FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
1.1
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 SPI Master/Slave
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 level converter for
USB I/O.
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; -40 to
85⁰C.
Available in compact Pb-free 32 Pin VQFN
packages (RoHS compliant).
interface controller
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 28Mbps 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 controller
conforming to I
2
C v2.1 and v3.0 specification.
Support 4 speed modes defined in 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 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 © 2015 Future Technology Devices International Limited
1
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
1.1
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
For driver installation, please refer to
http://www.ftdichip.com/Documents/InstallGuides.htm
1.2 Part Numbers
Part Number
Package
FT4222HQ-x
Note: Packing codes for x is:
- R: Taped and Reel, 5,000pcs per reel
- T: Tray packing, 490pcs per tray
32 Pin VQFN
For example: FT4222HQ-R is 5,000pcs taped and reel packing
Copyright © 2015 Future Technology Devices International Limited
2
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
1.1
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) 40001599.
Copyright © 2015 Future Technology Devices International Limited
3
FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
1.1
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 © 2015 Future Technology Devices International Limited
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FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC
1.1
Document No.: FT_001011
Clearance No.: FTDI#405
Table of Contents
1
1.1
1.2
1.3
Typical Applications ...................................................................... 2
Driver Support .................................................................................... 2
Part Numbers...................................................................................... 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 and 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
5.3.1
5.3.2
5.3.3
5.3.4
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
5.4
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
7.3
7.4
7.5
FT4222H Configurations ............................................................. 31
USB Bus Powered Configuration ...................................................... 31
Self Powered Configuration with 5V Source Input ............................ 32
Self Powered Configuration with 3.3V Source In .............................. 33
Crystal Oscillator Configuration ........................................................ 34
USB Battery Charging Detection ....................................................... 35
8
Application Examples ................................................................. 36
Copyright © 2015 Future Technology Devices International Limited
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