FT232BM データシートの表示（PDF） - Future Technology
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FT232BM Datasheet PDF : 25 Pages
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FT232BM USB UART ( USB - Serial) I.C.
The FT232BM is the 2nd generation of FTDI’s popular USB UART I.C. This device not only adds extra functionality
to its FT8U232AM 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 Features
HARDWARE FEATURES
• Single Chip USB Asynchronous Serial Data
VIRTUAL COM PORT (VCP) DRIVERS for
Transfer
- Windows 98 and Windows 98 SE
• Full Handshaking & Modem Interface Signals
- Windows 2000 / ME / Server 2003 / XP
• UART I/F Supports 7 / 8 Bit Data, 1 / 2 Stop Bits
- Windows XP 64 Bit
and Odd/Even/Mark/Space/No Parity
- Windows XP Embedded
• Data rate 300 => 3M Baud (TTL)
- Windows CE 4.2
• Data rate 300 => 1M Baud (RS232)
- MAC OS-8 and OS-9
• Data rate 300 => 3M Baud (RS422/RS485)
- MAC OS-X
• 384 Byte Receive Buffer / 128 Byte Transmit Buffer - Linux 2.40 and greater
for high data throughput
D2XX (USB Direct Drivers + DLL S/W Interface)
• Adjustable RX buffer timeout
- Windows 98 and Windows 98 SE
• Fully Assisted Hardware or X-On / X-Off
- Windows 2000 / ME / Server 2003 / XP
Handshaking
- Windows XP 64 Bit
• In-built support for event characters and line break - Windows XP Embedded
condition
- Windows CE 4.2
• Auto Transmit Buffer control for RS485
- Linux 2.40 and greater
• Support for USB Suspend / Resume through
APPLICATION AREAS
SLEEP# and RI# pins
- USB RS232 Converters
• Support for high power USB Bus powered devices - USB RS422 / RS485 Converters
through PWREN# pin
- Upgrading RS232 Legacy Peripherals to USB
• Integrated level converter on UART and control
- Cellular and Cordless Phone USB data transfer
signals for interfacing to 5V and 3.3V logic
cables and interfaces
• Integrated 3.3V regulator for USB IO
- Interfacing MCU based designs to USB
• Integrated Power-On-Reset circuit
- USB Audio and Low Bandwidth Video data transfer
• Integrated 6MHz – 48Mhz clock multiplier PLL
- PDA USB data transfer
• USB Bulk or Isochronous data transfer modes
- USB Smart Card Readers
• 4.35V to 5.25V single supply operation
- Set Top Box (S.T.B.) PC - USB interface
• UHCI / OHCI / EHCI host controller compatible
- USB Hardware Modems
• USB 1.1 and USB 2.0 compatible
- USB Wireless Modems
• USB VID, PID, Serial Number and Product
- USB Instrumentation
Description strings in external EEPROM
- USB Bar Code Readers
• EEPROM programmable on-board via USB
• Compact 32-LD LQFP package
DS232B Version 1.8 © Future Technology Devices Intl. Ltd. 2005
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