FT4232H数据表(DS_FT4232H数据表).pdf

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1 Typical Applications

1.1 Driver Support

1.2 Part Numbers

1.3 USB Compliant

2 FT4232H Block Diagram

3 Device Pin Out and Signal Description

3.1 64-pin LQFP and QFN Package

3.1.1 Schematic Symbol

3.1.2 Pin Descriptions

3.1.3 Common Pins

3.1.4 Configured Pins

3.1.4.1 FT4232H Pins used as an Asynchronous Serial Interface

3.1.4.2 FT4232H Pins used in a Synchronous or Asynchronous Bit-Bang Interface

3.1.4.3 FT4232H pins used in an MPSSE

3.2 56-pin VQFN Package

3.2.1 Schematic Symbol for FT4232H-56Q

3.2.2 Pin Descriptions for FT4232H-56Q

3.2.3 Common Pins for FT4232H-56Q

3.2.4 Configured Pins for FT4232H-56Q

3.2.4.1 FT4232H-56Q pins used as an asynchronous serial interface

3.2.4.2 FT4232H-56Q pins used in a Synchronous or Asynchronous Bit-Bang Interface

3.2.4.3 FT4232H-56Q pins used in an MPSSE

4 Function Description

4.1 Key Features

4.2 Functional Block Descriptions

4.3 FT232 UART Interface Mode Description

4.3.1 RS232 Configuration

4.3.2 RS422 Configuration

4.3.3 RS485 Configuration

4.4 MPSSE Interface Mode Description

4.4.1 MPSSE Adaptive Clocking

4.5 Synchronous & Asynchronous Bit-Bang Interface Mode Desc.

4.5.1 Asynchronous Bit-Bang Mode

4.5.2 Synchronous Bit-Bang Mode

4.6 FT4232H Mode Selection

5 Devices Characteristics and Ratings

5.1 Absolute Maximum Ratings

5.2 DC Characteristics

5.3 ESD Tolerance

5.4 Thermal Characteristics

6 FT4232H Configurations

6.1 USB Bus Powered Configuration

6.2 USB Self Powered Configuration

6.3 Oscillator Configuration

6.4 4 Channel Transmit and Receiver LED Indication Example

7 EEPROM Configuration

7.1 Default EEPROM Configuration

8 Package Parameters

8.1 FT4232HQ, QFN-64 Package Dimensions

8.2 FT4232HL, LQFP-64 Package Dimensions

8.3 FT4232H-56Q, VQFN-56 Package Dimensions

8.4 Solder Reflow Profile

9 Contact Information

Appendix A – References

Document References

Acronyms and Abbreviations

Appendix B - List of Figures and Tables

List of Tables

List of Figures

Appendix C - Revision History

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 Future Technology Devices International Ltd FT4232H Quad High Speed USB to Multipurpose UART/MPSSE IC The FT4232H is FTDI’s 5th generation of USB devices. The FT4232H is a USB 2.0 High Speed (480Mb/s) to UART/MPSSE ICs. The device features 4 UARTs. Two of these have an option to independently configure an MPSSE engine. This allows the FT4232H to operate as two UART/Bit-Bang ports plus two MPSSE engines used to emulate JTAG, SPI, I2C, Bit-bang or other synchronous serial modes. The FT4232H has the following advanced features:  Single chip USB to quad serial 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. Two Multi-Protocol Synchronous Serial Engine (MPSSE) on channel A and channel B, to simplify synchronous serial protocol (USB to JTAG, I2C, SPI or bit-bang) design. Independent Baud rate generators.   RS232/RS422/RS485 UART Transfer Data Rate up to 12Mbaud. (RS232 Data Rate limited by external level shifter). FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.   Highly integrated design includes +1.8V LDO regulator for VCORE, integrated POR function and on chip clock multiplier PLL (12MHz – 480MHz). FTDI FT232B style, 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 in external Description strings configurable EEPROM over the USB interface. Low operating and USB suspend current.   Configurable I/O drive strength (4, 8, 12 or 16mA) and slew rate.  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).  Dedicated Windows DLLs available for USB to JTAG, USB to SPI, and USB to I2C applications.  +1.8V (chip core) and +3.3V I/O interfacing  Optional traffic TX/RX indicators can be added with LEDs and an external 74HC595 shift register.  (+5V Tolerant). Extended -40°C to 85°C industrial operating temperature range.  Adjustable receive buffer timeout.  Support for USB suspend and resume conditions  Compact 64-LD Lead Free LQFP or QFN package  Available in compact Pb-free 56 Pin VQFN via PWREN#, SUSPEND# and RI# pins. packages (RoHS compliant)  +3.3V single supply operating voltage range.  ESD protection for FT4232H 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 Number: SC136640 Copyright © Future Technology Devices International Limited 1

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 1 Typical Applications  Single chip USB to four channels UART (RS232, RS422 or RS485) or Bit-Bang interfaces.  Numerous combinations of 4 channels.  Upgrading Legacy Peripheral Designs to USB  Single chip USB to 2 JTAG channels plus 2 UARTS.  Single chip USB to 1 JTAG channel plus 3 UARTS.  Single chip USB to 1 SPI channel plus 3 UARTS.  Single chip USB to 2 SPI channels plus 2 UARTS.  Single chip USB to 2 Bit-Bang channels plus 2 UARTS.  Single chip USB to 1 SPI channel, plus 1 JTAG channel plus 2 UARTS.  Single chip USB to 2 I2C channels plus 2 UARTS. 1.1 Driver Support Field Upgradable USB Products   Cellular and cordless phone USB data transfer  cables and interfaces. Interfacing MCU / PLD / FPGA based designs to USB 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 The FT4232H requires USB drivers (listed below), available free from http://www.ftdichip.com, which are used to make the FT4232H 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 FT4232H through a DLL. Royalty free VIRTUAL COM PORT (VCP) DRIVERS for... Royalty free D2XX Direct Drivers (USB Drivers + DLL S/W Interface)  Windows 10 32,64-bit  Windows 10 32,64-bit  Windows 8/8.1 32,64-bit  Windows 8/8.1 32,64-bit  Windows 7 32,64-bit  Windows 7 32,64-bit  Windows Vista and Vista 64-bit  Windows Vista and Vista 64-bit  Windows XP and XP 64-bit  Windows XP and XP 64-bit  Windows 98, 98SE, ME, 2000, Server 2003, XP,  Windows 98, 98SE, ME, 2000, Server 2003, XP, Server 2008 and server 2012 R2 Server 2008 and server 2012 R2  Windows XP Embedded  Windows XP Embedded  Windows CE 4.2, 5.0 and 6.0  Windows CE 4.2, 5.0 and 6.0  Mac OS 8/9, OS-X  Linux 2.4 and greater 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”  AN 113 – “Interfacing FT2232H Hi-Speed Devices To I2C Bus”  AN114 – “Interfacing FT2232H Hi-Speed Devices To SPI Bus”  AN135 – MPSSE Basics  AN108 - Command Processor For MPSSE and MCU Host Bus Emulation Modes Copyright © Future Technology Devices International Limited 2

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78  TN_104, “Guide to Debugging Customers Failed Driver Installation” 1.2 Part Numbers Part Number Package 64 Pin LQFP 64 Pin QFN 56 Pin VQFN FT4232HL-XXXX FT4232HQ-XXXX FT4232H-56Q-XXXX Note: Packaging codes for xxxx is: - Reel: Taped and Reel (LQFP =1000 pcs per reel, QFN-64 =4000 pcs per reel, QFN-56 = 3000 pcs per reel) - Tray: Tray packing, (LQFP =160 pcs per tray, QFN-64 =260 pcs per tray, QFN-56 = 260 pcs per tray) Please refer to section 8 for all package mechanical parameters. 1.3 USB Compliant The FT4232H is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID (TID) 40720024. The timing of the rise/fall time of the USB signals is not only dependant on the USB signal drivers, it is also dependant system and is affected by factors such as PCB layout, external components and any transient protection present on the USB signals. For USB compliance these may require a slight adjustment. This timing can be modified through a programmable setting stored in the same external EEPROM that is used for the USB descriptors. Timing can also be changed by adding appropriate passive components to the USB signals. Copyright © Future Technology Devices International Limited 3

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 2 FT4232H Block Diagram For a description of each function please refer to Section 4. Figure 2.1 FT4232H Block Diagram Copyright © Future Technology Devices International Limited 4 120 MHzDual Port TXBuffer 2K BytesDual Port RXBuffer 2K BytesBaud RateGeneratorMulti- purpose UART/bit-bang ControllerADBUS0ADBUS1ADBUS2ADBUS3ADBUS4ADBUS5ADBUS6ADBUS7120 MHzDual Port TXBuffer 2K BytesDual Port RXBuffer 2K BytesBaud RateGeneratorMulti- purpose UART/bit-bang ControllerBDBUS0BDBUS1BDBUS2BDBUS3BDBUS4BDBUS5BDBUS6BDBUS7120 MHzDual Port TXBuffer 2K BytesDual Port RXBuffer 2K BytesBaud RateGeneratorMulti- purpose UART/bit-bang ControllerCDBUS0CDBUS1CDBUS2CDBUS3CDBUS4CDBUS5CDBUS6CDBUS7120 MHzDual Port TXBuffer 2K BytesDual Port RXBuffer 2K BytesBaud RateGeneratorMulti- purpose UART/bit-bang ControllerDDBUS0DDBUS1DDBUS2DDBUS3DDBUS4DDBUS5DDBUS6DDBUS7120 MHz120 MHz120 MHz120 MHzUSB Protocol EngineAnd FIFO ControlUTMI PHYUSBDMUSBDPRREFRESETGeneratorRESET#TESTOSCIOSCO1.8 VoltLDORegulatorVCC 3V3 INV1.8OUTEEPROMInterfaceEECSEESKEEDATAPWREN#SUSPEND#MPSSE/MPSSE/

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 Table of Contents 1 Typical Applications .......................................................... 2 1.1 Driver Support ............................................................................. 2 1.2 Part Numbers ............................................................................... 3 1.3 USB Compliant ............................................................................. 3 2 FT4232H Block Diagram .................................................... 4 3 Device Pin Out and Signal Description ............................... 7 3.1 64-pin LQFP and QFN Package ..................................................... 7 3.1.1 Schematic Symbol ....................................................................................... 7 3.1.2 Pin Descriptions ........................................................................................... 7 3.1.3 Common Pins .............................................................................................. 9 3.1.4 Configured Pins ......................................................................................... 10 3.2 56-pin VQFN Package ................................................................ 11 3.2.1 Schematic Symbol for FT4232H-56Q ............................................................ 12 3.2.2 Pin Descriptions for FT4232H-56Q................................................................ 12 3.2.3 Common Pins for FT4232H-56Q ................................................................... 14 3.2.4 Configured Pins for FT4232H-56Q ................................................................ 15 4 Function Description ....................................................... 17 4.1 Key Features .............................................................................. 17 4.2 Functional Block Descriptions .................................................... 17 4.3 FT232 UART Interface Mode Description .................................... 18 4.3.1 RS232 Configuration .................................................................................. 18 4.3.2 RS422 Configuration .................................................................................. 19 4.3.3 RS485 Configuration .................................................................................. 20 4.4 MPSSE Interface Mode Description ............................................ 21 4.4.1 MPSSE Adaptive Clocking ............................................................................ 22 4.5 Synchronous & Asynchronous Bit-Bang Interface Mode Desc. ... 23 4.5.1 Asynchronous Bit-Bang Mode ...................................................................... 23 4.5.2 Synchronous Bit-Bang Mode ........................................................................ 23 4.6 FT4232H Mode Selection ............................................................ 24 5 Devices Characteristics and Ratings ................................ 25 5.1 Absolute Maximum Ratings ........................................................ 25 5.2 DC Characteristics ...................................................................... 25 5.3 ESD Tolerance ............................................................................ 27 Copyright © Future Technology Devices International Limited 5

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 5.4 Thermal Characteristics ............................................................. 27 6 FT4232H Configurations .................................................. 28 6.1 USB Bus Powered Configuration ................................................ 28 6.2 USB Self Powered Configuration ................................................ 30 6.3 Oscillator Configuration ............................................................. 32 6.4 4 Channel Transmit and Receiver LED Indication Example ......... 33 7 EEPROM Configuration .................................................... 34 7.1 Default EEPROM Configuration ................................................... 34 8 Package Parameters ....................................................... 36 8.1 FT4232HQ, QFN-64 Package Dimensions ................................... 36 8.2 FT4232HL, LQFP-64 Package Dimensions .................................. 37 8.3 FT4232H-56Q, VQFN-56 Package Dimensions ............................ 38 8.4 Solder Reflow Profile ................................................................. 39 9 Contact Information ........................................................ 40 Appendix A – References ................................................... 41 Document References ....................................................................... 41 Acronyms and Abbreviations ............................................................ 41 Appendix B - List of Figures and Tables ............................. 43 List of Tables .................................................................................... 43 List of Figures ................................................................................... 43 Appendix C - Revision History ............................................ 45 Copyright © Future Technology Devices International Limited 6

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 3 Device Pin Out and Signal Description 3.1 64-pin LQFP and QFN Package The 64-pin LQFP and 64-pin QFN have the same pin numbering for specific functions. This pin numbering is illustrated in the schematic symbol shown in Figure 3.1. 3.1.1 Schematic Symbol Figure 3.1 FT4232HL and FT4232HQ Schematic Symbol 3.1.2 Pin Descriptions This section describes the operation of the FT4232H pins for 64-pin LQFP and 64-pin QFN. Both the 64-pin QFN and LQFP packages have the same function on each pin. The function of many pins is determined by the configuration of the FT4232H. The following table details the function of each pin dependent on the configuration of the interface. Each of the functions is described in Table 3.1. Note: The convention used throughout this document for active low signals is the signal name followed by # Copyright © Future Technology Devices International Limited 7 GND1OSCI2OSCO3VPHY4GND5REF6DM7DP8VPLL9AGND10GND11VCORE12TEST13RESET#14GND15ADBUS016ADBUS117ADBUS218ADBUS319VCCIO20ADBUS421ADBUS522ADBUS623ADBUS724GND252627282930VCCIO31323334GND35SUSPEND#36VCORE37BDBUS038BDBUS139BDBUS240BDBUS341VCCIO42BDBUS443BDBUS544BDBUS645BDBUS746GND4748VREGOUT49VREGIN50GND51525354VCCIO5655575859PWREN#60EECLK62EEDATA61EECS63VCORE64 FT4232HCDBUS0CDBUS1CDBUS2CDBUS3CDBUS4CDBUS5CDBUS6CDBUS7DDBUS0DDBUS1DDBUS2DDBUS3DDBUS4DDBUS5DDBUS6DDBUS7

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.6 Document No.: FT_000060 Clearance No.: FTDI#78 FT4232HL and FT4232HQ (64-pin) Pins Pin Name ASYNC Serial (RS232) Pin functions (depend on configuration) ASYNC Bit- bang Channel A SYNC Bit- bang D0 D1 D2 D3 D4 D5 D6 D7 Channel B D0 D1 D2 D3 D4 D5 D6 D7 Channel C D0 D1 D2 D3 D4 D5 D6 D7 Channel D D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 MPSSE TCK/SK TDI/DO TDO/DI TMS/CS GPIOL0 GPIOL1 GPIOL2 GPIOL3 TCK/SK TDI/DO TDO/DI TMS/CS GPIOL0 GPIOL1 GPIOL2 GPIOL3 RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface RS232 or Bit-Bang interface PWREN# Pin # 16 17 18 19 21 22 23 24 26 27 28 29 30 32 33 34 ADBUS0 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 ADBUS6 ADBUS7 BDBUS0 BDBUS1 BDBUS2 BDBUS3 BDBUS4 BDBUS5 BDBUS6 BDBUS7 38 CDBUS0 39 CDBUS1 40 CDBUS2 41 CDBUS3 43 CDBUS4 44 CDBUS5 45 CDBUS6 TXD RXD RTS# CTS# DTR# DSR# DCD# RI#/ TXDEN* TXD RXD RTS# CTS# DTR# DSR# DCD# RI#/ TXDEN* TXD RXD RTS# CTS# DTR# DSR# DCD# 46 CDBUS7 RI#/ TXDEN* 48 DDBUS0 52 DDBUS1 53 DDBUS2 54 DDBUS3 55 DDBUS4 57 DDBUS5 58 DDBUS6 TXD RXD RTS# CTS# DTR# DSR# DCD# 59 DDBUS7 RI#/ TXDEN* 60 36 PWREN# SUSPEND # PWREN# PWREN# PWREN# SUSPEND# SUSPEND# SUSPEND# SUSPEND# Configuration memory interface Copyright © Future Technology Devices International Limited 8

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