參數(shù)資料
型號: FT232HL-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 18/65頁
文件大?。?/td> 0K
描述: IC HS USB TO UART/FIFO 48LQFP
應用說明: FT1248 Application Note
標準包裝: 1
通道數(shù): 1,UART
FIFO's: 4kb
規(guī)程: RS232,RS422,RS485
電源電壓: 1.62 V ~ 1.98 V,2.97 V ~ 3.63 V
帶并行端口:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 標準包裝
其它名稱: 768-1101-6
Copyright 2012 Future Technology Devices International Limited
25
Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
4.3.2 RS422 Configuration
Figure 4.2 illustrates how the FT232H can be configured as a RS422 interface.
Figure 4.2 Dual RS422 Configuration
In this case the FT232H is configured as UART operating at TTL levels and a level converter device (full
duplex RS485 transceiver) is used to convert the TTL level signals from the FT232H to RS422 levels. The
PWREN# signal is used to power down the level shifters such that they operate in a low quiescent current
when the USB interface is in suspend mode.
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