FT232RQ集成電路（IC）的控制器規(guī)格書PDF中文資料

Features

Hardware Features

? Single chip USB to asynchronous serial data transfer interface.

? Entire USB protocol handled on the chip - No USB-specific firmware programming required.

? UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity.

? Fully assisted hardware or X-On / X-Off software handshaking.

? Data transfer rates from 300 baud to 3 Megabaud (RS422 / RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232).

? 256 byte receive buffer and 128 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.

? FTDI’s royalty-free VCP and D2XX drivers eliminate the requirement for USB driver development in most cases.

? In-built support for event characters and line break condition.

? New USB FTDIChip-ID? feature.

? New configurable CBUS I/O pins.

? Auto transmit buffer control for RS485 applications.

? Transmit and receive LED drive signals.

? New 48MHz, 24MHz,12MHz, and 6MHz clock output signal Options for driving external MCU or FPGA.

? FIFO receive and transmit buffers for high data throughput.

? Adjustable receive buffer timeout.

? Synchronous and asynchronous bit bang mode interface options with RD# and WR# strobes.

? New CBUS bit bang mode option.

? Integrated 1024 Bit internal EEPROM for storing USB VID, PID, serial number and product description strings, and CBUS I/O configuration.

? Device supplied preprogrammed with unique USB serial number.

? Support for USB suspend and resume.

? Support for bus powered, self powered, and high power bus powered USB configurations.

? Integrated 3.3V level converter for USB I/O .

? Integrated level converter on UART and CBUS for interfacing to 5V - 1.8V Logic.

? True 5V / 3.3V / 2.8V / 1.8V CMOS drive output and TTL input.

? High I/O pin output drive option.

? Integrated USB resistors.

? Integrated power-on-reset circuit.

? Fully integrated clock - no external crystal, oscillator, or resonator required.

? Fully integrated AVCC supply filtering - No separate AVCC pin and no external R-C filter required.

? UART signal inversion option.

? USB bulk transfer mode.

? 3.3V to 5.25V Single Supply Operation.

? Low operating and USB suspend current.

? Low USB bandwidth consumption.

? UHCI / OHCI / EHCI host controller compatible

? USB 2.0 Full Speed compatible.

? -40°C to 85°C extended operating temperature range.

? Available in compact Pb-free 28 Pin SSOP and QFN-32 packages (both RoHS compliant).

Typical Applications

? USB to RS232 / RS422 / RS485 Converters

? Upgrading Legacy Peripherals to USB

? Cellular and Cordless Phone USB data transfer cables and interfaces

? Interfacing MCU / PLD / FPGA based designs to USB

? USB Audio and Low Bandwidth Video data transfer

? PDA to USB data transfer

? USB Smart Card Readers

? USB Instrumentation

? USB Industrial Control

? USB MP3 Player Interface

? USB FLASH Card Reader / Writers

? Set Top Box PC - USB interface

? USB Digital Camera Interface

? USB Hardware Modems

? USB Wireless Modems

? USB Bar Code Readers

? USB Software / Hardware Encryption Dongles