UMFT221XE Datasheet, PDF (2/18 Pages) Future Technology Devices International Ltd. – UMFT221XE USB to 8-bit SPI/FT1248 Development Module

UMFT221XE
Version 1.0
Document Reference No.: FT_000651 Clearance No.: FTDI# 293
Table of Contents
1 Introduction ................................................................................... 1
1.1 Features ........................................................................................................ 1
2 Driver Support ................................................................................ 3
3 Ordering Information ..................................................................... 3
4 UMFT221XE Signals and Configurations ......................................... 4
4.1 UMFT221XE Pin Out ...................................................................................... 4
4.2 Signal Descriptions ....................................................................................... 5
4.3 CBUS Signal Options ..................................................................................... 6
5 Module Configurations.................................................................... 7
5.1 Jumper Configuration Options....................................................................... 7
5.2 Bus Powered Configuration ........................................................................... 8
5.3 Self Powered Configuration........................................................................... 9
5.4 USB Bus Powered with Power Switching Configuration .............................. 10
5.5 Variable IO Voltage Supply ......................................................................... 11
5.6 3.3V Voltage Supply .................................................................................... 12
5.7 Configuring the MTP ROM............................................................................ 12
6 Module Dimensions ...................................................................... 13
7 UMFT221XE Module Circuit Schematic .......................................... 14
8 Internal MTP ROM Configuration .................................................. 15
9 Contact Information ..................................................................... 16
Appendix A - List of Figures and Tables................................................................. 17
Appendix B – Revision History .............................................................................. 18
2
Copyright © 2012 Future Technology Devices International Limited