English
Language : 

DS_FT312D Datasheet, PDF (1/25 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
Future Technology Devices
International Ltd.
DS_FT312D
(USB Android Host IC)
The FT312D is a USB 2.0 Full Speed
host IC specifically targeted at
providing access to peripheral
hardware from an Android platform
with a USB device port. The device will
bridge the USB port to a UART
interface via the Android Open
Accessory protocol and has the
following advanced features:
 Single chip USB to UART interface.

 Entire USB protocol handled on the chip. No 
USB specific firmware programming required.

 USB bulk transfer mode
 Basic UART interface with RXD, TXD, RTS#, 
CTS# pins.

 TX_ACTIVE signal for controlling transceivers
on RS485 interfaces.

 UART RX buffer size is 5512 bytes
 UART TX buffer size is 256 bytes

 USB_ERROR indicator pin
 Suitable for use on any Android platform
supporting Android Open Accessory Mode
(Typically 3.1 onwards, however some
platforms may port Open Accessory Mode to
version 2.3.4)
12MHz oscillator using external crystal.
Integrated power-on-reset circuit.
+3V3Single Supply Operation with 5V tolerant
inputs.
USB 2.0 Full Speed compatible.
Extended operating temperature range; -40⁰C
to 85⁰C.
Available in compact Pb-free 32 Pin LQFP and
QFN packages (both RoHS compliant).
Supports bulk transfer mode
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced
in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are
supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology
Devices International Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your
statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in
which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary
information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by
the publication of this document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow
G41 1HH United Kingdom. Scotland Registered Company Number: SC136640
Copyright © 2013 Future Technology Devices International Limited
1