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PDF FT232BM Data sheet ( Hoja de datos )
| Número de pieza | FT232BM | |
| Descripción | USB UART IC | |
| Fabricantes | FTDI | |
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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 to asynchronous serial
data transfer interface.
•
• 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 condition
•
• 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 transfer rates from 300 baud to 3
Mbaud (RS422, RS485, and RS232) at
TTL levels.
•
• 384 byte receive buffer and 128 byte
transmit buffer utilising buffer
smoothing technology to allow for high
data throughput.
UART interface support for 7 or 8 data bits, 1 or 2 stop
bits and odd / even / mark / space / no parity
Integrated level converter on UART 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
4.35V to 5.25V single supply operation
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 32-pin LQFP package
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in
any material or electronic form without the prior written consent of the copyright holder. This product and its documentation 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 claim 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 reasonably be expected to result in personal injury. This document provides preliminary information 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 Number: SC136640
Copyright © 2010 Future Technology Devices International Limited
1
1 page  
Document No.: FT_000206
FT232BM USB UART IC Datasheet Version 2.0
Clearance No.: FTDI# 133
3 Device Pin Out and Signal Description
3.1 32 Pin LQFP Package
Figure 3.1 LQFP Package Pin Out and Schematic Symbol
Copyright © 2010 Future Technology Devices International Limited
5
5 Page 
Document No.: FT_000206
FT232BM USB UART IC Datasheet Version 2.0
Clearance No.: FTDI# 133
5 Devices Characteristics and Ratings
5.1 Absolute Maximum Ratings
The absolute maximum ratings for the FT232BM devices are as follows. These are in accordance with the
Absolute Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage to the
device.
Parameter
Value
Unit
Storage Temperature
-65 to +150
˚C
Floor Life (Out of Bag) At Factory Ambient
(30°C / 60% Relative Humidity)
192
(MSL 3 Compliant)
**Note 2
Hours
Ambient Temperature (Power Applied)
0 to +70
˚C
M.T.B.F. (at 35°C)
247484
≈ 28
Hours
Years
VCC Supply Voltage
-0.5 to +6.00
V
DC Input Voltage – USBDP and USBDM
-0.5 to +3.8
V
DC Input Voltage – High Impedance Bidirectional
-0.5 to + (VCC +0.5)
V
DC Input Voltage – All Other Inputs
-0.5 to + (VCC +0.5)
V
DC Output Current – Outputs
24 mA
DC Output Current – Low Impedance Bidirectional
24
mA
Power Dissipation
(VCC = 5.25V)
500 mW
Electrostatic Discharge Voltage
(Human Body Model) (I<1uA)
±3000
V
Latch Up Current
(Vi = +/- 10V maximum, for 10ms)
±200
mA
Table 5.1 Absolute Maximum Ratings
**Note 2 - If devices are stored out of the packaging beyond this time limit the devices should be baked
before use. Refer to JEDEC J-STD-033 for baking details.
Copyright © 2010 Future Technology Devices International Limited
11
11 Page | ||
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| PDF Descargar | [ Datasheet FT232BM.PDF ] | |
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