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參數資料
| 型號： | FT2232H MINI MODULE |
| 廠商： | FTDI, Future Technology Devices International Ltd |
| 文件頁數： | 41/67頁 |
| 文件大?。?/td> | 0K |
| 描述： | MOD USB HS FT2232H EVAL |
| 產品變化通告： | Part Number Change Jan 2011 |
| 產品目錄繪圖： | FT(22, 42)32HQ MINI MOD |
| 標準包裝： | 5 |
| 主要目的： | 接口，USB 2.0 至 UART、JTAG、SPI、I2C |
| 嵌入式： | 否 |
| 已用 IC / 零件： | FT2232H |
| 主要屬性： | 高速，異步串行數據，300 波特 ~ 12 Mbaud，TTL 級 |
| 次要屬性： | JTAG、SPI 和 I2C 上同步串行（MPSSE）數據傳輸速度高達 30Mbps |
| 已供物品： | 板 |
| 產品目錄頁面： | 633 (CN2011-ZH PDF) |
| 相關產品： | 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 |
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Copyright 2012 Future Technology Devices International Limited
46
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
FT2232H Mode Selection
The 2 channels of the FT2232H reset to 2 asynchronous serial interfaces.
Following a reset the required mode of each channel is determined by the contents of the EEPROM
(programmed using MPROG V3.4a or later).
The EEPROM contents determine if the 2 channels have been configured as FT232 asynchronous serial
interface, FT245 FIFO interface, CPU-style FIFO interface or Fast Serial Interface.
Following a reset, the EEPROM is read to determine which mode is configured. After device enumeration,
an FT_SetBitMode command (refer to D2XX_Programmers_Guide) can be sent to the USB driver to
switch the selected interface into the required mode – asynchronous bit-bang, synchronous bit-bang or
MPSSE.
When in FT245 FIFO mode, the FT_SetBitMode command can be used to select either Synchronous
FIFO (FT_SetBitMode = 0x40) or Asynchronous FIFO mode. (Note that Asynchronous FIFO mode must
be selected on both channels before selecting the Synchronous FIFO mode. This means that an EEPROM
is needed to initially configure Asynchronous FIFO mode before software configures the Synchronous
FIFO mode).
When Synchronous FIFO mode selected, channel A uses all the memory resources of channel B. As such
channel B is then not available. In this case the state of the channel B pins is determined when the
configuration is switched to Asynchronous FIFO mode. If channel B had not been used for any data
transfer before configuration of Asynchronous FIFO mode, then the channel B pins will remain in their
default mode (D7:0=tri-stated but pulled high trough 75K resistor, TXE# =low, RXF# =high. RD# and
WR# are inputs and should be pulled high). An MPSSE command, set_data_bits can be used to
configure the channel B pins as inputs before configuring channel A as Synchronous FIFO. This avoids the
channel B pins driving against any interfaces (such as SPI) which may have been configured previous to
any switching of channel A to Synchronous FIFO mode. Refer to
http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf for the set_data_bits
command and further information on the MPSSE used in MCU Host BUS Emulation mode.
The MPSSE can be configured directly using the D2XX commands. The D2XX_Programmers_Guide is
available from the FTDI website at
The application note AN_108 – “Command Processor For MPSSE and MCU Host Bus Emulation
Modes” gives further explanation
and examples for the MPSSE.
4.12.1
Do I need an EEPROM?
The following table Table 4.11summarises what modes are configurable using the EEPROM or the
application software.
ASYNC
Serial
UART
ASYNC
245
FIFO
SYNC
245
FIFO
ASYN
C Bit-
bang
SYNC
Bit-
bang
MPSSE
Fast
Serial
interface
CPU-
Style
FIFO
Host Bus
Emulation
EEPROM
configured
YES
Application
Software
configured
YES
Table 4.11 Configuration Using EEPROM and Application Software
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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:界面開發(fā)工具 USB Hi-Speed FT2232H Evaluation Module RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| FT2232HQ-4000 | 制造商:FTDI 制造商全稱:FTDI 功能描述:DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC |
| FT2232HQ-MINI-MODULE | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE USB 2 PORT FT2232H BASED 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MOD, USB TO SERIAL / FIFO, FT2232H 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MOD, CONV, USB TO SERIAL / FIFO, 2 PORT, FT2232H; ;ROHS COMPLIANT: YES |
| FT2232HQ-R | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO 2232 DUAL 64QFN 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB-UART/FIFO, 2232, DUAL, 64QFN 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC, DUAL UART, FIFO 480MBPS 3.63V QFN-64; No. of Channels:2; Data Rate:480Mbps; Supply Voltage Min:2.97V; Supply Voltage Max:3.63V; Digital IC Case Style:QFN; No. of Pins:64; Operating Temperature Min:-40C; Voltage, Vcc:1.8V ;RoHS Compliant: Yes |
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