? 2007 microchip technology inc. ds80190g-page 1 pic12f508/509 the pic12f508/509 parts you have received conform functionally to the device data sheet (ds41236 c ), except for the anomalies described below. all problems listed here will be addressed in future revisions of the pic12f508/509 silicon . where noted, problems apply to listed revision only. 1. module: mplab ? ide, revision 6.61 and earlier mplab ide 6.61 does not look for or set the configuration word in the hex file at the conven- tional logical location of 0xfff. 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 0xyyyy data _cp_off & _wdt_on & etc. __config _cp_off & _wdt_on & etc. re-locatable code . config code 0xyyyy data data _cp_off & _wdt_on & etc. __config data _cp_off & _wdt_on & etc. configuration word address 2. module: pic12f509 debugging with icd2 (pic16f505-icd silicon) ? invalid fsr power-up initialization the fsr on the pic16f505-icd debugger silicon initializes to an invalid state. when using the icd to debug software with the pic16f505-icd, bit 5 in the fsr register must be manually cleared to ? 0 ? prior to saving data in user ram space. the power-up default is ? 1 ?, which causes the device to access bank 1. the power-up defaults are correct on the non-icd version of the pic12f509 devices. work around : add the following line of code to the top of your program; bcf fsr,5 ;set bank pointers to bank 0 this will have no effect on non-icd devices, but will correct for the initialization errata on -icd devices. 3. module: i pd , power-down base current on the pic12f508/509 silicon, revisions earlier than a3, the power-down base current may remain higher than the specification for a short time when entering sleep. the following graph illustrates the device current upon entering sleep: figure 1: the length of time between the device entering sleep mode and the device current reaching i pd increases as both temperature and voltage decrease. work around this issue is fixed in revisions a3 and later. device yyyy pic12f508 03ff pic12f509 07ff note: yyyy is the address of the configuration word for the part. i pd device enters sleep device current reaches i pd i dd time pic12f508/509 rev. a silico n/data sheet errata
pic12f508/509 ds80190g-page 2 ? 2007 microchip technology inc. clarifications/corrections to the data sheet: in the device data sheet (ds41236 c ), the following clarifications and corrections should be noted. none. revision history rev a document (05/2004) first revision of this document. rev b document (9/2004) added module 2:, mplab ide and the _config assembly directive. rev c document (2/2006) added module 1: ?electrical characteristics? to the clarifications/corrections to the data sheet rev d document (5/2006) added module 3: ? pic12f509 debugging with icd2 (pic16f505-icd silicon) - invalid fsr power-up initialization ? to the silicon errata. updated min/max values in table 10-4. rev e document (1/2007) removed module 1: oscillators and renumbered accordingly. rev f document (04/2007) data sheet clarifications/corrections section: removed module 1 per data sheet update. rev g d ocument (0 7/ 2007 ) added module 3: i pd power-down base current.
? 2007 microchip technology inc. ds80190g-page 3 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, k ee l oq , k ee l oq logo, micro id , 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 tec hnology incorporated in the u.s.a. analog-for-the-digital age, appl ication 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 tr ademarks 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. note the following details of the code protection feature on microchip devices: ? microchip products meet the specification cont ained 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 i n 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 produc ts in a manner outside the operating specif ications 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 semiconduc tor 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 co mmitted to continuously improvin g 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. 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, k ee l oq ? 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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