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FT2232L Datasheet, PDF (1/51 Pages) Future Technology Devices International Ltd. – Dual USB UART / FIFO I.C. | |||
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FT2232L Dual USB UART / FIFO I.C.
1.0 Introduction
The FT2232L is the lead free version of FTDIâs 3rd generation USB UART / FIFO I.C. family. This device features two
Multi-Purpose UART / FIFO controllers which can be conï¬gured individually in several different modes. As well as a
UART interface, FIFO interface and Bit-Bang IO modes of the 2nd generation FT232BM and FT245BM devices, the
FT2232L offers a variety of additional new modes of operation, including a Multi-Protocol Synchronous Serial Engine
interface which is designed speciï¬cally for synchronous serial protocols such as JTAG and SPI bus.
1.1 Features Summary
HARDWARE FEATURES
Reset input and Reset Output pins
⢠Single Chip USB ï³ Dual Channel Serial / Parallel ⢠5V and 3.3V logic IO Interfacing with independent
Ports with a variety of conï¬gurations
level conversion on each channel
⢠Entire USB protocol handled on the chip...no USB- ⢠Integrated 3.3V LDO Regulator for USB IO
speciï¬c ï¬rmware programming required
⢠Integrated 6MHz â 48Mhz clock multiplier PLL
⢠FT232BM-style UART interface option with full
⢠USB Bulk or Isochronous data transfer modes
Handshaking & Modem interface signals
⢠4.35V to 5.25V single supply operating voltage
⢠UART Interface supports 7 / 8 bit data, 1 / 2 stop
range
bits, and Odd / Even / Mark / Space / No Parity
⢠UHCI / OHCI / EHCI host controller compatible
⢠Transfer Data Rate 300 to 1 Mega Baud (RS232) ⢠USB 2.0 Full Speed (12 Mbits / Second)
⢠Transfer Data Rate 300 to 3 Mega Baud (TTL and
compatible
RS422 / RS485)
⢠Compact 48-LD Lead Free LQFP package
⢠Auto Transmit Enable control for RS485 serial
VIRTUAL COM PORT (VCP) DRIVERS for
applications using TXDEN pin
⢠Windows 98 / 98 SE / 2000 / ME / XP
⢠FT245BM-style FIFO interface option with bi-
⢠Linux 2.40 and greater
directional data bus and simple 4 wire handshake ⢠Windows CE
interface
⢠MAC OS-8 and OS-9**
⢠Transfer Data Rate up to 1 MegaByte / Second
⢠MAC OS-X
⢠Enhanced Bit-Bang Mode interface option
D2XX (USB Direct Drivers + DLL S/W Interface)
⢠New Synchronous Bit-Bang Mode interface option ⢠Windows 98 / 98 SE / 2000 / ME / XP
⢠New Multi-Protocol Synchronous Serial Engine
⢠Linux 2.4 and Greater
(MPSSE) interface option
APPLICATION AREAS
⢠New MCU Host Bus Emulation Mode option
⢠New Fast Opto-Isolated Serial Interface Mode
⢠USB ï³Dual Port RS232 Converters
⢠USB ï³ Dual Port RS422 / RS485 Converters
option
⢠Upgrading Legacy Peripheral Designs to USB
⢠Interface mode and USB Description strings
⢠USB Instrumentation
conï¬gurable in external EEPROM
⢠USB JTAG Programming
⢠EEPROM Conï¬gurable on board via USB
⢠USB to SPI Bus Interfaces
⢠Support for USB Suspend and Resume conditions ⢠USB Industrial Control
via PWREN#, and SI / WU pins
⢠Field Upgradable USB Products
⢠Support for bus powered, self powered, and high- ⢠Galvanically Isolated Products with USB Interface
power bus powered USB conï¬gurations
⢠Integrated Power-On-Reset circuit, with optional
[ ** = In planning or under development ]
DS2232L Version 1.4
© Future Technology Devices International Ltd. 2005 Page 1 of 51
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