FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
Version 1.4
Document No.: FT_001011
Clearance No.: FTDI#405
Future Technology
Devices International Ltd
.
FT4222H
(USB2.0 to QuadSPI/I
2
C
Bridge IC)
FT4222H is a USB2.0 to Quad-SPI/I
2
C
interface Device Controller with the
following advanced features:
Single chip USB2.0 Hi-speed to SPI/I
2
C bridge
with a variety of configurations
Entire USB protocol handled on the chip.
On-chip OTP memory for USB Vendor ID (VID),
Product ID (PID), device serial number,
product description string and various other
vender specific data.
Configurable
industry
standard
Master/Slave interface controller
SPI
Configurable GPIOs can be easily controlled by
software applications via USB bus
USB Battery Charger Detection.
Device supplied pre-programmed with unique
USB serial number.
USB Power Configurations; supports bus-
powered, self-powered and bus-powered with
power switching.
+5V USB VBUS detection engine
Integrated 5V-3.3V-1.8V regulators.
True 3.3V CMOS drive output and TTL input.
(operates down to 1V8 with external pull-ups)
Configurable I/O pin output drive strength; 4
mA(min) and 16 mA(max)
Integrated power-on-reset circuit.
USB2.0 Low operating and suspend current;
68mA (active-typ) and 375µA (suspend-typ).
UHCI / OHCI / EHCI / XHCI host controller
compatible.
FTDI’s royalty-free Direct (D2XX) drivers for
Windows eliminate the requirement for USB
driver development in most cases.
Extended operating temperature range; -40⁰C
to 85⁰C.
Available in compact Pb-free 32 Pin VQFN
packages (RoHS compliant).
Support configurable data width with single,
dual, quad data width transfer mode in SPI
master
SCK can support up to 30MHz in SPI master
Up to 53.8Mbps data transfer rate in SPI
master with quad mode transfer
Support single bit data transfer with full-duplex
transfer in SPI Slave
Support up to 4 channels slave selection
control pins in SPI master application
Configurable
I
2
C
Master/Slave
interface
2
C v2.1 and v3.0
controller conforming to I
specification.
Support 4 speed modes as defined in the I
2
C-
bus Specification, standard mode (SM) up to
100Kbit/s, fast mode (FM) up to 400Kbit/s,
Fast mode plus (FM+) up to 1Mbit/s, and High
Speed mode (HS) up to 3.4 Mbit/s
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 produ ct. 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 © Future Technology Devices International Limited
1
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
Version 1.4
Document No.: FT_001011
Clearance No.: FTDI#405
1
Typical Applications
USB to single mode SPI master controller
USB to dual mode SPI master controller
USB to quad mode SPI master controller
USB to single SPI slave controller
USB to I
2
C master interface controller
USB to I
2
C slave interface controller
Utilising USB to add system modularity
Incorporate USB interface to enable PC
transfers for development system
communication
USB Industrial Control
USB Data Acquisition
Accessory connectivity solutions for mobiles
and tablets
USB dongle implementations for Software/
Hardware Encryption and Wireless Modules
Detect USB dedicated charging ports, to allow
for high current battery charging in portable
devices.
1.1
Driver Support
Royalty free D2XX
Direct
Drivers (USB Drivers + DLL S/W Interface)
Windows 10 32, 64-bit
Windows 8.1 32, 64-bit
Windows 8 32, 64-bit
Windows 7 32, 64-bit
Server 2008 R2
Server 2012 R2
MAC OSX
Linux
Android
For driver installation, please refer to
http://www.ftdichip.com/Documents/InstallGuides.htm
1.2
Ordering Information
Part Number
Package
Remark
FT4222HQ-D-x
Note: Packing codes for x is:
32 Pin VQFN
Rev D
- R: Taped and Reel, 5,000pcs per reel
- T: Tray packing, 490pcs per tray
For example: FT4222HQ-D-T is 490pcs tray packing (rev D)
Copyright © Future Technology Devices International Limited
2
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
Version 1.4
Document No.: FT_001011
Clearance No.: FTDI#405
1.3
USB Compliant
The FT4222H is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID
(TID)
40001830
.
Copyright © Future Technology Devices International Limited
3
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
Version 1.4
Document No.: FT_001011
Clearance No.: FTDI#405
2
FT4222H Block Diagram
Figure 2.1 FT4222H Block Diagram
For a description of each function please refer to Section 4.
Copyright © Future Technology Devices International Limited
4
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
Version 1.4
Document No.: FT_001011
Clearance No.: FTDI#405
Table of Contents
1
1.1
1.2
1.3
Typical Applications....................................................... 2
Driver Support ........................................................................... 2
Ordering Information ................................................................. 2
USB Compliant ........................................................................... 3
2
3
3.1
3.2
FT4222H Block Diagram ................................................ 4
Device Pin Out and Signal Description ........................... 7
VQFN-32 Package Pin Out .......................................................... 7
Pin Description .......................................................................... 8
4
4.1
4.2
Function Description ................................................... 10
Key Features ............................................................................ 10
Functional Block Descriptions .................................................. 11
5
5.1
5.2
FT4222H Chip Mode Configuration & SPI/I
2
C Interface
14
Chip Mode Configuration .......................................................... 14
SPI Bus Interface..................................................................... 15
SPI Pin Definition ...................................................................................... 15
SPI Bus Protocol ....................................................................................... 15
SCK Format .............................................................................................. 17
SPI Timing ............................................................................................... 18
5.2.1
5.2.2
5.2.3
5.2.4
5.3
I
2
C Bus Interface ..................................................................... 20
I
2
C Pin Definition ....................................................................................... 20
I
2
C Bus Protocol ........................................................................................ 20
I
2
C Slave Address...................................................................................... 21
I
2
C Timing ................................................................................................ 21
5.3.1
5.3.2
5.3.3
5.3.4
5.4
GPIOs ...................................................................................... 23
6
6.1
6.2
6.3
6.4
Devices Characteristics and Ratings ............................ 24
Absolute Maximum Ratings ...................................................... 24
ESD and Latch-up Specifications .............................................. 24
DC Characteristics .................................................................... 25
OTP Memory Reliability Characteristics .................................... 30
7
7.1
7.2
FT4222H Configurations .............................................. 31
USB Bus Powered Configuration ............................................. 31
Self Powered Configuration with 5V Source Input ................... 32
Copyright © Future Technology Devices International Limited
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