參數(shù)資料
型號: FT2232H MINI MODULE
廠商: FTDI, Future Technology Devices International Ltd
文件頁數(shù): 33/67頁
文件大?。?/td> 0K
描述: MOD USB HS FT2232H EVAL
產(chǎn)品變化通告: Part Number Change Jan 2011
產(chǎn)品目錄繪圖: FT(22, 42)32HQ MINI MOD
標(biāo)準(zhǔn)包裝: 5
主要目的: 接口,USB 2.0 至 UART、JTAG、SPI、I2C
嵌入式:
已用 IC / 零件: FT2232H
主要屬性: 高速,異步串行數(shù)據(jù),300 波特 ~ 12 Mbaud,TTL 級
次要屬性: JTAG、SPI 和 I2C 上同步串行(MPSSE)數(shù)據(jù)傳輸速度高達(dá) 30Mbps
已供物品:
產(chǎn)品目錄頁面: 633 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: 768-1010-6-ND - IC USB FS DUAL UART/FIFO 48-LQFP
768-1010-1-ND - IC USB FS DUAL UART/FIFO 48-LQFP
768-1010-2-ND - IC USB FS DUAL UART/FIFO 48-LQFP
其它名稱: 768-1030
FT2232HQ_MINI MOD
Copyright 2012 Future Technology Devices International Limited
39
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
4.8.3 Fast Opto-Isolated Serial Data Interface Example
The following example,Figure 4.16 , shows two Agilent HCPL-2430 (see the semiconductor section at
www.agilent.com) high speed opto-couplers used to optically isolate an external device which
interfaced to USB using the FT2232H. In this example VCC5V is the USB VBUS supply and VCCE is the
supply to the external device.
Care must be taken with the voltage used to power the photo-LEDs. It must be the same voltage as that
the FT2232H I/Os are driving to, or the LEDs may be permanently on. Limiting resistors should be fitted
in the lines that drive the diodes. The outputs of the opto-couplers are open-collector and require a pull-
up resistor.
FT2232H
FSDI
FSCLK
FSDO
FSCTS
VCC5V
HCPL-2430
VCCE
HCPL-2430
1K
470R
VCCE
Cable
DI
CLK
DO
CTS
VCC5V
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Figure 4.16 Fast Opto-Isolated Serial Interface Example
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