參數(shù)資料
型號(hào)： FT2232HQ-REEL
廠商： FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù)： 38/67頁(yè)
文件大?。?/td> 0K
描述： IC USB HS DUAL UART/FIFO 64-QFN
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： 是
帶自動(dòng)流量控制功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 64-QFN
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面： 634 (CN2011-ZH PDF)
其它名稱： 768-1025-6
Copyright 2012 Future Technology Devices International Limited
43
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
WRSTB#
RDSTB#
Figure 4.19 Synchronous Bit-Bang Mode Timing Interface Example
Name
Description
t1
Current pin state is read
t2
RDSTB# is set inactive and data on the paralle I/O pins is read and sent to the USB host.
t3
RDSTB# is set active again, and any pins that are output will change to their new data
t4
1 clock cycle to allow for data setup
t5
WRSTB# goes active. This indicates that the host PC has written new data to the I/O parallel data pins
t6
WRSTB# goes inactive
Table 4.10 Synchronous Bit-Bang Mode Timing Interface Example Timings
WRSTB# = this output indicates when new data has been written to the I/O pins from the Host PC (via
the USB interface).
RDSTB# = this output rising edge indicates when data has been read from the I/O pins and sent to the
Host PC (via the USB interface).
The WRSTB# goes active in t4. The WRSTB# goes active when data is read from the USB RXFIFO (i.e.
sent from the PC). The RDSTB# goes inactive when data is sampled from the pins and written to the USB
TXFIFO (i.e. sent to the PC). The SETUP command to the FT2232H is used to setup the bit-mode. This
command also contains a byte wide data mask to set the direction of each bit. The direction on each pin
doesnt change unless a new SETUP command is used to modify the direction.
The WRSTB# and RDSTB# strobes are only a guide to what may be happening depending on the
direction of the bus. For example if all pins are configured as inputs, it is still necessary to write to these
pins in order to get the FT2232H to read those pins even though the data written will never appear on
the pins.
Signals and data-flow are illustrated in Figure 4.20
USB Rx
FIFO/
Buffer
Parallel I/O
data
Parallel
I/O pins
USB
WRSTB#
RDSTB#
USB Tx
FIFO/
Buffer
Figure 4.20 Bit-bang Mode Dataflow Illustration Diagram.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FT2232HQ-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
FT2232L 功能描述:UART 接口集成電路 Obsolete See FT2232D-REEL RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
FT2232L/TR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB UART/FIFO SMD 2232 LQFP48
FT22L 功能描述:OVEN FOOD PROBE RoHS:是 類別:測(cè)試設(shè)備 >> 測(cè)試引線 - 熱電偶，溫度探頭 系列:FT 標(biāo)準(zhǔn)包裝:1 系列:6543 類型:J 型熱電偶 使用:液體，半固體 尖端 - 類型:防浸漬 / 穿透式，圓頭 插頭類型:超微型（熱電偶插頭） 探針溫度范圍:-40 ~ 2000°F（-40 ~ 1093°C） 線纜長(zhǎng)度:- 線纜絕緣:- 插頭顏色:黑 探針長(zhǎng)度:12.000"（304.80mm） 探針材料:-
FT230A 制造商:Black Box Corporation 功能描述:HAND STRIPPER
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