SCH3221 SCH3221 Silicon Errata and Data Sheet Clarification TABLE 1: SILICON DEV/REV VALUES Device ID(1) Part Number Revision ID for Silicon Revision(2) A SCH3221 Note 1: 2: 5Bh 00h The Device ID is visible as an 8-bit number at Plug and Play Configuration Index 20h. The HW Revision Number is visible as an 8-bit number at Plug and Play Configuration Index 21h. TABLE 2: SILICON ISSUE SUMMARY Module Feature Item Number Issue Summary Affected Revisions(1) A Runtime Registers Note 1: PME 1. GP50 Generates PME on Negative Edge Only X Only those issues indicated in the last column apply to the current silicon revision. Silicon Errata Issues 1. Module: Runtime Registers DESCRIPTION Only a high-to-low signal on the GP50 pin will set the associated PME status bit and generate a PME event (if enabled). This operates the same way regardless of how the polarity bit is set (i.e., non-inverted or inverted). END USER IMPLICATIONS Cannot use GP50 to generate a PME event on a transition from low-to-high. Work Around None. 2016 Microchip Technology Inc. DS80000695A-page 1 SCH3221 Data Sheet Clarifications The following typographic corrections and clarifications apply only to the SCH3221 Data Sheet, which is currently Document #00002120A. Other members of the SCH322x family have separate data sheets, and separate errata sheets. Note: Where appropriate, corrections are shown in bold. Where possible, the original bold text formatting has been removed for clarity. TABLE 3: DATA SHEET CLARIFICATION SUMMARY Module Item Number Issue Summary Runtime Registers 1. GP30 Has Two PME Status Bits Timing Diagrams 2. Minimum LPC Clock Frequency 1. Module: Runtime Registers GP30 has two sets of PME status and enable bits associated with it. 1. Bit[0] of the PME_STS3 register at offset 04h is only set on a low-to-high transition of the GP30 pin. If the corresponding enable bit, located in the PME_EN3 register at offset 07h, is set then the IO_PME# signal will be asserted. 2. Bit[0] of the PME_STS4 register at offset 1Ah is only set on a high-to-low transition of the GP30 pin. If the corresponding enable bit, located in the PME_EN4 register at offset1Bh, is set then the IO_PME# signal will be asserted. 2. Module: Timing Diagrams The maximum period for the PCI Clock is 55.5nS. This permits an LPC clock of 18MHz. DS80000695A-page 2 2016 Microchip Technology Inc. SCH3221 APPENDIX A: DOCUMENT REVISION HISTORY Revision Level and Date DS80000695A (04-11-16) Description Initial Draft Version 2016 Microchip Technology Inc. DS80000695A-page 3 SCH3221 THE MICROCHIP WEB SITE Microchip provides online support via our WWW 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 (FAQ), 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 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. Under “Support”, click on “Customer Change Notification” and follow the registration instructions. CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • • • • Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support 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 DS80000695A-page 4 2016 Microchip Technology Inc. SCH3221 Note the following details of the code protection feature on Microchip devices: • 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 REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated. Trademarks The Microchip name and logo, the Microchip logo, AnyRate, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq, KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O 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. Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker, Serial Quad I/O, 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 trademarks 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. © 2016, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 9781522404750 QUALITYMANAGEMENTSYSTEM CERTIFIEDBYDNV == ISO/TS16949== 2016 Microchip Technology Inc. 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® MCUs and dsPIC® DSCs, KEELOQ® code hopping 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. 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