參數(shù)資料
型號(hào): FT232RQ-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 25/43頁(yè)
文件大小: 0K
描述: IC USB FS SERIAL UART 32-QFN
產(chǎn)品培訓(xùn)模塊: USB Introduction
USB-UART Interface Solutions
標(biāo)準(zhǔn)包裝: 1
系列: USBmadeEZ-UART
特點(diǎn): USB 至 UART
通道數(shù): 1,UART
FIFO's: 256 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 3.3 V ~ 5.25 V
帶自動(dòng)流量控制功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(pán)(5x5)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 634 (CN2011-ZH PDF)
配用: 768-1023-ND - MOD USB RS232 DEV/EVAL FT232RL
768-1022-ND - MOD USB UART MINI B DEV FT232R
768-1021-ND - MOD USB UART MINI DEV FT232R
768-1019-ND - MOD USB UART DEV FT232R
其它名稱(chēng): 768-1008-6
Copyright 2010 Future Technology Devices International Limited
31
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
7.5 LED Interface
Any of the CBUS I/O pins can be configured to drive an LED. The FT232R has 3 configuration options for
driving LEDs from the CBUS. These are TXLED#, RXLED#, and TX&RXLED#. Refer to Section 3.5 for
configuration options.
FT232R
CBUS[0...4]
VCCIO
TX
TXLED#
RXLED#
RX
270R
Figure 7.5 Dual LED Configuration
An example of using the FT232R to drive LEDs is shown in Figure 7.5. In this application one of the CBUS
pins is used to indicate transmission of data (TXLED#) and another is used to indicate receiving data
(RXLED#). When data is being transmitted or received the respective pins will drive from tri-state to low
in order to provide indication on the LEDs of data transfer. A digital one-shot is used so that even a small
percentage of data transfer is visible to the end user.
FT232R
CBUS[0...4]
TX&RXLED#
270R
VCCIO
LED
Figure 7.6 Single LED Configuration
Another example of using the FT232R to drive LEDs is shown in Figure 7.6. In this example one of the
CBUS pins is used to indicate when data is being transmitted or received by the device (TX&RXLED). In
this configuration the FT232R will drive only a single LED.
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