參數(shù)資料
型號(hào)： FT2232C
廠商： Electronic Theatre Controls, Inc.
英文描述： FT2232C Dual USB UART / FIFO I.C.
中文描述： FT2232C雙USB的UART / FIFO的集成電路
文件頁(yè)數(shù)： 48/51頁(yè)
文件大?。?/td> 907K
代理商： FT2232C
DS2232C Version 1.4
Future Technology Devices International Ltd. 2005 Page 48 of 54
FT2232C Dual USB UART / FIFO I.C.
Incoming Fast Serial Data
The external device is allowed to send data into the chip if FSCTS is high. On receipt of a Zero start bit on FSDI, the
chip will drop FSCTS on the next positive clock edge. The data from bits 0 to 7 is then clocked in (LSB first). The
next bit determines where the data will be written to. It can go to either channel A or to channel B. A ‘0’ will send it to
channel A, providing channel A is enabled for fast serial mode, otherwise it will go to channel B. A ‘1’ will send it to
channel B, providing channel B is enabled for fast serial mode, otherwise it will go to channel A. ( Either channel A, or
channel B, or both must be enabled as fast serial mode or the circuit is disabled).
Figure 35 - Fast Opto-Isolated Serial Data Format - Data input to the FT2232C
Notes :-
(i) Start Bit is always 0.
(ii) Data is sent LSB first.
(iii) The destination bit (DEST) indicates which channel the data should go to. A ‘0’ means that it should go to channel
A, a ‘1’ means that it should go to channel B.
(iv) The target device should check CTS is high before it sends data. CTS goes low after data bit 0 (D0) and stays low
until the chip can accept more data.
Contention
There is a possibility that contention may occur, where the interface goes from being completely idle to both sending
and receiving at the same clock instance. In this case the chip backs off, and allows the data from the external device
to be received.
Data Format
The data format for either direction is :-
1) Zero Start Bit
2) Data bit 0
3) Data bit 1
4) Data bit 2
5) Data bit 3
6) Data bit 4
7) Data bit 5
8) Data bit 6
9) Data bit 7
10) Source/Destination (‘0’ indicates channel A; ‘1’ indicates channel B)
FSCLK
FSDI
0
D0
D1
D2
D3
D4
D5
D6
D7
DEST
Start
Bit
Data Bits - LSB first
Destination
Bit
FSCTS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FT2232C_04 制造商:FTDI 制造商全稱(chēng):FTDI 功能描述:Dual USB UART / FIFO I.C.
FT2232D 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP 制造商:Future Technology Devices International 功能描述:UART 2-CH 3.3V/5V 48-Pin LQFP Bulk 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Full Speed to Dual Channel Serial UART/FIFO/JTAG/SPI/I2C IC - LQFP-48
FT2232D/TR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO SMD 2232 LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, SMD, 2232, LQFP48; USB Type:FIFO; USB Version:2.0; Supply Voltage Min:3V; Supply Voltage Max:5.25V; Digital IC Case Style:LQFP; No. of Pins:48; Data Rate:12Mbps; No. of Ports:2; Operating Temperature Min:-40C ;RoHS Compliant: Yes
FT2232D-REEL 功能描述:USB 接口集成電路 USB 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
FT2232D-TRAY 制造商:Future Technology Devices International (FTDI Chip) 功能描述:DUAL USB TO SERIAL UART/FIFO IC
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