MCP215X MCP215X Rev. C Silicon/Data Sheet Errata The MCP215X Rev. C parts you have received conform functionally to the MCP2150 and MCP2155 Device Data Sheets (DS21655B and DS21690A), except for the anomaly described below. 1. Module: IR Protocol Handler During the discovery phase of IR communications, the devices negotiate the baud rate for future communications. The Primary Device specifies its rates and the Secondary Device responds. Clarifications/Corrections to the Data Sheet: In the MCP2150 and MCP2155 Device Data Sheets (DS21655B and DS21690A), the following clarifications and corrections should be noted. 1. The MCP215X device responds to the baud rate query with all supported baud rates, and not an "AND" of the baud rates supplied by the Primary Device. Note: The Palm(R) Z22 will ignore the baud rate setting specified by the PDA application program and will operate at the fastest baud rate reported by the Secondary Device. Note: 2. The MCP215X does switch to the maximum baud rate requested by the Primary Device. Note: If the Palm Z22 baud rate query value has a maximum baud rate that is slower than the response from the MCP215X, then these two devices will switch to different baud rates and will not communicate. After this invalid communication occurs, both devices will disconnect. The Palm Z22 IR pulse width at 115,200 baud appears to be wider than the IrDA(R) Specification. This causes the MCP215X not to maintain the link at 115,200 baud. Work around None Note: The MCP2140 will communicate with the Palm Z22 device at 9600 baud. (c) 2006 Microchip Technology Inc. Newer versions of the Symbian OS may not have this characteristic. The MCP2150 emulates the state of all the nondata circuits (CTS, RTS, DTR, DSR, CD, and RI). These signals on the MCP2150 are used to interface with the embedded systems host controller. The values in the IrDA standard packet response would not reflect the value on the corresponding MCP2150 pin. The MCP2155 emulates the state of the CTS, RTS and DSR non-data circuits. These signals on the MCP2155 are used to interface with the embedded systems Host Controller. The DTR, CD and RI signal values are communicated with the IrDA standard Primary device in an IrCOMM packet. The MCP2155 will only send this information when the state of one of these signals change. The MCP2155 devices will ignore any request for the status of the non-data circuits from the IrDA standard Primary device. Under "normal" operating conditions, this should not be an issue, since both devices will specify to operate at their fastest baud rate setting. Note: An IrDA standard operating system (Symbian OSTM for cell phones) has been reported that only sends out XID commands with a Timeslot of 0. Since the MCP215X devices respond to Timeslot 2, they are not able to establish a link to an OS that is compliant with the IrDA standard. The MCP2140 can be used in these systems, since it responds to the XIP command with Timeslot 0. 3. When any state machine is operated outside of its' specified operating conditions, undesired operations may occur. When the MCP215X is in a brown-out state, an external voltage supervisory circuit should hold the MCP215X in reset. Failure to do this may cause the MCP215X operation to corrupt the programmable device ID. If the device ID becomes invalid, the Primary Device may be unable to establish a link to the MCP215X system. For the MCP215X system to communicate with the Primary Device, the MCP215X's device ID needs to be programmed to a valid device ID. DS80263A-page 1 MCP215X APPENDIX A: REVISION HISTORY Package Marking Information Revision A (February 2006) 18-Lead PDIP * Initial release of this document. APPENDIX B: MCP215X-I/P XXXXXXXXXXXXXXXXX XXXXXYYWWNNN SILICON REVISION HISTORY The following table and package marking information indicates how to determine the revision of the MCP215X device. The revision information can be determined by the Year and Week Code of the manufacture printed on the device. TABLE B-1: 18-Lead SOIC MCP215X-I/SO XXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXX XXXXXYYWWNNN SILICON REVISION/DEVICE MARKING YYWWNNN Silicon Comments Revision Start Date End Date Rev C 0419NNN -- In Production 20-Lead SSOP Legend: "N" is any alphanumeric character. MCP215XI/SS XXXXXXXXXXX XXXYYWWNNN Legend: XX...X Customer specific information* YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week `01') NNN Alphanumeric traceability code Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line thus limiting the number of available characters for customer specific information. * Standard marking consists of Microchip part number, year code, week code, and traceability code. DS80263A-page 2 (c) 2006 Microchip Technology Inc. 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. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, PowerSmart, rfPIC, and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, Migratable Memory, MXDEV, MXLAB, PICMASTER, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, dsPICDEM, dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, Linear Active Thermistor, MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, Real ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock 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. All other trademarks mentioned herein are property of their respective companies. (c) 2006, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003. The Company's quality system processes and procedures are for its PICmicro(R) 8-bit MCUs, KEELOQ(R) 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. (c) 2006 Microchip Technology Inc. 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