DS_FT311D Datasheet, PDF (4/40 Pages) Future Technology Devices International Ltd. – The FT311D is a Full Speed USB host specifically targeted at providing access to peripheral hardware from an Android platform with a USB device port.

DS_FT311D USB ANDROID HOST IC Datasheet
Version 1.0
Document No.: FT_000660 Clearance No.: FTDI# 305
Table of Contents
1 Typical Applications...................................................................... 2
1.1 Part Numbers...................................................................................... 2
1.2 USB Compliant .................................................................................... 2
2 FT311D Block Diagram ................................................................. 3
3 Device Pin Out and Signal Description .......................................... 6
3.1 Package Symbol.................................................................................. 6
3.1.1 Package PinOut Description ........................................................................................... 6
3.2 Interface Selection ............................................................................. 8
3.2.1 Interface pinout ........................................................................................................... 8
4 Function Description................................................................... 10
4.1 Key Features..................................................................................... 10
4.2 Functional Block Descriptions ........................................................... 10
4.2.1 Peripheral Interface Modules ....................................................................................... 10
4.2.2 USB Transceivers....................................................................................................... 10
4.2.3 USB Host .................................................................................................................. 10
4.3 I/O Peripherals Signal Names .......................................................... 10
4.4 Default Mode Strings ........................................................................ 11
5 Peripheral Interfaces ................................................................. 12
5.1 General Purpose Input Output .......................................................... 12
5.2 UART Interface ................................................................................. 12
5.2.1 UART Mode Signal Descriptions ................................................................................... 13
5.3 Pulse Width Modulation .................................................................... 13
5.4 I2C.................................................................................................... 13
5.5 Serial Peripheral Interface – SPI Modes ........................................... 14
5.5.1 SPI Clock Phase Modes ............................................................................................... 14
5.5.2 Serial Peripheral Interface – Slave ............................................................................... 16
5.5.3 Serial Peripheral Interface – SPI Master........................................................................ 16
6 USB Error Detection.................................................................... 19
7 Absolute Maximum Ratings ........................................................ 20
7.1 DC Characteristics............................................................................. 20
7.2 ESD and Latch-up Specifications ....................................................... 22
8 Application Examples ................................................................. 23
8.1 USB to GPIO Converter ..................................................................... 23
8.2 USB to UART Converter ..................................................................... 24
8.3 USB to PWM Converter ..................................................................... 25
8.4 USB to I²C (Master) Converter .......................................................... 26
Copyright © 2012 Future Technology Devices International Limited
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