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参数资料
| 型号： | FT4232HL-REEL |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 8/45页 |
| 文件大小： | 0K |
| 描述： | IC USB HS QUAD UART/SYNC 64-LQFP |
| 标准包装： | 1 |
| 系列： | USBmadeEZ-FIFO |
| 特点： | USB 至 UART 和（或）SPI、I2C、JTAG |
| 通道数： | 4，QUART |
| FIFO's： | 2048 字节 |
| 规程： | RS232，RS422，RS485 |
| 电源电压： | 3 V ~ 3.6 V |
| 带自动流量控制功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 标准包装 |
| 产品目录页面： | 634 (CN2011-ZH PDF) |
| 配用： | 768-1031-ND - MOD USB HS FT4232H EVAL |
| 其它名称： | 768-1026-6 |
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Copyright 2010 Future Technology Devices International Limited
16
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
+1.8V LDO Regulator. The +1.8V LDO regulator generates the +1.8 volts for the core and the USB
transceiver cell. Its input (VREGIN) must be connected to a +3.3V external power source. It is also
recommended to add an external filtering capacitor to the VREGIN. There is no direct connection from the
+1.8V output (VREGOUT) and the internal functions of the FT4232H. The PCB must be routed to connect
VREGOUT to the pins that require the +1.8V including VREGIN.
UTMI PHY. The Universal Transceiver Macrocell Interface (UTMI) physical interface cell. This block
handles the Full speed / High Speed SERDES (serialise - deserialise) function for the USB TX/RX data. It
also provides the clocks for the rest of the chip. A 12 MHz crystal should be connected to the OSCI and
OSCO pins. A 12K Ohm resistor should be connected between REF and GND on the PCB.
The UTMI PHY functions include:
Supports 480 Mbit/s "High Speed" (HS)/ 12 Mbit/s “Full Speed” (FS), FS Only and "Low Speed"
(LS).
SYNC/EOP generation and checking.
Data and clock recovery from serial stream on the USB.
Bit-stuffing/unstuffing; bit stuff error detection.
Manages USB Resume, Wake Up and Suspend functions.
Single parallel data clock output with on-chip PLL to generate higher speed serial data clocks.
EEPROM Interface. When used without an external EEPROM the FT4232H defaults to a quad USB to an
asynchronous serial port device. Adding an external 93C46 (93C56 or 93C66) EEPROM allows
customization of USB VID, PID, Serial Number, Product Description Strings and Power Descriptor value
of the FT4232H for OEM applications. Other parameters controlled by the EEPROM include Remote Wake
Up, Soft Pull Down on Power-Off and I/O pin drive strength.
The EEPROM must be a 16 bit wide configuration such as a Microchip 93LC46B or equivalent capable of a
1Mbit/s clock rate at VCC = +3.00V to 3.6V. The EEPROM is programmable in-circuit over USB using a
utility program called MPROG available from FTDI’s web site (www.ftdichip.com). This allows a blank
part to be soldered onto the PCB and programmed as part of the manufacturing and test process.
If no EEPROM is connected (or the EEPROM is blank), the FT4232H will default to serial ports. The device
uses its built-in default VID (0403), PID (6011) Product Description and Power Descriptor Value. In this
case, the device will not have a serial number as part of the USB descriptor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FT4232HL-TRAY | 功能描述:USB 接口集成电路 USB HS to Quad UART/ SPI/JTAG/I2C LQFP-64 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| FT4232HMINIMODULE | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB to serial/FIFO development module 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Hi-Speed FT4232H Evaluation Module |
| FT4232H-MINI-MODULE | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC,FT4323H EVALUATION MODULE;USB HI-SPEED |
| FT4232HQ | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB Hi-Speed to Quad Channel Serial UART/JTAG/SPI/I2C IC - QFN-64 |
| FT4232HQ_MINI_MODULE | 功能描述:界面开发工具 USB Hi-Speed FT4323H Evaluation Module RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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