ft232hq Future Technology Devices International Ltd., ft232hq Datasheet - Page 5

• Manufacturer Part Number: ft232hq
• Description: Ft232h Single Channel Hi- Speed Usb To Multipurpose Uart/fifo Ic
• Manufacturer: Future Technology Devices International Ltd.

Table of Contents
1
2
3
4
1.1
1.2
1.3
1.4
3.1
3.2
3.3
3.4
3.5
4.1
4.2
4.3
4.4
4.5
4.6
4.7
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
4.3.1
4.3.2
4.3.3
4.4.1
4.4.2
4.6.1
4.6.2
4.7.1
4.7.2
Typical Applications ...................................................................... 2
FT232H Block Diagram ................................................................. 4
Device Pin Out and Signal Description .......................................... 7
Function Description................................................................... 21
Driver Support .................................................................................... 2
Part Numbers...................................................................................... 2
USB Compliant .................................................................................... 3
Applicable Documents ........................................................................ 3
48-Pin LQFP and 48-Pin QFN Package Schematic Symbol ................... 7
FT232H Pin Descriptions ..................................................................... 8
Signal Description ............................................................................... 9
ACBUS Signal Option ......................................................................... 12
Pins Configurations ........................................................................... 13
Key Features ..................................................................................... 21
Functional Block Descriptions ........................................................... 22
FT232 UART Interface Mode Description ........................................... 23
FT245 Synchronous FIFO Interface Mode Description ...................... 28
FT245 Style Asynchronous FIFO Interface Mode Description ............ 30
FT1248 Interface Mode Description .................................................. 31
Synchronous and Asynchronous Bit-Bang Interface Mode ................ 36
FT232H pins used in an UART interface......................................................................... 13
FT232H pins used in an FT245 Synchronous FIFO Interface ............................................. 14
FT232H pins used in an FT245 Style Asynchronous FIFO Interface ................................... 15
FT232H can be configured as a Synchronous or Asynchronous Bit-Bang Interface. ............. 16
FT232H pins used in an MPSSE .................................................................................... 17
FT232H Pins used as a Fast Serial Interface .................................................................. 18
FT232H Pins Configured as a CPU-style FIFO Interface ................................................... 19
FT232H Pins Configured as a FT1248 Interface .............................................................. 20
RS232 Configuration .................................................................................................. 24
RS422 Configuration .................................................................................................. 26
RS485 Configuration .................................................................................................. 27
FT245 Synchronous FIFO Read Operation ..................................................................... 29
FT245 Synchronous FIFO Write Operation ..................................................................... 29
Bus Width Protocol Decode ......................................................................................... 32
FT1248: 1-bit interface ............................................................................................... 33
Asynchronous Bit-Bang Mode ...................................................................................... 36
Synchronous Bit-Bang Mode ........................................................................................ 36
Copyright © 2011 Future Technology Devices International Limited
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Document No.: FT_000288
Clearance No.: FTDI #199
Datasheet Version 1.0
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