DS_FT2232H.pdf资源-CSDN文库

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FT2232H芯片手册提供了关于该集成电路的详尽信息，这是一款由Future Technology Devices International Ltd制造的高速USB到多功能UART/FIFO接口转换器。FT2232H作为FTDI第五代USB设备产品线的一部分，主要用于实现高速USB协议到串行或并行接口的转换。 FT2232H芯片的主要特点包括： 1. USB 2.0高速（480 Mb/s）和全速（12 Mb/s）兼容，能够支持高速串行接口。 2. 单芯片USB到双串行/并行端口的转换能力，具有多种工业标准的串行或并行接口配置。 3. 完整的USB协议在芯片内部处理，不需要进行专门的USB固件编程。 4. 具备双多协议同步串行引擎（MPSSE），简化了USB到JTAG、I2C、SPI或bit-bang等同步串行协议的设计。 5. 提供双独立UART或FIFO或MPSSE端口，并有独立的波特率生成器。 6. 可达到高达12M波特的RS232/RS422/RS485 UART传输数据速率（RS232速率受外部电平转换器限制）。 7. USB到并行FIFO传输数据速率高达8MB/s，单通道同步FIFO模式传输速率可达40MB/s。 8. 提供FT245B风格的FIFO接口选项，拥有双向数据总线和简单的4线握手接口。 9. 高度集成设计，包括+1.8V LDO稳压器用于VCORE、集成上电复位（POR）功能以及片上时钟乘法器PLL（12MHz至480MHz）。 10. 可选异步串行UART接口，支持硬件握手和调制解调器接口信号，并提供完全的硬件握手或X-On/X-Off软件握手。 11. UART接口支持7/8位数据位、1/2位停止位以及奇偶校验、标记校验、空格校验和无校验位的配置。 12. RS485串行应用中使用TXDEN引脚实现自动传输使能控制。 13. 操作配置模式和USB描述字符串可以在外部EEPROM中通过USB接口进行配置。 14. 可配置的I/O驱动强度（4、8、12或16mA）和斜率。 15. 支持总线供电、自供电以及高功率总线供电的USB配置。 16. 兼容UHCI/OHCI/EHCI主控制器。 17. USB批量数据传输模式（高速模式下为512字节数据包）。 18. 支持单片机（MCU）主机总线接口。 FT2232H芯片的这些高级特性使得它能够广泛应用于多种工业标准的接口转换，例如USB到JTAG、I2C、SPI或其他同步串行协议。它也适合于高数据传输速率要求的应用场景，如在高性能微控制器或微处理器环境中进行数据采集、测试和通信系统的设计。FT2232H的灵活配置能力，使其能够轻松地集成到各种硬件平台，无论是独立使用还是作为系统的一部分，FT2232H都是实现USB与不同接口间通信的强大工具。

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FT2232H Dual High Speed USB to Multipurpose UART/FIFO IC Datasheet

Version 2.6

Document No.: FT_000061 Clearance No.: FTDI#77

Future Technology

Devices International Ltd

FT2232H Dual High Speed

USB to Multipurpose

UART/FIFO IC

The FT2232H is FTDI’s 5

generation of USB

devices. The FT2232H is a USB 2.0 High Speed

(480Mb/s) to UART/FIFO IC. It has the capability of

being configured in a variety of industry standard

serial or parallel interfaces. The FT2232H has the

following advanced features:

 Single chip USB to dual serial / parallel ports

with a variety of configurations.

 Entire USB protocol handled on the chip. No

USB specific firmware programming required.

 USB 2.0 High Speed (480Mbits/Second) and

Full Speed (12Mbits/Second) compatible.

 Dual Multi-Protocol Synchronous Serial Engine

(MPSSE) to simplify synchronous serial protocol

(USB to JTAG, I

C, SPI or bit-bang) design.

 Dual independent UART or FIFO or MPSSE

ports.

 Independent Baud rate generators.

 RS232/RS422/RS485 UART Transfer Data Rate

up to 12Mbaud. (RS232 Data Rate limited by

external level shifter).

 USB to parallel FIFO transfer data rate up to 8

Mbyte/Sec.

 Single channel synchronous FIFO mode for

transfers upto 40 Mbytes/Sec

 CPU-style FIFO interface mode simplifies CPU

interface design.

 MCU host bus emulation mode configuration

option.

 Fast Opto-Isolated serial interface option.

 FTDI’s royalty-free Virtual Com Port (VCP) and

Direct (D2XX) drivers eliminate the

requirement for USB driver development in

most cases.

 Adjustable receive buffer timeout.

 Option for transmit and receive LED drive

signals on each channel.

 Enhanced bit-bang Mode interface option with

RD# and WR# strobes

 FT245B-style FIFO interface option with bi-

directional data bus and simple 4 wire

handshake interface.

 Highly integrated design includes +1.8V LDO

regulator for VCORE, integrated POR function

and on chip clock multiplier PLL (12MHz –

480MHz).

 Asynchronous serial UART interface option with

full hardware handshaking and modem

interface signals.

 Fully assisted hardware or X-On / X-Off

software handshaking.

 UART Interface supports 7/8 bit data, 1/2 stop

bits, and Odd/Even/Mark/Space/No Parity.

 Auto-transmit enable control for RS485 serial

applications using TXDEN pin.

 Operational configuration mode and USB

Description strings configurable in external

EEPROM over the USB interface.

 Configurable I/O drive strength (4, 8, 12 or

16mA) and slew rate.

 Low operating and USB suspend current.

 Supports bus powered, self-powered and high-

power bus powered USB configurations.

 UHCI/OHCI/EHCI host controller compatible.

 USB Bulk data transfer mode (512 byte packets

in High Speed mode).

 +1.8V (chip core) and +3.3V I/O interfacing

(+5V Tolerant).

 Extended -40°C to 85°C industrial operating

temperature range.

 Compact 64-LD Lead Free LQFP or QFN

package

 Available in compact Pb-free 56 Pin VQFN

packages (RoHS compliant)

 +3.3V single supply operating voltage range.

 ESD protection for FT2232H IO’s:

Human Body Model (HBM) ±2kV,

Machine Mode (MM) ±200V,

Charge Device Model (CDM) ±500V,

Latch-up free.

Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in any material or

electronic form without the prior written consent of the copyright holder. This product and its documentation are supplied on an as-is basis and no warranty as

to their suitability for any particular purpose is either made or implied. Future Technology Devices International Ltd will not accept any claim for damages

howsoever arising as a result of use or failure of this product. Your statutory rights are not affected. This product or any variant of it is not intended for use in

any medical appliance, device or system in which the failure of the product might reasonably be expected to result in personal injury. This document provides

preliminary information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by the

publication of this document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow G41 1HH, United

Kingdom. Scotland Registered Company Number: SC136640

FT2232H Dual High Speed USB to Multipurpose UART/FIFO IC Datasheet

Version 2.6

Document No.: FT_000061 Clearance No.: FTDI#77

1 Typical Applications

 Single chip USB to dual channel UART (RS232,

RS422 or RS485).

 Single chip USB to dual channel FIFO.

 Single chip USB to dual channel JTAG.

 Single chip USB to dual channel SPI.

 Single chip USB to dual channel I2C.

 Single chip USB to dual channel Bit-Bang.

 Single chip USB to dual combination of any of

above interfaces.

 Single chip USB to Fast Serial Optic Interface.

 Single chip USB to CPU target interface (as

memory), double and independent.

 Single chip USB to Host Bus Emulation (as

CPU).

 PDA to USB data transfer

 USB Smart Card Readers

 USB Instrumentation

 USB Industrial Control

 USB MP3 Player Interface

 USB FLASH Card Reader / Writers

 Set Top Box PC - USB interface

 USB Digital Camera Interface

 USB Bar Code Readers

1.1 Driver Support

The FT2232H requires USB drivers (listed below), available free from http://www.ftdichip.com, which are

used to make the FT2232H appear as a virtual COM port (VCP). This allows the user to communicate with

the USB interface via a standard PC serial emulation port (for example TTY). Another FTDI USB driver,

the D2XX driver, can also be used with application software to directly access the FT2232H through a

DLL.

Royalty free VIRTUAL COM PORT

(VCP) DRIVERS for...

 Windows 10 32,64-bit

 Windows 8/8.1 32,64-bit

 Windows 7 32,64-bit

 Windows Vista and Vista 64-bit

 Windows XP and XP 64-bit

 Windows 98, 98SE, ME, 2000, Server 2003, XP,

Server 2008 and server 2012 R2

 Windows XP Embedded

 Windows CE 4.2, 5.0 and 6.0

 Mac OS 8/9, OS-X

 Linux 2.4 and greater

Royalty free D2XX Direct Drivers

(USB Drivers + DLL S/W Interface)

 Windows 10 32,64-bit

 Windows 8/8.1 32,64-bit

 Windows 7 32,64-bit

 Windows Vista and Vista 64-bit

 Windows XP and XP 64-bit

 Windows 98, 98SE, ME, 2000, Server 2003, XP,

Server 2008 and server 2012 R2

 Windows XP Embedded

 Windows CE 4.2, 5.0 and 6.0

 Linux 2.4 and greater

 Android(J2xx)

For driver installation, please refer to the installation guides on our website:

http://www.ftdichip.com/Support/Documents/InstallGuides.htm

The following additional installation guides application notes and technical notes are also available:

 AN_113, “Interfacing FT2232H Hi-Speed Devices to I2C Bus”.

 AN_109 – “Programming Guide for High Speed FTCI2C DLL”

 AN_110 – “Programming Guide for High Speed FTCJTAG DLL”

 AN_111 – “Programming Guide for High Speed FTCSPI DLL”

 AN114 – “Interfacing FT2232H Hi-Speed Devices To SPI Bus”

 AN135 – MPSSE Basics

 AN108 - Command Processor For MPSSE and MCU Host Bus Emulation Modes

 TN_104, “Guide to Debugging Customers Failed Driver Installation”

FT2232H Dual High Speed USB to Multipurpose UART/FIFO IC Datasheet

Version 2.6

Document No.: FT_000061 Clearance No.: FTDI#77

Table of Contents

1 Typical Applications ............................................... 2

1.1 Driver Support ..................................................................... 2

1.2 Part Numbers ...................................................................... 3

1.3 USB Compliant ..................................................................... 3

2 FT2232H Block Diagram ........................................ 4

3 Device Pin Out and Signal Description ................... 8

3.1 64-Pin LQFP and QFN Package ............................................ 8

3.1.1 Schematic Symbol ..................................................................................... 8

3.1.2 Pin Descriptions ........................................................................................ 8

3.1.3 Common Pins ............................................................................................ 9

3.1.4 Configured Pins ....................................................................................... 11

3.1.4.1 FT2232H pins used in an RS232 Interface .................................................... 11

3.1.4.2 FT2232H pins used in an FT245 Style Synchronous FIFO Interface .................. 11

3.1.4.3 FT2232H pins used in an FT245 Style Asynchronous FIFO Interface ................ 12

3.1.4.4 FT2232H pins used in a Synchronous or Asynchronous Bit-Bang Interface ....... 13

3.1.4.5 FT2232H pins used in an MPSSE ................................................................. 14

3.1.4.6 FT2232H Pins used as a Fast Serial Interface................................................ 15

3.1.4.7 FT2232H Pins Configured as a CPU-style FIFO Interface ................................. 15

3.1.4.8 FT2232H Pins Configured as a Host Bus Emulation Interface .......................... 15

3.2 56-Pin VQFN Package ........................................................ 16

3.2.1 Schematic Symbol for FT4232H-56Q .......................................................... 17

3.2.2 Pin Descriptions for FT2232H-56Q ............................................................. 17

3.2.3 Common Pins for FT2232H-56Q ................................................................ 18

3.2.4 Configured Pins for FT2232H-56Q .............................................................. 19

3.2.4.1 FT2232H-56Q pins used in an RS232 interface ............................................. 20

3.2.4.2 FT2232H-56Q pins used in an FT245 Style Synchronous FIFO Interface ........... 20

3.2.4.3 FT2232H-56Q pins used in an FT245 Style Asynchronous FIFO Interface ......... 21

3.2.4.4 FT2232H-56Q pins used in a Synchronous or Asynchronous Bit-Bang Interface 22

3.2.4.5 FT2232H-56Q pins used in an MPSSE .......................................................... 22

3.2.4.6 FT2232H-56Q Pins used as a Fast Serial Interface ......................................... 23

3.2.4.7 FT2232H-56Q Pins Configured as a CPU-style FIFO Interface .......................... 24

3.2.4.8 FT2232H-56Q Pins Configured as a Host Bus Emulation Interface ................... 24

4 Function Description ............................................ 26

4.1 Key Features ..................................................................... 26

4.2 Functional Block Descriptions ............................................ 26

4.3 Dual Port FT232 UART Interface Mode Description ............ 28

剩余68页未读，继续阅读

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