FT4232HQ - REEL FTDI, Future Technology Devices International Ltd, FT4232HQ - REEL Datasheet - Page 5

• Manufacturer Part Number: FT4232HQ - REEL
• Description: IC USB UART/MPSSE QUAD HS 64-QFN
• Manufacturer: FTDI, Future Technology Devices International Ltd
• Series: USBmadeEZ-FIFOr

Specifications of FT4232HQ - REEL

• Features: USB to UART and/or SPI, I2C, JTAG
• Number Of Channels: 4, QUART
• Fifo's: 2048 Byte
• Protocol: RS-232, RS-422, RS-485
• Voltage - Supply: 3 V ~ 3.6 V
• With Auto Flow Control: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 64-QFN
• For Use With: 768-1031 - MOD USB HS FT4232H EVAL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1027-2; FT4232HQ - REEL

Table of Contents
1
2
3
4
5
6
7
8
1.1
1.2
1.3
3.1
3.2
3.3
3.4
4.1
4.2
4.3
4.4
4.5
4.6
5.1
5.2
5.3
6.1
6.2
6.3
6.4
3.4.1
3.4.2
3.4.3
4.3.1
4.3.2
4.3.3
4.4.1
Typical Applications ...................................................................... 2
FT4232H Block Diagram ............................................................... 4
Device Pin Out and Signal Description .......................................... 7
Function Description................................................................... 15
Devices Characteristics and Ratings ........................................... 25
FT4232H Configurations ............................................................. 29
EEPROM Configuration ................................................................ 35
Package Parameters ................................................................... 36
Driver Support .................................................................................... 2
Part Numbers...................................................................................... 3
USB Compliant .................................................................................... 3
64-Pin LQFP and 64-Pin QFN Package Schematic Symbol ................... 7
FT4232H Pin Descriptions ................................................................... 8
Common Pins .................................................................................... 10
Configured Pins ................................................................................ 12
Key Features ..................................................................................... 15
Functional Block Descriptions ........................................................... 15
FT232 UART Interface Mode Description ........................................... 17
MPSSE Interface Mode Description. .................................................. 20
Synchronous and Asynchronous Bit-Bang Interface Mode Description
22
FT4232H Mode Selection ................................................................... 24
Absolute Maximum Ratings............................................................... 25
DC Characteristics............................................................................. 26
ESD Tolerance ................................................................................... 28
USB Bus Powered Configuration ...................................................... 29
USB Self Powered Configuration ....................................................... 31
Oscillator Configuration .................................................................... 33
4 Channel Transmit and Receiver LED Indication Example ............... 34
FT4232H pins used as an asynchronous serial interface .................................................. 12
FT4232H pins used in a Synchronous or Asynchronous Bit-Bang Interface ........................ 13
FT4232H pins used in an MPSSE .................................................................................. 14
RS232 Configuration .................................................................................................. 17
RS422 Configuration .................................................................................................. 18
RS485 Configuration .................................................................................................. 19
MPSSE Adaptive Clocking ............................................................................................ 21
Copyright © 2010 Future Technology Devices International Limited
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Document No.: FT_000060
Clearance No.: FTDI#78
Datasheet Version 2.10
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