Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
4.8.1 Outgoing Fast Serial Data ........................................................................................... 38
4.8.2 Incoming Fast Serial Data........................................................................................... 38
4.8.3 Fast Opto-Isolated Serial Data Interface Example .......................................................... 39
4.9 CPU-style FIFO Interface Mode Description...................................... 40
4.10
Synchronous and Asynchronous Bit-Bang Interface Mode
Description ................................................................................................ 42
4.11
4.12
RS232 UART Mode LED Interface Description ................................ 44
Send Immediate / Wake Up (SIWU#)............................................ 45
FT2232H Mode Selection ........................................................................... 46
4.12.1
Do I need an EEPROM? ........................................................................................... 46
5
6
Devices Characteristics and Ratings........................................... 47
5.1 Absolute Maximum Ratings............................................................... 47
5.2 DC Characteristics............................................................................. 48
5.3 ESD Tolerance................................................................................... 50
FT2232H Configurations............................................................. 51
6.1 USB Bus Powered Configuration ....................................................... 51
6.2 USB Self Powered Configuration....................................................... 53
6.3 Oscillator Configuration.................................................................... 55
EEPROM Configuration................................................................ 56
Package Parameters................................................................... 57
8.1 FT2232HQ, QFN-64 Package Dimensions.......................................... 57
8.2 FT2232HL, LQFP-64 Package Dimensions......................................... 58
8.3 Solder Reflow Profile ........................................................................ 60
Contact Information................................................................... 62
Appendix A – List of Figures and Tables .................................................... 64
List of Tables ............................................................................................. 64
Appendix B – Revision History................................................................... 66
7
8
9
Copyright © 2012 Future Technology Devices International Limited
7