参数资料
型号: FT2232D-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 24/61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
30
Document No.: FT_000173
FT2232D DUAL USB TO SERIAL UART
/FIFO IC Datasheet
Version 2.05
Clearance No.: FTDI# 127
It is possible to “share” the EEPROM between the FT2232D and another external device such as an MCU.
However, this can only be done when the FT2232D is in its reset condition as it tri-states its EEPROM
interface at that time. A typical configuration would use four bits of an MCU IO Port. One bit would be
used to hold the FT2232D reset (using RESET#) on power-up, the other three would connect to the
EECS, EESK and EEDATA pins of the FT2232D in order to read / write data to the EEPROM at this time.
Once the MCU has read / written the EEPROM, it would take RESET# high to allow the FT2232D to
configure itself and enumerate over USB.
The external EEPROM can be programmed over USB using utility software provided by FTDI. The external
EEPROM is used to enable 245 FIFO, and Fast Opto-Isolated Serial interface modes on each channel.
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