topic Re: help !!!I can't unsecure the 9S12GN32 in CodeWarrior Development Tools https://community.nxp.com/t5/CodeWarrior-Development-Tools/help-I-can-t-unsecure-the-9S12GN32/m-p/968594#M7892 <HTML><HEAD></HEAD><BODY><P>Hi Liu,</P><P>I am not sure whether it is a reason for your issue, but the default&nbsp;P&amp;E_Multilink_USB_Erase_unsecure_hcs12p.cmd file contains reset command prior unsecure.<BR />After reset, the bus clock (source for flash clock) is 6.25MHz. Therefore, you should set FCLKDIV to 5, instead of 16.</P><P></P><P>Please try correct FCLKDIV value.</P><P>If that will not work, please try Unsecure12 tool directly from PEmicro (when you use PEmicro or OSBDM debugger).</P><P><A class="link-titled" href="http://www.pemicro.com/downloads/download_file.cfm?download_id=16" title="http://www.pemicro.com/downloads/download_file.cfm?download_id=16">http://www.pemicro.com/downloads/download_file.cfm?download_id=16</A>&nbsp;</P><P>Sometimes, this could help.</P><P></P><P>I hope it helps you.</P><P></P><P>Have a great day,<BR />Radek</P><P></P><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P></P><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Wed, 28 Aug 2019 13:20:31 GMT RadekS 2019-08-28T13:20:31Z help !!!I can't unsecure the 9S12GN32 https://community.nxp.com/t5/CodeWarrior-Development-Tools/help-I-can-t-unsecure-the-9S12GN32/m-p/968593#M7891 <HTML><HEAD></HEAD><BODY><P>hello everyone! I have a problem, in codewarrior, i want to unsecure the s9S12GN32 &nbsp;0N48A and erase all blcok, but the flash is unchanged, and the content is the same as the original, what is the problem?</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89058i2D066EA8404F3448/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89087i99562401A42D2023/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/89137iF814484C14E97684/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></P><P>the flash is unchanged!!!!</P></BODY></HTML> Sat, 24 Aug 2019 14:09:16 GMT https://community.nxp.com/t5/CodeWarrior-Development-Tools/help-I-can-t-unsecure-the-9S12GN32/m-p/968593#M7891 seawind_hit_77 2019-08-24T14:09:16Z Re: help !!!I can't unsecure the 9S12GN32 https://community.nxp.com/t5/CodeWarrior-Development-Tools/help-I-can-t-unsecure-the-9S12GN32/m-p/968594#M7892 <HTML><HEAD></HEAD><BODY><P>Hi Liu,</P><P>I am not sure whether it is a reason for your issue, but the default&nbsp;P&amp;E_Multilink_USB_Erase_unsecure_hcs12p.cmd file contains reset command prior unsecure.<BR />After reset, the bus clock (source for flash clock) is 6.25MHz. Therefore, you should set FCLKDIV to 5, instead of 16.</P><P></P><P>Please try correct FCLKDIV value.</P><P>If that will not work, please try Unsecure12 tool directly from PEmicro (when you use PEmicro or OSBDM debugger).</P><P><A class="link-titled" href="http://www.pemicro.com/downloads/download_file.cfm?download_id=16" title="http://www.pemicro.com/downloads/download_file.cfm?download_id=16">http://www.pemicro.com/downloads/download_file.cfm?download_id=16</A>&nbsp;</P><P>Sometimes, this could help.</P><P></P><P>I hope it helps you.</P><P></P><P>Have a great day,<BR />Radek</P><P></P><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P></P><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Wed, 28 Aug 2019 13:20:31 GMT https://community.nxp.com/t5/CodeWarrior-Development-Tools/help-I-can-t-unsecure-the-9S12GN32/m-p/968594#M7892 RadekS 2019-08-28T13:20:31Z