參數(shù)資料
型號(hào): FT2232HL-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 26/67頁(yè)
文件大?。?/td> 0K
描述: IC USB HS DUAL UART/FIFO 64-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: USBmadeEZ-FIFO,F(xiàn)T-X,X-Chip
特點(diǎn): USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道數(shù): 2,DUART
FIFO's: 4096 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 3.6 V
帶并行端口:
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: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 634 (CN2011-ZH PDF)
其它名稱(chēng): 768-1024-6
Copyright 2012 Future Technology Devices International Limited
32
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
4.6.1 MPSSE Adaptive Clocking
Adaptive clocking is a new MPSSE feature added to the FT2232H MPSSE engine.
The mode is effectively handshaking the CLK signal with a return clock RTCK. This is a technique used by
ARM processors.
The FT2232H will assert the CLK line and wait for the RTCK to be returned from the target device to
GPIOL3 line before changing the TDO (data out line).
FT2232H
ARM CPU
RTCK
TCK
TDO
GPIOL3
Figure 4.8 Adaptive Clocking Interconnect
TDO
TCK
RTCK
TDO changes on falling
edge of TCK
Figure 4.9: Adaptive Clocking waveform.
Adaptive clocking is not enabled by default.
See: AN_108 Command Processor for MPSSE and MCU Host Bus Emulation Modes.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FT2232HL-TRAY 功能描述:USB 接口集成電路 USB HS to Dual UART/ FIFO/SPI/JTAG/I2C RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
FT2232HMINIMODULE 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Hi-Speed FT2232H Evaluation Module 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB to serial/FIFO development module
FT2232H-MINI-MODULE 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC,EVALUATION MODULE;FT2232H;USB HI-SPEED
FT2232HQ 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Hi-Speed to Dual Channel Serial UART/FIFO/JTAG/SPI/I2C IC - QFN-64
FT2232HQ_MINI_ MODULE 功能描述:界面開(kāi)發(fā)工具 USB Hi-Speed FT2232H Evaluation Module RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V