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Copyright © 2012 Future Technology Devices International Limited

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