital cameras
    • USB interface for MP3 players
    • Ultra-high performance serial port for legacy - free PC system boards/Easy PC's
    • USB instrumentation
    • USB <=> USB data transfer cables
    • USB <=> USB null-modem cables
    • USB <=> serial bar code readers
    The FT245BM is the 2nd generation of FTDI's popular USB FIFO device and the FT245BL is a lead free version of it. The FT245BQ provides the same functionality as the FT245BM and FT245BL in a QFN-32 lead free package.


    This device not only adds extra functionality to its predecessor (FT8U245AM) and reduces external component count, but also maintains a high degree of pin compatibility with the original making it easy to upgrade or cost reduce existing designs as well as increasing the potential for using this device in new application areas.



    Product Information




    Key Hardware Features
    • Single Chip USB <=> parallel FIFO bi-directional data transfer
    • Data transfer rate of up to 1M Byte/second (D2XX drivers)
    • Data transfer rate of up to 300K Byte/second (VCP drivers)
    • Simple to interface to MCU/PLD/FPGA logic with a 4-wire handshaking interface
    • Entire USB protocol handled on-chip: no USB-specific firmware programming required
    • FTDI's royalty-free VCP and D2XX drivers eliminate the requirement for USB driver development in most cases
    • 384 Byte FIFO Tx buffer/128 Byte FIFO Rx buffer for high data throughput
    • New send immediate support via SI pin for optimised data throughput
    • Support for USB suspend/resume through PWREN# and WAKEUP pins
    • Support for high power USB bus powered devices through PWREN# pin
    • Adjustable Rx buffer timeout
    • Built-in support for event characters
    • Integrated level converter on FIFO and control signals for interfacing to 5V and 3.3V logic
    • Integrated 3.3V regulator for USB IO
    • Integrated Power-On-Reset circuit
    • Integrated 6MHz - 48Mhz clock multiplier PLL
    • USB Bulk or Isochronous data transfer modes
    • New Bit-Bang Mode allows the data bus to be used as an 8 bit general purpose IO port without the need for MCU or other support logic
    • 4.35V to 5.25V single supply operation
    • UHC/OHCI/EHCI host controller compatible
    • USB 1.1 and USB 2.0 compatible
    • USB VID, PID , serial number and product description strings in external EEPROM
    • EEPROM programmable on-board via USB
    • Compact 32-LD LQFP or QFN-32 package
    • Available as a Lead-free device (FT245BL and FT245BQ) compliant to EU directive 2002/95/EG RoHS



    Application Areastion Areastion Areastion Areastion Areastion Areastion Areas
    • Easy MCU/PLD/FPGA interface to USB
    • Upgrading legacy peripheral designs to USB
    • USB instrumentation
    • USB industrial control
    • USB audio and low bandwidth video data transfer
    • PDA <=> USB data transfer
    • USB MP3 player interface
    • USB FLASH card readers/writers
    • Set Top Box (S.T.B.) PC - USB interface
    • USB digital camera interface
    • USB hardware modems
    • USB wireless modems

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