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FT245BQ Datasheet

  • FT245BQ

  • FT245BQ USB FIFO ( USB - Parallel ) I.C.

  • 525.30KB

  • 24页

  • ETC

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FT245BQ USB FIFO ( USB - Parallel ) I.C.
The FT245BQ is the lead free version of the 2
nd
generation of FTDI鈥檚 popular USB FIFO I.C. This device not only
adds extra functionality to its FT8U245AM predecessor 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 the device in new application areas.
1.0
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Features
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UHCI / 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 5 x 5 mm Lead free RoHS compliant
QFN32 package
VIRTUAL COM PORT (VCP) DRIVERS for
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Windows 98 and Windows 98 SE
Windows 2000 / ME / XP
Windows CE 4.2
MAC OS-8 and OS-9
MAC OS-X
Linux 2.40 and greater
Windows 98 and Windows 98 SE
Windows 2000 / ME / XP
Windows CE 4.2
Linux 2.4 and Greater
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
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USB data transfer
USB MP3 Player Interface
USB FLASH Card Reader / Writers
Set Top Box (S.T.B.) PC - USB interface
USB Digital Camera Interface
USB Hardware Modems
USB Wireless Modems
Single Chip USB
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Parallel FIFO bi-directional
Data Transfer
Transfer Data rate to 1M Byte / Sec - D2XX Drivers
Transfer Data rate to 300 Kilobyte / Sec - VCP
Drivers
Simple to interface to MCU / PLD/ FPGA logic with
a 4 wire handshake interface
Entire USB protocol handled on-chip鈥?no USB-
speci铿乧 铿乺mware programming required
FTDI鈥檚 royalty-free VCP and D2XX drivers
eliminate the requirement for USB driver
development in most cases.
HARDWARE FEATURES
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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
In-built 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 鈥?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.
D2XX (USB Direct Drivers + DLL S/W Interface)
APPLICATION AREAS
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4.35V to 5.25V single supply operation
DS245BQ Version 1.6
漏 Future Technology Devices Intl. Ltd. 2005
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