USB2640/USB2641 Ultra Fast USB 2.0 Multi-Format Flash
Contents
1. A 21607 yg Bulnoy uonoesuel i eas eas ASL Bay A 8 11 bias asind 1 35 9 ZHW pZ gsn 1 Figure 1 USB2640 Block Diagram 6 SMSC USB2640 USB2641 PRODUCT PREVIEW Revision 2 1 06 29 09 smsc Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo 0LOldd suid 2 0149 1 suid 145 9 205 speg yseld 90ud Ma9 OLNV snad vivax sng 0184 55390 LS08 youms jesueg 20 S N 5 90 asn A AA YMS su 30 CH HOd A gn A A A asuag 30 A 91607 R2. Revision 2 1 06 29 09 PRODUCT PREVIEW Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo SMSE ORDER NUMBER S USB2640 USB2641 HZH XX for 48 PIN QFN LEAD FREE ROHS COMPLIANT PACKAGE in the order number indicates the internal ROM firmware revision level Please contact your SMSC representative for more information SMSE 80 ARKAY DRIVE HAUPPAUGE NY 11788 631 435 6000 FAX 631 273 3123 Copyright 2009 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 ord
3. SUCCESS BY DESIGN USB2640 USB2641 Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo PRODUCT FEATURES Data Brief General Description The SMSC USB2640 USB2641 is a USB 2 0 compliant Hi Speed hub for USB port expansion with an attached mass storage class peripheral controller The controller allows read write capability to popular flash media from the following families Secure Digital SD MultiMediaCard MMC xD Picture Card xD Memory Stick MS The USB2640 USB2641 is a fully integrated single chip solution providing USB expansion and integrated flash card media reader writer capability of ultra high performance operation Average sustained transfer rates exceeding 35 MB s possible Highlights Hub controller with internally connected ultra fast flash media reader writer and 2 exposed downstream ports for external peripheral expansion Flash media reader writer employs multiplexed card interfaces which are optimized for use with single card insertion combo sockets Hardware controlled data flow architecture for all self mapped media Optional support for external firmware access via SPI interface PortMap Flexible port mapping and port disable sequencing supports multiple platform designs PortSwap Programmable USB differential pair pin locations eases PCB design by aligning USB signal traces directly to connectors PHYBoost Programmable
4. The USB2640 USB2641 includes programmable features such as PortMap which provides flexible port mapping and disable sequences The downstream ports of a USB2640 USB2641 hub can be reordered or disabled in any sequence to support multiple platform designs with minimum effort For any port that is disabled the USB2640 USB2641 automatically reorders the remaining ports to match the USB host controller s port numbering scheme PortSwap which adds per port programmability to USB differential pair pin locations PortSwap allows direct alignment of USB signals D D to connectors avoiding uneven trace length or crossing of the USB differential signals on the PCB PHYBoost which enables four programmable levels of USB signal drive strength in downstream port transceivers PHYBoost attempts to restore USB signal integrity that has been compromised by system level variables such as poor PCB layout long cables etc SMSC USB2640 USB2641 Revision 2 1 06 29 09 3 PRODUCT PREVIEW smsc Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo Device Features Hardware Features Single chip flash media controller Transaction translator TT in the hub supports operation of FS and LS peripherals Full power management with individual or ganged power control of each downstream port Optional support for external firmware access via SPI interface 30 MHz or 60 MHz operation support Single bit or dual bit mode support Mo
5. a gt Joyejsuely uonoesuel ienas bal sayeaday penas B y A 8 1 AHd ASL asind Jamog sng sU eea zHN z gsn weajsdp Figure 2 USB2641 Block Diagram Revision 2 1 06 29 09 SMSC USB2640 USB2641 PRODUCT PREVIEW Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo smsc Package Outline D2 48 48 TERMINAL 1 x IDENTIFIER TUUUU YUU DIY AREA 1 g 2 gt 92 3 gt 9 E1 E 2 4 amp amp gt PD i d d 7 d 48X ns L 4x 45 6 OPTIONAL 48x b 2 4 4 TERMINAL 1 IDENTIFIER AREA A EXPOSED PAD A TOP VIEW BOTTOM VIEW SIDE VIEW 3 D VIEWS GD 02 0 70 1 00 OVERALL PACKAGE HEIGHT FULL RADIUS IS OPTIONAL Al 0 002 005 STANDOFF 2 0 90 MOLD THICKNESS ae DIE 6 85 7 00 7 15 XY
6. environments using 4 levels of signal drive strength Indicate the maximum current that the 2 port hub consumes from the USB upstream port Indicate the maximum current required for the hub controller Flash Media Controller SMSC USB2640 USB2641 Customize vendor ID product ID and device ID 12 hex digit max serial number string Customizable vendor specific data by optional use of external serial EEPROM 28 character manufacturer ID and product string for flash media reader writer LED blink interval or duration Revision 2 1 06 29 09 5 PRODUCT PREVIEW Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo smsc lagrams Block D suid 9 0LOldd suid 2 0189 I suid 185 jay90S yseld 119 215 sna vivax sng 0195 50199 145 9 2 55 4 gt 608 95495 30 HQ GSN yms su 30 Z Od 5 20 YMS ezed asn A yms 30
7. BODY SIZE D1 E1 6 55 6 95 X Y MOLD CAP SIZE f D2 E2 4 00 4 10 4 20 2 X Y EXPOSED PAD SIZE L 0 30 0 50 TERMINAL LENGTH D2 E2 410 X 028 0 18 0 25 0 30 2 TERMINAL WIDTH THE USER MAY MODIFY THE PCB LAND Y 0 69 0 50 BSC TERMINAL PITCH PATTERN DIMENSIONS BASED ON THEIR e 0 50 EXPERIENCE AND OR PROCESS CAPABILITY NOTES 1 ALL DIMENSIONS ARE IN MILLIMETER 2 POSITION TOLERANCE OF EACH TERMINAL AND EXPOSED PAD 15 0 05mm AT MAXIMUM MATERIAL CONDITION DIMENSIONS b APPLIES TO PLATED TERMINALS AND IT IS MEASURED BETWEEN 0 15 AND 0 30 mm FROM THE TERMINAL TIP 3 DETAILS OF TERMINAL 1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE AREA INDICATED RECOMMENDED PCB LAND PATTERN Figure 3 48 Pin QFN Package Revision 2 1 06 29 09 SMSC USB2640 USB2641 8 PRODUCT PREVIEW
8. ICT 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 Revision 2 1 06 29 09 SMSC USB2640 USB2641 2 PRODUCT PREVIEW Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo smsc Overview The SMSC USB2640 USB2641 is an integrated USB 2 0 compliant Hi Speed hub for USB port expansion with an attached bulk only mass storage class peripheral controller This multi format flash media controller and USB Hub Combo features three downstream ports one port is dedicated to an internally connected ultra fast flash media reader writer and two exposed downstream ports are available for external peripheral expansion The SMSC USB2640 USB2641 is an ultra fast OEM configurable hub controller IC with three downstream ports for embedded USB solutions The USB2640 USB2641 will attach to an upstream port as a Full Speed Hub or as a Full Hi Speed Hub The hub supports Low Speed Full Speed and Hi Speed if operating as a Hi Speed Hub downstream devices on all of the enabled downstream ports All required resistors on the USB ports are integrated into the hub This includes all series termination resistors on D and D pins and all required pull down and pull up resistors on D and D pins The over current sense inputs for the downstream facing ports have internal pull up resistors
9. USB transceiver drive strength recovers signal integrity 1 Support and capabilities for xD Picture Card are not applicable for the USB2641 Please obtain a user li cense from the xD Picture Card License Office to sup port this flash media format 2 Host and media dependent SMSC USB2640 USB2641 Features Compliant with the following flash media card specifications SD 2 0 MMC 4 2 MS 1 43 MS Pro 1 02 MS PRO HG 1 01 MS Duo 1 10 xD 1 2 Supports a single external 3 3 V supply source internal regulators provide 1 8 V internal core voltage for additional bill of materials and power savings The transaction translator TT in the hub supports operation of Full Speed and Low Speed peripherals 9K 64 K on chip ROM Enhanced EMI rejection and ESD protection performance On board 24 MHz crystal driver circuit Optional external 24 MHz clock input Up to 9 GPIOs for special functions 8051 8 bit microprocessor Hub and flash media reader writer configuration from a single source External 2 ROM or external SPI ROM Configures internal code using an external 2 Supports external code using a SPI Flash EEPROM Customizable vendor ID product ID language ID EEPROM update via USB 48 pin QFN lead free ROHS compliant package 7x7 mm Applications Desktop and mobile PCs Personal mobile devices Printers GPS navigation systems Media Players Viewers Consumer A V Set top boxes
10. de 0 or mode 3 SPI support Compliant with the following flash media card specifications Secure Digital 2 0 MultiMediaCard 4 2 SD 2 0 HS SD HC SD TransFlash and reduced form factor media 1 4 8 bit MMC 4 2 SDIO and MMC streaming mode support Memory Stick 1 43 Memory Stick Pro Format 1 02 Memory Stick Pro HG Duo Format 1 01 Memory Stick MS Duo HS MS MS Pro HG MS Pro Memory Stick Duo 1 10 xD Picture Card 1 2 USB2640 only On board 24 MHz crystal driver circuit Optional external 24 MHz clock input Must be used with an external resistor divider to provide a 1 8 V signal Up to 9 GPIOs Configuration and polarity for special function use such as LED indicators button inputs and power control to memory devices The number of actual GPIOs depends the implementation configuration used One GPIO available with up to 200 mA drive and protected fold back short circuit current 8051 8 bit microprocessor 60 MHz single cycle execution 64 KB ROM 9 KB RAM Internal regulator for 1 8 V core operation Optimized pinout improves signal flow easing implementation and allowing for improved signal integrity treatment Software Features Revision 2 1 06 29 09 Optimized for low latency interrupt handling Hub and flash media reader writer configuration from a single source External 2 ROM or external SPI ROM EEPROM update via USB Please see the USB2640 USB2641 Software Release Notes for additi
11. er 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 application 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 STR
12. onal software features 4 SMSC USB2640 USB2641 PRODUCT PREVIEW Ultra Fast USB 2 0 Multi Format Flash Media Controller USB Hub Combo smsc OEM Selectable Features Hub A default configuration is available in USB2640 USB2641 following a reset The USB2640 USB2641 may also be configured by an external 12 EEPROM or via external SPI ROM flash The USB2640 USB2641 supports several OEM selectable features Compound Device support port is permanently hardwired to a downstream USB peripheral device on a port by port basis Select over current sensing and port power control on an individual port by port or ganged all ports together basis to match the OEM s choice of circuit board component selection Port power control and over current detection delay features Configure the delay time for filtering the over current sense inputs Configure the delay time for turning on downstream port power Bus or self powered selection Hub port disable or non removable configurations Flexible port mapping and disable sequence Ports can be disabled reordered in any sequence to support multiple platforms with a single design The hub will automatically reorder the remaining ports to match the host controller s numbering scheme Programmable USB differential pair pin location Eases PCB layout by aligning USB signal lines directly to connectors Programmable USB signal drive strength Recover USB signal integrity due to compromised system
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