PIC16F505 PIC16F505 Rev. A Silicon/Data Sheet Errata The PIC16F505 parts you have received conform functionally to the Device Data Sheet (DS41236D), except for the anomalies described below. 2. Module: Invalid FSR Power-up Initialization on PIC16F505 ICD Devices Microchip intends to address all issues listed here in future revisions of the PIC16F505 silicon or development tools software. Where noted, issues apply to listed revision only. When using the ICD to debug software with the PIC16F505, bits 5 and 6 in the FSR register must be cleared to ‘0’. The power-up defaults are 1’s which causes the device to attempt to access bank 3. This bank is not available on the PIC16F505 devices so the results are invalid. 1. Module: MPLAB® IDE, Revision 6.61 and Earlier The power-up defaults are correct on the non-ICD version of the PIC16F505. MPLAB IDE 6.61 does not look for or set the Configuration Word in the hex file at the conventional logical location of 0xFFF. Work around: Add the following two lines of code early in your initialization. Work around: The CONFIG data must be assigned in two locations within the assembly code to ensure proper Configuration Word placement in the hex file. This is only required for MPLAB IDE version 6.61 and earlier. Fixed Code org 0x07FF data _CP_OFF & _WDT_ON & etc. __CONFIG _CP_OFF & _WDT_ON & etc. code 0x07FF data data _CP_OFF & _WDT_ON & etc. __CONFIG data _CP_OFF & _WDT_ON & etc. FSR,5 BCF FSR,6 This will have no affect on a non-ICD device, but will correct the initialization errata on ICD devices. 3. Module: IPD, Power-Down Base current On the PIC16F505 silicon, revisions earlier than A3, the power-down base current may remain higher than the specification for a short time when entering Sleep. Re-locatable Code .config BCF Figure 1 illustrates the device current upon entering Sleep. FIGURE 1: DEVICE CURRENT WHEN ENTERING SLEEP IDD IPD Time Device enters Sleep Device current reaches IPD The length of time between the device entering Sleep mode and the device current reaching IPD increases as both temperature and voltage decrease. Work around This issue is fixed in Revisions A3 and later. © 2007 Microchip Technology Inc. DS80211D-page 1 PIC16F505 Clarifications/Corrections to the Data Sheet: APPENDIX A: In the Device Data Sheet (DS41236D), the following clarifications and corrections should be noted. First revision of this document. N/A. REVISION HISTORY Rev A Document (9/2004) Rev B Document (2/2006) Added Module 1: “Electrical Characteristics” to the Clarifications/Corrections to the Data Sheet. Rev C Document (5/2006) Added Module 2: Invalid FSR Power-up Initialization on PIC16F505 ICD Devices. Rev D Document (12/2007) Added Module 3: IPD Power-Down Base current. DS80211D-page 2 © 2007 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, KEELOQ logo, microID, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, rfPIC and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, Linear Active Thermistor, Migratable Memory, MXDEV, MXLAB, 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, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, 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. © 2007, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 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. © 2007 Microchip Technology Inc. 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