Microchip Technology EVB-USB4x12 User Manual
EVB-USB4x12
Evaluation Board
User’s Guide
2019 Microchip Technology Inc. DS50002889A
Note the following details of the code protection feature on Microchip devices:
QUALITYMANAGEMENTSYSTEM
CERTIFIEDBYDNV
== ISO/TS16949==
• Microchip products meet the specification contained in their particular Microchip Data Sheet.
• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device applications and the like is provided only for your convenience and may be
superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO
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The Microchip name and logo, the Microchip logo, AnyRate, AVR, AVR logo, AVR Freaks, BitCloud, chipKIT, chipKIT logo, CryptoMemory,
CryptoRF, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq, Kleer, LANCheck, LINK MD, maXStylus, maXTouch, MediaLB, megaAVR,
MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, Prochip Designer, QTouch, SAM-BA, SpyNIC, SST, SST
Logo, SuperFlash, tinyAVR, UNI/O, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other
countries.
ClockWorks, The Embedded Control Solutions Company, EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision
Edge, and Quiet-Wire are registered trademarks of Microchip Technology Incorporated in the U.S.A.
Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, CodeGuard, CryptoAuthentication,
CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN,
In-Circuit Serial Programming, ICSP, INICnet, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, memBrain, Mindi, MiWi,
motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM,
PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O, SMART-I.S., SQI,
SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are
trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.
Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other
countries.
All other trademarks mentioned herein are property of their respective companies.
© 2019, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-4560-9
Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
®
MCUs and dsPIC® DSCs, KEELOQ
®
code hopping
DS50002889A-page 2 2019 Microchip Technology Inc.
EVB-USB4X12
EVALUATION BOARD
USER’S GUIDE
Table of Contents
Preface ........................................................................................................................... 5
Introduction............................................................................................................ 5
Document Layout .................................................................................................. 5
Conventions Used in this Guide ............................................................................ 6
The Microchip Web Site ........................................................................................ 7
Development Systems Customer Change Notification Service ............................ 7
Customer Support ................................................................................................. 7
Document Revision History ................................................................................... 8
Chapter 1. Overview
1.1 USB4712/USB4912 General Introduction ...................................................... 9
1.2 About EVB-USB4x12 ..................................................................................... 9
1.3 References ................................................................................................... 12
1.4 Acronyms and Definitions ............................................................................. 12
Chapter 2. Getting Started
2.1 Introduction ................................................................................................... 15
2.2 Kit Contents .................................................................................................. 15
2.3 Quick Start .................................................................................................... 15
2.3.1 Power Source ............................................................................................ 15
2.3.2 Default Firmware ....................................................................................... 15
2.3.3 Host Connection ........................................................................................ 16
2.3.4 Downstream Port Connections .................................................................. 16
Chapter 3. Hardware Configuration Options
3.1 Hardware Configuration Options .................................................................. 17
3.1.1 Configuration ............................................................................................. 17
3.1.2 Power Source ............................................................................................ 18
3.1.3 Board Power .............................................................................................. 18
3.1.4 Reset ......................................................................................................... 18
3.1.5 USB Ports .................................................................................................. 19
3.1.6 Spare GPIOs ............................................................................................. 19
3.1.7 SMBus/I2C Slave ...................................................................................... 20
3.1.8 USB to SMBus/I2C Master ........................................................................ 20
3.1.9 LED Indicators ........................................................................................... 21
3.1.10 Switches .................................................................................................. 21
3.1.11 Connector Descriptions ........................................................................... 22
3.1.12 Test Points .............................................................................................. 22
Appendix A. PCB Layers
A.1 Introduction .................................................................................................. 23
Appendix B. Schematics
2019 Microchip Technology Inc. DS50002889A-page 3
EVB-USB4x12 Evaluation Board User’s Guide
B.1 Introduction .................................................................................................. 27
Appendix C. Bill of Materials
C.1 Introduction .................................................................................................. 33
Worldwide Sales and Service .....................................................................................38
DS50002889A-page 4 2019 Microchip Technology Inc.
EVB-USB4X12
EVALUATION BOARD
USER’S GUIDE
Preface
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our web site
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the
document.
®
For the most up-to-date information on development tools, see the MPLAB
Select the Help menu, and then Topics to open a list of available online help files.
IDE online help.
INTRODUCTION
This chapter contains general information that will be useful to know before using the
USB4712/USB4912. Items discussed in this chapter include:
• Document Layout
• Conventions Used in this Guide
• The Microchip Web SiteThe Microchip Web Site
• Development Systems Customer Change Notification Service
• Customer Support
• Document Revision History
DOCUMENT LAYOUT
This document describes how to use the EVB-USB4x12 Evaluation Board as a
development tool for the USB4712/USB4912 1-Port USB 2.0 automotive hubs. The
manual layout is as follows:
• Chapter 1. “Overview” – This shows a brief description of the EVB-USB4x12
Evaluation Board.
• Chapter 2. “Getting Started” – This includes instructions on how to get started
with the EVB-USB4x12 Evaluation Board.
• Chapter 3. “Hardware Configuration Options” – This provides information
about the EVB-USB4x12 Evaluation Board battery charging features.
• Appendix A. “PCB Layers” – This appendix shows the EVB-USB4x12 Evalua-
tion Board PCB layers.
• Appendix B. “Schematics” – This appendix shows the EVB-USB4x12 Evalua-
tion Board schematics.
• Appendix C. “Bill of Materials” – This appendix includes the EVB-USB4x12
Evaluation Board Bill of Materials (BOM).
2019 Microchip Technology Inc. DS50002889A-page 5
EVB-USB4x12 Evaluation Board User’s Guide
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or
dialog
Underlined, italic text with
right angle bracket
Bold characters A dialog button Click OK
N‘Rnnnn A number in verilog format,
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Italic Courier New A variable argument file.o, where file can be
Square brackets [ ] Optional arguments mcc18 [options] file
Curly brackets and pipe
character: { | }
Ellipses... Replaces repeated text var_name [,
A menu path File>Save
A tab Click the Power tab
where N is the total number of
digits, R is the radix and n is a
digit.
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
Choice of mutually exclusive
arguments; an OR selection
Represents code supplied by
user
“Save project before build”
4‘b0010, 2‘hF1
any valid filename
[options]
errorlevel {0|1}
var_name...]
void main (void)
{ ...
}
®
IDE User’s Guide
DS50002889A-page 6 2019 Microchip Technology Inc.
Preface
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web
site is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the web site contains the following
information:
• Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE
Microchip’s customer notification service helps keep customers current on Microchip
products. Subscribers will receive e-mail notification whenever there are changes,
updates, revisions or errata related to a specified product family or development tool of
interest.
To register, access the Microchip web site at www.microchip.com, click on Customer
Change Notification and follow the registration instructions.
The Development Systems product group categories are:
• Compilers – The latest information on Microchip C compilers, assemblers, linkers
and other language tools. These include all MPLAB C compilers; all MPLAB
assemblers (including MPASM assembler); all MPLAB linkers (including MPLINK
object linker); and all MPLAB librarians (including MPLIB object librarian).
• Emulators – The latest information on Microchip in-circuit emulators. This
includes the MPLAB REAL ICE and MPLAB ICE 2000 in-circuit emulators.
• In-Circuit Debuggers – The latest information on the Microchip in-circuit
debuggers. This includes MPLAB ICD 3 in-circuit debuggers and PICkit 3 debug
express.
• MPLAB IDE – The latest information on Microchip MPLAB IDE, the Windows
Integrated Development Environment for development systems tools. This list is
focused on the MPLAB IDE, MPLAB IDE Project Manager, MPLAB Editor and
MPLAB SIM simulator, as well as general editing and debugging features.
• Programmers – The latest information on Microchip programmers. These include
production programmers such as MPLAB REAL ICE in-circuit emulator, MPLAB
ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included
are non-production development programmers such as PICSTART Plus and
PIC-kit 2 and 3.
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
2019 Microchip Technology Inc. DS50002889A-page 7
EVB-USB4x12 Evaluation Board User’s Guide
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at:
http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revisions Section/Figure/Entry Correction
DS50002889A
(05-29-19)
Initial release
DS50002889A-page 8 2019 Microchip Technology Inc.
Chapter 1. Overview
1.1 USB4712/USB4912 GENERAL INTRODUCTION
The USB4712/USB4912 hub controller is a 1-port USB2.0 smart hub controller, which
is fully compliant with the USB2.0 Specification. The 1-port hub supports 480 Mbps
High-Speed (HS), 12 Mbps Full-Speed (FS) and 1.5 Mbps Low-Speed (LS) USB
signaling.
USB4712: The USB4712 is a 1-port retimer hub with AutoFlexConnect technology.
This hub is design for use within automotive systems which require an attached smart
phone to assume the host role when docked to the automotive head unit system.
AutoFlexConnect technology allows this hub to actively seek for a host connection on
both the default upstream or default downstream port. If a host is detected on the
default downstream port, but no host is detected on the default upstream port, then the
hub will automatically reconfigure itself and initiate FlexConnect to allow the host
detected on the default downstream port to enumerate the hub and any devices
attached to the USB4712 default upstream port. This allows a functional role swap
between the head unit and the smart phone to occur with no direct role swap commands issued to the USB4712. This hub also supports BC1.2 battery charging on the
default downstream port.
USB4912: The USB4912 is a 1-port hub with Multi-Host Endpoint Reflector technology.
This hub is designed for use within automotive systems which require an attached
smartphone to assume the host role when docked to the automotive head unit system.
With Multi-Host Endpoint Reflector technology, both the automotive head unit and the
smartphone may operate as USB hosts at the same time while exchanging data. A
command issued from the automotive head unit directed to the USB4912’s internal Hub
Feature Controller device is all that is needed to initiate a Multi-Host Endpoint Reflector
session. This hub also supports BC1.2 battery charging on the downstream port. The
USB4912 also has a secondary ‘remote port’ which can be used to daisy chain additional USB4912 hubs.
The USB4712/USB4912 smart hubs both have an embedded MCU for enabling
advanced features. These features include, hub configuration through upstream USB
interface, USB-to-I
2
C Bridging, USB-to-SPI Bridging, USB-to-GPIO Bridging and more.
EVB-USB4X12
EVALUATION BOARD
USER’S GUIDE
1.2 ABOUT EVB-USB4X12
Figure 1-1 shows a rendering of the top side of EVB-USB4x12.
2019 Microchip Technology Inc. DS50002889A-page 9
EVB-USB4x12 Evaluation Board User’s Guide
FIGURE 1-1: EVB-USB4X12 TOP
Figure 1-2 shows a rendering of the bottom side of EVB-USB4x12.
FIGURE 1-2: EVB-USB4X12 BOTTOM
DS50002889A-page 10 2019 Microchip Technology Inc.
Overview
The EVB-USB4x12 is a 4-layer RoHS-compliant evaluation board that utilizes the
USB4712/USB4912 to provide a fully functional 1-port hub with battery charging capabilities. The EVB-USB4x12 also features the UCS2114 two channel USB port power
controller. The USB4712/USB4912 may optionally execute firmware from an external
SST26VF016B SPI Flash device included in the PCB. Many configurable options may
be controlled through the MPLAB Connect Configurator tool. The EVB-USB4x12
demonstrates driver compatibility with native Microsoft
Linux® hub drivers.
The EVB-USB4x12 provides the following features:
• USB4712 or USB4912 in a 40-pin QFN RoHS compliant package
• One UCS2114 in a 20-pin QFN RoHS compliant package
• SST26VF016B in a 8-pin SOIC RoHS compliant package
• USB 2.0 compliant (HS, FS, and LS operation); USB pins are 5V tolerant
• Self-powered (external 5V source) or Bus-powered (powered from USB VBUS)
operation
• One USB2.0 Type-A downstream port on EVB-USB4712. Two USB2.0 Type-A
downstream ports on EVB-USB4912
• Battery Charging support (BC1.2 CDP and DCP) on the downstream port (Port 1
of EVB-USB4912)
• Downstream ports support individual port power and over current sense
• MCP1825 on board +3.3V, 1 Amp regulator
• LED indicators for:
- 3.3V board power
- Downstream port VBUS
- Reset
- SPI chip activity
Figure 1-3 shows the block diagram of the EVB-USB4x12.
®
Windows®, Mac OS®, and
2019 Microchip Technology Inc. DS50002889A-page 11
EVB-USB4x12 Evaluation Board User’s Guide
USB4x12
Type-A
mini-B
Terminal Block
SPI
Flash
Type-A
Daisy Chain Port
(USB4912 Only)
UCS2114
MCP1825
3.3V
VBUS VBUS
VBUS
5VIN
USB2.0
USB2.0
USB2.0
FIGURE 1-3: BLOCK DIAGRAM OF EVB-USB4X12
1.3 REFERENCES
1.4 ACRONYMS AND DEFINITIONS
Concepts and materials available in the following documents may be helpful when
reading this document. Visit www.microchip.com for the latest documentation.
• USB4712 Data Sheet
• USB4912 Data Sheet
• AN2651 - Configuration of Microchip USB47xx/USB49xx
TABLE 1-1: ACRONYMS AND DEFINITIONS
Acronym Definition
BC1.2 specification which is capable of delivering up to
1.5A of charging at 5V along with USB data.
BC1.2 specification which is capable of delivering up to
1.5A of charging at 5V without USB data capabilities.
device should be attached to.
and sound data from a video capable device to a monitor
or display.
BC1.2 Latest USB-IF specified USB battery charging standard
CDP Charging Downstream Port. A type of port defined in the
DCP Dedicated Charging Port. A type of port defined in the
DFP Downstream Facing Port. On a hub, this is a port that a
DP DisplayPort. An interface used to connect transit display
EVB Evaluation Board
IC Integrated Circuit
DS50002889A-page 12 2019 Microchip Technology Inc.
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