English
Language : 

DS_FT312D Datasheet, PDF (4/25 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd.
DS_FT312D USB ANDROID HOST IC Datasheet
Version 1.0
Document No.: FT_000816 Clearance No.: FTDI# 331
Table of Contents
1 Typical Applications...................................................................... 2
1.1 Part Numbers ..................................................................................... 2
1.2 USB Compliant .................................................................................... 2
2 FT312D Block Diagram ................................................................. 3
3 Device Pin Out and Signal Description .......................................... 5
3.1 Package Symbol.................................................................................. 5
3.1.1 Package PinOut Description ........................................................................................... 5
4 Function Description..................................................................... 7
4.1 Key Features....................................................................................... 7
4.2 Functional Block Descriptions ............................................................. 7
4.2.1 UART Interface Module ................................................................................................. 7
4.2.2 Buffers ....................................................................................................................... 7
4.2.3 USB Host .................................................................................................................... 7
4.2.4 USB Transceivers......................................................................................................... 7
4.3 Default Descriptor Strings .................................................................. 7
5 UART Interface ............................................................................. 9
6 USB Error Detection.................................................................... 10
7 Absolute Maximum Ratings ........................................................ 11
7.1 DC Characteristics .............................................................................12
7.2 ESD and Latch-up Specifications ........................................................13
8 Application Examples ................................................................. 14
8.1 USB to UARTConverter .......................................................................14
8.2 USB to RS232 Converter ....................................................................15
9 Package Parameters ................................................................... 16
9.1 FT312D Package Markings .................................................................16
9.1.1 QFN-32 .................................................................................................................... 16
9.1.2 LQFP-32 ................................................................................................................... 17
9.2 FT312DPackage Dimensions ..............................................................18
9.2.1 QFN-32 Package Dimensions ....................................................................................... 18
9.2.2 LQFP-32 Package Dimensions...................................................................................... 19
9.3 Solder Reflow Profile .........................................................................20
10 Contact Information ................................................................... 22
Appendix A – References ....................................................................................... 23
Appendix B - List of Figures and Tables ................................................................. 24
Appendix C - Revision History ................................................................................ 25
Copyright © 2013 Future Technology Devices International Limited
4