Copyright © 2013 Future Technology Devices International Limited

4

DS_FT311D

USB ANDROID HOST IC Datasheet

Version 1.2

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 .................................................................... 14

5.4

I2C.................................................................................................... 14

5.5

Serial Peripheral Interface – SPI Modes ........................................... 15

5.5.1

SPI Clock Phase Modes ............................................................................................... 15

5.5.2

Serial Peripheral Interface – Slave ............................................................................... 16

5.5.3

Serial Peripheral Interface – SPI Master........................................................................ 18

6

USB Error Detection.................................................................... 20

7

Absolute Maximum Ratings ........................................................ 21

7.1

DC Characteristics............................................................................. 22

7.2

ESD and Latch-up Specifications....................................................... 23

8

Application Examples ................................................................. 24

8.1

USB to GPIO Converter ..................................................................... 24

8.2

USB to UART Converter..................................................................... 25

8.3

USB to PWM Converter ..................................................................... 26

8.4

USB to I2C (Master) Converter .......................................................... 27