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  FT4232H - Hi-Speed Quad USB UART IC

The FT4232H is FTDI’s 5th generation of USB devices.  The FT4232H is a USB 2.0 Hi-Speed (480Mb/s) to UART IC.  It has the capability of being configured in a variety of industry standard serial or parallel interfaces.

The FT4232H features 4 UARTs. Two of these have an option to independently configure an MPSSE engine, this allows the FT4232H to operate as two UART/Bit-Bang ports plus two MPSSE engines used to emulate JTAG, SPI, I2C, Bit-bang or other synchronous serial modes.

The FT4232H is available in Pb-free (RoHS compliant) 64-pin LQFP and QFN packages.

 

  Product Information
USBHSlogo

 

  Key Hardware Features
  • Single chip USB to quad serial ports with a variety of configurations.
  • Entire USB protocol handled on the chip. No USB specific firmware programming required.
  • USB 2.0 High Speed (480Mbits/Second) and Full Speed (12Mbits/Second) compatible.
  • Two Multi-Protocol Synchronous Serial Engine (MPSSE) on channel A and channel B, to simplify synchronous serial protocol (USB to JTAG, I2C, SPI or bit-bang) design.
  • Independent Baud rate generators.
  • RS232/RS422/RS485 UART Transfer Data Rate up to 12Mbaud. (RS232 Data Rate limited by external level shifter).
  • FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.
  • Optional traffic TX/RX indicators can be added with LEDs and an external 74HC595 shift register.
  • Adjustable receive buffer timeout.
  • Support for USB suspend and resume conditions via PWREN#, SUSPEND# and RI# pins.
  • Highly integrated design includes +1.8V LDO regulator for VCORE, integrated POR function and on chip clock multiplier PLL (12MHz – 480MHz).
  • FTDI FT232B style, asynchronous serial UART interface option with full hardware handshaking and modem interface signals.
  • Fully assisted hardware or X-On / X-Off software handshaking.
  • UART Interface supports 7/8 bit data, 1/2 stop bits, and Odd/Even/Mark/Space/No Parity.
  • Auto-transmit enable control for RS485 serial applications using TXDEN pin.
  • Operational configuration mode and USB Description strings configurable in external EEPROM over the USB interface.
  • Low operating and USB suspend current.
  • Configurable I/O drive strength (4,8,12 or 16mA) and slew rate.
  • Supports bus powered, self powered and high-power bus powered USB configurations.
  • UHCI/OHCI/EHCI host controller compatible.
  • USB Bulk data transfer mode (512 byte packets in Hi-Speed mode).
  • Dedicated Windows DLLs available for USB to JTAG, USB to SPI, and USB to I2C applications.
  • +1.8V (chip core) and +3.3V I/O interfacing (+5V Tolerant).
  • Extended -40ºC to 85ºC industrial operating temperature range.
  • Compact 64-LD Lead Free LQFP or LQFN package.
  • +3.3V single supply operating voltage range.

 

  Application Areas
  • Single chip USB to four channels UART (RS232,RS422 or RS485) or Bit-Bang interfaces.
  • Single chip USB to 2 JTAG channels plus 2 UARTs.
  • Single chip USB to 1 JTAG channel plus 3 UARTs.
  • Single chip USB to 1 SPI channel plus 3 UARTs.
  • Single chip USB to 2 SPI channels plus 2 UARTs.
  • Single chip USB to 2 Bit-Bang channels plus 2 UARTs.
  • Single chip USB to 1 SPI channel, plus 1 JTAG channel plus 2 UARTs.
  • Single chip USB to 2 I2C channels plus 2 UARTs.
  • Numerous combinations of 4 channels.
  • Upgrading Legacy Peripheral Designs to USB.
  • Field Upgradable USB Products.
  • Galvanic Isolated Products with USB Interface.
  • 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 Bar Code Readers.

 

 



© Future Technology Devices International Ltd. 2014