参数资料
型号: FT2232D-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 26/61页
文件大小: 0K
描述: IC USB FS DUAL UART/FIFO 48-LQFP
产品培训模块: USB Introduction
标准包装: 1
系列: USBmadeEZ-FIFO,FT-X,X-Chip
特点: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道数: 2,DUART
FIFO's: 384 字节
规程: RS232,RS422,RS485
电源电压: 4.35 V ~ 5.25 V
带并行端口:
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
配用: 768-1030-ND - MOD USB HS FT2232H EVAL
813-1009-ND - MODULE USB-TO-FPGA TOOL W/MANUAL
813-1001-ND - MODULE USB ADAPTR FOR FT2232D LP
813-1000-ND - MODULE USB ADAPTER FOR FT2232D
其它名称: 768-1010-6
Copyright 2010 Future Technology Devices International Limited
32
Document No.: FT_000173
FT2232D DUAL USB TO SERIAL UART
/FIFO IC Datasheet
Version 2.05
Clearance No.: FTDI# 127
Figure 8.1 USB <=> Dual Port RS232 Converter Configuration
Figure 8.1 illustrates how to connect the FT2232D, when both channels A and B are configured as 232-
style UART interfaces, to two TTL – RS232 Level Converter I.C.s to make a USB <=> Dual Port RS232
converter using the popular “213” series of TTL to RS232 level converters. These devices have 4
transmitters and 5 receivers in a 28-LD SSOP package and feature an in-built voltage converter to
convert the 5V (nominal) VCC to the +/- 9 volts required by RS232. An important feature of these
devices is the SHDN# pin which can power down the device to a low quiescent current during USB
suspend mode.
The device used in the example above is a Sipex SP213EHCA which is capable of RS232 communication
at up to 500K baud. If a lower baud rate is acceptable, then several pin compatible alternatives are
available such as the Sipex SP213ECA , the Maxim MAX213CAI and the Analog Devices ADM213E, which
are all good for communication at up to 115,200 baud. If a higher baud rate is desired, use a Maxim
MAX3245CAI part which is capable of RS232 communication at rates of up to 1M baud. The MAX3245 is
not pin compatible with the 213 series devices, also its SHDN pin is active high, so connect it to PWREN#
instead of SLEEP#. Dual RS232 level converters such as the Maxim MAX3187 may also be a suitable
alternative.
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