Copy r igh t © 20 10 Fu tu r e T ech n o l ogy D evices In te rn a t ion a l Li m i te d 1
Document No.: FT_000206
FT232BM USB UART IC Datasheet Version 2.0
Clearance No.: FTDI# 133
Future Technology
Devices International
Ltd
.
FT232BM USB UART
IC
The FT232BM
is a USB to serial
UART interface with the following
advanced features:
• Single chip USB t o asynchr on ous seria l
data transf er interf ac e.
• Full Handshaking & Modem Interface
Signals
• Adjustable RX buffer timeout
• Fully Assisted Hardware or X-On / X-Off
Handshaking
• In-built support for event characters and
line break c ondition
• Auto Transmit Buffer control for RS485
• Support for USB Suspend / Resume
through SLEEP# and RI# pins
• Support for high power USB Bus
powered devices through PWREN# pin
• Data transf er rates fr om 300 baud t o 3
Mbaud (RS422, RS485, and RS232) at
TTL levels.
• 384 by t e rec e ive bu ff er an d 12 8 by te
tran sm i t buf f er u ti lis in g buffer
smoothing technology to allow for h igh
data throughput.
• UART interface sup por t f or 7 or 8 da ta b its , 1 or 2 s to p
bits and odd / even / mark / space / no parity
• Inte gr at ed l ev e l con v er ter on UA RT an d c on tr ol signals for
interf ac ing to 5V and 3 .3V logic
• Inte grated 3.3V re gulator for USB IO
• Integra ted Power-On-Reset circuit
• Integra ted 6MHz - 48Mhz clock multiplier PLL
• 4.35V to 5.25V single su pply operation
• UHCI / OHCI / EHCI hos t contr oller com patib le
• 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-pin LQFP pack age
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in
an y material o r electr o nic fo rm wit hou t the p rior w ritte n consent of the copyright holder. This product and its docume ntation are supplied
on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology Devices
International Ltd will not accept any clai
m for damages howsoever arising as a result of use or failure of this product. Your statutory
rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in which the
failure of the product might reas o n a bly be exp ected t o re s ult in pers on al injury . This d o c ument pr o v ides p relimi n ary informatio n that may
be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by the publication of this
document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow G41 1HH United Kingdom.
Scotland Registered Company N u m ber: SC1366 40
Copy r igh t © 20 10 Fu tu r e T ech n o l ogy D evices In te rn a t ion a l Li m i te d 2
Document No.: FT_000206
FT232BM USB UART IC Datasheet Version 2.0
Clearance No.: FTDI# 133
1 Typical Applicati ons
• USB to RS232 / RS422 / RS 485 Converters
• Upgrading Legacy Peripherals t o USB
• Cellular an d Cordl ess Phone USB dat a transf er
cables and int erfac es
• Interfacing MCU / PLD / FP GA bas ed d es ign s t o
USB
• USB Au d i o an d L ow Ba n dwidth V i de o data
transfer
• PDA to USB data transf er
• USB Smart Card Readers
• USB Instrumentation
• USB Industrial Control
• USB M P3 Player Interface
• USB FLASH Card Reader and Writ ers
• Set Top Box PC - USB interface
• USB Digital Camera Interface
• USB H ardware Mode m s
• USB Wireless Modems
• USB Bar Code Readers
1.1 Driver Support
Royalty free VIRTUAL COM PORT
(VCP) DRIVERS for...
• Win dow s 7 32, 64-bit
• Windows Vista and Vista 64-bit
• Windows XP and XP 64-bit
• Win dow s 9 8, 98S E, ME , 20 00, Ser v er 2 00 3, XP
and Server 2008
• Windows XP Embedded
• Win dows CE 4.2, 5.0 and 6.0
• Mac OS 8/9, OS-X
•
Linux 2.4 an d greater
Royalty free D2XX Direct Drivers
(USB Drivers + DLL S/W Interface)
• Win dow s 7 32, 64-bit
• Windows Vista and Vista 64-bit
• Windows XP and XP 64-bit
• Win dow s 9 8, 98S E, ME , 20 00, Ser v er 2 00 3, XP
and Server 2008
• Windows XP Embedded
• Win dows CE 4.2, 5.0 and 6.0
• Linux 2.4 and greater
•
Mac OS 8/9, OS -X
The drivers listed above are all available to download for free from FTDI website (www.ftdichip.com).
Var iou s 3r d par ty dr iv er s a re al s o ava ila b l e for o th er o pe ra t ing sy s tem s - see FTDI website
www.ftdichip.com fo r deta ils
1.2 Part Numbers
Part Numb e r Package
FT232BM-xxxx 32 Pin LQFP
Table 1.1 Part Numbers
Note: Packing codes for xxxx is:
- Reel: Taped a nd Reel, (LQFP is 1, 000pc s per reel).
- Tray: Tray packing, 250pcs per tray (LQFP only)