FT8U232AM

Future Technology Devices Intl.

FT8U232AM Preliminary Information Rev 0.8 – Subject to Change

U-UART - USB UltraBaud Data Transfer IC with RS232 / RS422 and CPU I/F Options

FEATURES

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Single Chip Multi-Function Data Transfer

Solution

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RS232 link from 300 baud to 920K baud

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RS422/RS485 Link to 2000K baud

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384 byte receive buffer / 128 byte transmit

buffer for high data throughput

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Full hardware assisted or X-On/X-Off

handshaking

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Support for Event Characters and Line Break

condition

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Auto Transmit Buffer control for RS485

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Compact 32 pin ( 7mm x 7mm ) MQFP package

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Integrated 6MHz - 48MHz Clock Multiplier aids

FCC and CE compliance

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Integrated 3.3v Regulator – No External

Regulator Required

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4.4v .. 5.25v Single Supply Operation

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UHCI / OHCI Compliant

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USB 1.1 Specification Compliant

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USB VID, PID, Serial Number and Product

Description Strings in external E2PROM.

Note ** = Currently in development

Virtual COM Port Drivers for –

Windows 98 and Windows 98 SE

Windows 2000

Windows Millennium **

Apple iMAC **

Linux **

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Application Areas

USB ISDN and ADSL Modems

USB 56k / V90 Modems

USB

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Ù PDA Interface Cables

USB

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Ù RS232 Converters / Cables

USB

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Ù RS422 / RS485 High Speed Industrial

Links

USB Digital Cameras

USB I/F for MP3 players

Ultra-high performance Serial Port for legacy -

free PC system boards / Easy PC’s

USB Instrumentation

USB

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Ù USB data transfer cables

USB

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Ù USB null-modem cables

USB

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ÙSerial Bar Code Readers

GENERAL DESCRIPTION

The FT8U232AM is a cost-effective single chip USB UART ( U-UART ) solution for transferring serial data

over USB. With data transfer rates of up to 920k baud ( RS232 ) and 2,000 k baud ( RS422 / RS485 ) , the

FT8U232AM significantly raises the performance level above that above that of traditional ISA and PCI based

UART solutions whilst offering true plug and play and easy interfacing through it’s USB interface.

Its flexible architecture allows this IC to be used in many different application areas - USB modems,

Legacy RS232

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Ù USB Converter cables, USB interface cables for PDA’s , Bar Code Scanners , RS422 data links

and instrumentation – in fact almost any equipment that previously used a slow RS232 link for communication.

Virtual COM port drivers are available for the FT8U232AM for Windows ’98, Windows 98 SE and Windows

2000. Drivers for other operating systems are currently under development.