topic Re: Urgent: Flash program corruption Problem occur with the fluctuation of the 220Vac in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/Urgent-Flash-program-corruption-Problem-occur-with-the/m-p/175008#M12126 <HTML><HEAD></HEAD><BODY>Hello and welcome to the fora, shaheen.<BR /><BR />Refer to the questions in this <A href="http://forums.freescale.com/freescale/board/message?board.id=8BITCOMM&amp;message.id=11485" target="_blank">current thread</A>.<BR /><BR /><DIV></DIV></BODY></HTML> Wed, 23 Jul 2008 06:07:52 GMT peg 2008-07-23T06:07:52Z Urgent: Flash program corruption Problem occur with the fluctuation of the 220Vac - MC68HC908LJ12, https://community.nxp.com/t5/8-bit-Microcontrollers/Urgent-Flash-program-corruption-Problem-occur-with-the/m-p/175007#M12125 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV>Hi Everyone,</DIV><DIV>&nbsp;</DIV><DIV>we are suffering lately from a great problem&nbsp;with our latest product, the core of the product is uC MC68HC908LJ12, &nbsp;the program on the flash corrupt easily with the fluctuation of the&nbsp;220Vac supply, the device first use a conventional analoge power supply with regulators 7805 , we then changed the power supply to be SMPS that use an input&nbsp;ac voltage&nbsp;wide&nbsp;range from 85Vac to 265Vac&nbsp; and deliver&nbsp;out constant stable&nbsp;12 Vdc regulated to 5Vdc to drive the&nbsp;uC&nbsp;, but still the sme problem occured. any one can give any suggestion how to solve the problem?</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>Added p/n to subject.</DIV><BR /><BR /><SPAN>Message Edited by NLFSJ on </SPAN><SPAN class="date_text">2008-07-23</SPAN><SPAN> </SPAN><SPAN class="time_text">12:33 PM</SPAN></BODY></HTML> Tue, 22 Jul 2008 20:34:53 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgent-Flash-program-corruption-Problem-occur-with-the/m-p/175007#M12125 shaheen 2008-07-22T20:34:53Z Re: Urgent: Flash program corruption Problem occur with the fluctuation of the 220Vac https://community.nxp.com/t5/8-bit-Microcontrollers/Urgent-Flash-program-corruption-Problem-occur-with-the/m-p/175008#M12126 <HTML><HEAD></HEAD><BODY>Hello and welcome to the fora, shaheen.<BR /><BR />Refer to the questions in this <A href="http://forums.freescale.com/freescale/board/message?board.id=8BITCOMM&amp;message.id=11485" target="_blank">current thread</A>.<BR /><BR /><DIV></DIV></BODY></HTML> Wed, 23 Jul 2008 06:07:52 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgent-Flash-program-corruption-Problem-occur-with-the/m-p/175008#M12126 peg 2008-07-23T06:07:52Z