EVB-USB3320 Datasheet
Contents
1. SIMSC SUCCESS BY DESIGN EVB USB3320 USB Transceiver Evaluation Board User Manual duh OI TI NAAA H Copyright 2010 SMSC or its subsidiaries All rights reserved Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications Consequently complete information sufficient for construction purposes is not necessarily given Although the information has been checked and is believed to be accurate no responsibility is assumed for inaccuracies SMSC reserves the right to make changes to specifications and product descriptions at any time without notice Contact your local SMSC sales office to obtain the latest specifications before placing your product order The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order the Terms of Sale Agreement The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications Anomaly sheets are available upon request SMSC products are not designed intended authorized or warranted for use in any life support or other applica2. sizing this resistor 2 10 Converting the EVB to a Host System Out of the box the EVB USB3320 is delivered as a USB Device System To convert it to be a USB Host development board the following modifications must be made 1 Install R13 zero ohm resistor This connects the VBUS 5V switch to the VBUS signal 2 Install C20 150uF capacitor This increases the value of Cypus to be USB 2 0 Host compliant 2 11 Converting the EVB to Support ULPI Clock Input Mode Out of the box the EVB USB3320 uses a crystal Y1 as the clock reference and is configured for ULPI Clock Output Mode where CLKOUT sources a 60MHz clock To convert the EVB to support ULPI Clock Input Mode the following changes must be made 1 Install R12 zero ohm resistor This shorts CLKOUT to VDD18 2 Install R3 zero ohm resistor This shorts REFCLK to the System Clock pin on the T amp MT connector 3 Confirm that R4 is not populated 4 Remove the following components to remove the crystal circuit Y1 R17 C23 Refer to the USB3320 datasheet for more information on ULPI Clock Input Mode 2 12 T amp MT Pin Description The T amp MT signal names pin number and function are described in Table 43 and Table 44 of the ULPI Specification rev 1 1 The EVB USB3320 fully implements a ULPI compliant interface to the T amp MT connector including support for ULPI Clock Input Mode This EVB supports a 1 8V ULPI I O voltage All signals are described in
3. D dXISIOINTAHA ROLIOUIY YHON SIONI LMN JINOSVNVd ROLIOUIY YHON SIONI LMN N T 615b 06v ON LIN CN I L70 66 NLOVA8APOTITOPVOD T6IHAIOTVI9AET CANAD T8VASCCHILAOIENAD CN I 60Z1 06 CN I L9 067 Jaquinyy 318 ANSIA ROLIOWIY YHON SUONI PIPINJA d 001050 dNVHO W WASSV LAOA CWS cOv0 DIAVYAHO AOS AdZZT AVI 080 d JIN YAH AOT ANOT dVO TOYO ASX ANT ANT WHO dVO TOYO ASX ACI ANT WHO dVO CWS AA LOATH Ant ANOST dvd TOYO ASX AOI ANT WHO dVO 080 ASX ADOT ANOT YHO dVO 9071 ALX ADS ANTT AHO dVO uss prose a waa we aoro e fo aw Iw oe assire oO ozr 92001 ana oo Ce IZO 919 ETO TIO o D 1 20 Laut z 819 LIO 07 ore aos ml LCTO or PA mat Figure 6 1 EVB USB3320 Bill of Materials Revision 1 0 02 09 10 SMSC EVB USB3320 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E gt SMSE 7 Revision History Table 7 1 Customer Revision History REVISION LEVEL amp DATE SECTION FIGURE ENTRY CORRECTION Rev 1 0 Replaced all references of CRB with EVB 02 09 10 throughout document Rev 1 0 Initial Release 05 01 09 Revision 1 0 02 09 10 SMSC EVB USB3320 10 USER MANUAL Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery 8 Lifecycle Information Microchip EVB USB3320
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6. SE 1 Introduction This user manual is for the USB3320 USB Transceiver Evaluation Board EVB for use with USB3320 products with the integrated USB switch The USB3320 features a ULPI interface to support systems with USB Host Device or On the Go OTG capability The integrated switch can be used to multiplex a Full Speed USB signal or audio signals over the HS USB DP DM pins SMSC supplies a complete family of transceiver products to meet the needs of many applications 2 Overview The EVB USB3320 is a Daughter Card designed to plug into a user s test system using a T amp MT connector The card attaches to a USB link layer to create a USB Host Device or On the Go OTG system The board edge connector meets the UTMI Low Pin Interface ULPI Standard requirements for the T amp MT connector A link to the ULPI Working Group Page is available at www smsc com or may be obtained from your local FAE The EVB USB3320 includes USB3320 packaged silicon and all external components required for the USB transceiver function This manual describes PCB assembly PCB 7163AZ 2 1 Supplying VBUS Voltage In Host or OTG operation the EVB USB3320 must provide 5 Volts on Vgus at the USB connector The EVB USB3320 includes a switch that can drive Veys using the 5 Volt supply that comes from pin 28 of the T amp MT connector The VBUS switch is controlled by the CPEN signal from the USB3320 The USB controller dictates the state of CPEN by programming
7. Table 2 3 Revision 1 0 02 09 10 SMSC EVB USB3320 4 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E gt Smsc Table 2 3 T amp MT Connector Pin Definitions PIN NAME DESCRIPTION DIRECTION DATA 7 0 ULPI Data Bus IN OUT Refer to Schematic for Connector Pin Assignment STP ULPI STP Signal INPUT TO EVB 70 ULPI DIR Signal OUTPUT FROM EVB 71 NXT ULPI NXT Signal OUTPUT FROM EVB CLKOUT ULPI Clock Signal OUTPUT FROM EVB VBUS_FAULT_N Driven low by the VBUS switch U2 in the event ofa OUTPUT switch fault condition SPKR_L In USB Audio mode SPKR_L is connected to the DP IN OUT pin via an analog switch in the USB3320 45 SPKR_RM In USB Audio mode SPKR RM is connected to the IN OUT DP pin via an analog switch in the USB3320 17 RESET Asserting RESET will place the USB3320 in a low INPUT power state Upon exiting this state RESET 0 all ULPI registers will contain power on reset values VBUS IN This pin is not connected NO CONNECT VBUS OUT 5V from the T amp MT connector INPUT TO EVB 3 3V from the T amp MT connector INPUT TO 16 57 EVB SYSTEM_CLOCK Optional clock input to EVB EVB is built with the NO CONNECT USB3320 REFCLK provided by a crystal See input to EVB if Section 2 11 for more information on configuring the R3 is installed EVB USB3320 for ULPI Clock Input mode 100 PSU_SHD_N This pin is driven low indicating that 3 3V must be OUTPUT sourced from the link through the T amp MT con
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9. ector is compliant to the ULPI specification Part numbers and manufacturers for this connector and it s mate are given in Table 2 1 Table 2 1 Edge Connector on the EVB USB3320 PART NUMBER DESCRIPTION MANUFACTURER 2 557101 5 100 pin edge connector on EVB USB3320 2 557 101 5 Mating connector to the EVB USB3320 1 1734037 0 Alternate 100 pin edge connector for EVB USB3320 TYCO 1 1734099 0 Alternate mating connector to the EVB USB3320 TYCO 2 5 REFCLK Frequency Selection The EVB USB3320 offers a user selectable reference clock frequency R25 R30 are used to configure the REFCLK 2 0 signals which will select the reference clock frequency desired on the EVB USB3320 Ensure that the frequency of the reference clock or reference crystal being used matches the desired operation frequency configured based on Table 2 2 below By default the EVB USB3320 is configured for 26MHz REFCLK operation Table 2 2 Reference Frequency Selection Resistor Configurations INSTALL EMPTY INSTALL EMPTY EMPTY INSTALL 26 0 MHz Default E EM E Ea EM EA 12 0 MHz EMPTY INSTALL EMPTY INSTALL EMPTY INSTALL 52 0 MHz 2 6 USB Connector A standard Mini AB connector is provided to attach a USB cable or connector Provision is made on the PCB to accept a Micro AB connector See the bill of materials in Section 6 for connector part numbers Do not substitute a different part number for the Mini AB receptacle or a short circuit of the USB sig
10. nals may result at the micro AB connector PCB footprint 2 7 VBUS Present Detection The USB controller must detect VBUS when a USB cable is attached in device mode or when the USB controller turns on VBUS in host or OTG mode The USB connector VBUS signal is connected to the VBUS pin of the USB3320 The USB3320 includes all of the comparators required to detect VBUS and report the state of VBUS to the USB controller via the ULPI bus SMSC EVB USB3320 3 Revision 1 0 02 09 10 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E gt SMSE 2 8 ULPI Signal Test Points Probe points at location J2 provide access to all ULPI signals Install the Tektronix logic analyzer probe retention kit at J2 to probe these signals Ordering information for the retention kit is provided in the bill of materials 2 9 Converting the EVB to an OTG System Out of the box the EVB USB3320 is delivered as a USB Device system To convert it to be a USB OTG development board the following modifications must be made 1 Install R13 zero ohm resistor This connects the VBUS 5V switch to the VBUS signal 2 Remove R23 This is the Rypus value required for a USB Device 3 Install R10 1 0K 1W resistor This is the Rypus value required for a USB OTG Device Since the USB3320 is designed to accommodate up to 30V on VBUS R10 is rated at 1W to accommodate this entire voltage range Refer to the USB3320 datasheet for more information on
11. nector FROM EVB pins 8 16 57 69 and 5 0V must be sourced from the link through the T amp MT connector pin 28 49 DC_PSNT_N This pin is driven low indicating a daughter card is OUTPUT present FROM EVB SMSC EVB USB3320 5 Revision 1 0 02 09 10 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E gt SMSE 3 Getting Started The block diagram in Figure 3 1 gives a simplified view of the EVB USB3320 EVB The EVB USB3320 is ready for device operation To modify the board for OTG or Host applications refer to Section 2 9 or Section 2 10 respectively It is required to provide 5V to T amp MT connector pin 28 and 3 3V on T amp MT pins 8 16 57 69 to power the EVB USB3320 The EVB USB3320 is built with a USB Mini AB receptacle Do not substitute a Mini AB receptacle different from the one specified in the bill of materials or a short circuit may occur on the USB signals at the Micro AB connector PCB footprint y ONA FAULTAn SE ES EXT_VBUS_DET VARIABLE VDDIO REG O CPEN VDDIO 4 DM DP ID USB3320 J1 me B Dt 100 pin T i PCB can accept Micro AB T amp MT l Or Mini AB receptacle ULPI Signals ULPI Bus REFSEL 2 0 EA KO VDD1p8 USER 1 8V GE LDO Figure 3 1 Block Diagram of EVB USB3320 When the EVB USB3320 is powered on check the following things to be certain the board is functioning normally RESET should be de asser
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13. ted logic low at the T amp MT connector and RESETB at the USB3320 should be logic high VDD18 If RESETB 0 the USB3320 will be in a low power state a The voltage at R2 RBIAS should be 0 8V DC If this voltage is not present the USB3320 is in a low power state a There should be a digital 60 MHz square wave signal at T amp MT connector pin 90 The amplitude should be approximately VDDIO This is the CLKOUT signal of the USB3320 Revision 1 0 02 09 10 SMSC EVB USB3320 6 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual er S a The voltage at C3 should be approximately 3 3V This is the USB3320 internal 3 3V voltage regulator output a The voltage at C7 should be 1 8V This is the 1 8V regulator output 4 Protecting VBUS from Non Compliant VBUS Voltages The USB3320 is fully tolerant to VBUS voltages up to 30V An external resistor on the VBUS line Rypus is required for the integrated overvoltage protection circuit in the USB3320 Rypys is either R10 or R23 on the EVB USB3320 For peripheral and host applications Rypus is 10K install R23 remove R10 For OTG applications Rypus is 1K install R10 remove R23 SMSC EVB USB3320 Revision 1 0 02 09 10 7 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E gt SMSE 5 EVB USB3320 Schematic uqey Aepsen 00V ZVE9LZ HOS quinn jueunsog henjeaj 91 80d uonesijisads o zeen eut ui Adwo 03 SNAGA uo p n
14. the ULPI register in the USB3320 The 5 Volt switch is backdrive protected when in the off state The switch does not provide protection from reverse currents when it is on See Section 2 9 and Section 2 10 for more information on configuring the EVB USB3320 for OTG and Host operation 2 2 1 8 Volt Power Supply The EVB USB3320 EVB has a Low Drop Out LDO Regulator that drives the USB3320 VDD18 pins This LDO requires a nominal 3 3 Volt supply capable of providing 80mA of current to be present at the T amp MT connector pins 8 16 57 or 69 2 3 ULPI I O Voltage The USB3320 supports variable ULPI I O voltage signaling The ULPI I O voltage is supplied in one of two ways By default the EVB is shipped with VDDIO supplied by the on board LDO Resistor R18 is used to set VDDIO the digital logic high voltage To change the value of VDDIO calculate a new value for R18 ohms as follows R18 VDDIO 1 225 1 x 169000 VDDIO must be in the range of 1 8 Volts 3 3 Volts nominal VDDIO can also be supplied to the USB3320 from the T amp MT connector instead of using the LDO To do this the LDO U10 must be removed The VDDIO voltage level that has been configured on the EVB USB3320 must be the same as the ULPI I O voltage level that the link is using Revision 1 0 02 09 10 SMSC EVB USB3320 2 USER MANUAL EVB USB3320 USB Transceiver Evaluation Board User Manual E smsc 24 Edge Connector for Digital UO The T amp MT edge conn
15. tion where product failure could cause or contribute to personal injury or severe property damage Any and all such uses without prior written approval of an Officer of SMSC and further testing and or modification will be fully at the risk of the customer Copies of this document or other SMSC literature as well as the Terms of Sale Agreement may be obtained by visiting SMSC s website at http www smsc com SMSC is a registered trademark of Standard Microsystems Corporation SMSC Product names and company names are the trademarks of their respective holders SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND AGAINST INFRINGEMENT AND THE LIKE AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CONSEQUENTIAL DAMAGES OR FOR LOST DATA PROFITS SAVINGS OR REVENUES OF ANY KIND REGARDLESS OF THE FORM OF ACTION WHETHER BASED ON CONTRACT TORT NEGLIGENCE OF SMSC OR OTHERS STRICT LIABILITY BREACH OF WARRANTY OR OTHERWISE WHETHER OR NOT ANY REMEDY OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES SMSC EVB USB3320 USER MANUAL Revision 1 0 02 09 10 EVB USB3320 USB Transceiver Evaluation Board User Manual E gt SM
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