topic Re: IAP RAM Requirements? in LPCXpresso IDE https://community.nxp.com/t5/LPCXpresso-IDE/IAP-RAM-Requirements/m-p/527066#M258 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by NXP_USA on Thu Jan 26 10:10:35 MST 2012</STRONG><BR /><SPAN>Hi!</SPAN><BR /><SPAN>IAP uses the top 32-bytes of the local RAM (not the AHB RAM). There is an NXP application note that shows how to get IAP to work on the LPC176x_5x.</SPAN><BR /><A href="http://">http://www.nxp.com/documents/application_note/AN10866.pdf</A><BR /><A href="http://">http://www.nxp.com/documents/other/LPC1700_secondary_USB_bootloader.zip</A></BODY></HTML> Thu, 16 Jun 2016 02:53:46 GMT lpcware 2016-06-16T02:53:46Z IAP RAM Requirements? https://community.nxp.com/t5/LPCXpresso-IDE/IAP-RAM-Requirements/m-p/527065#M257 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by scs on Wed Jan 25 12:06:03 MST 2012</STRONG><BR /><SPAN>The LPC17XX IAP built-in flash programming functions use 32 bytes in the "top portion of the on-chip RAM". But it is not clear which RAM, the normal RamLoc32 or the less used RamAHB32 second bank of RAM. </SPAN><BR /><BR /><SPAN>If IAP uses the normal RamLoc32, then I should probably reserve 32 decimal bytes at the top of RAM in the CodeRed IDE, changing the MPU Linker Target "Stack offset" from 0 to 32.&nbsp; But if IAP uses RamAHB32 then Stack offset 0 would be ok.</SPAN><BR /><BR /><SPAN>Does anyone know whether "Stack offset" 32 is recommended when my code uses IAP functions?</SPAN></BODY></HTML> Thu, 16 Jun 2016 02:53:45 GMT https://community.nxp.com/t5/LPCXpresso-IDE/IAP-RAM-Requirements/m-p/527065#M257 lpcware 2016-06-16T02:53:45Z Re: IAP RAM Requirements? https://community.nxp.com/t5/LPCXpresso-IDE/IAP-RAM-Requirements/m-p/527066#M258 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by NXP_USA on Thu Jan 26 10:10:35 MST 2012</STRONG><BR /><SPAN>Hi!</SPAN><BR /><SPAN>IAP uses the top 32-bytes of the local RAM (not the AHB RAM). There is an NXP application note that shows how to get IAP to work on the LPC176x_5x.</SPAN><BR /><A href="http://">http://www.nxp.com/documents/application_note/AN10866.pdf</A><BR /><A href="http://">http://www.nxp.com/documents/other/LPC1700_secondary_USB_bootloader.zip</A></BODY></HTML> Thu, 16 Jun 2016 02:53:46 GMT https://community.nxp.com/t5/LPCXpresso-IDE/IAP-RAM-Requirements/m-p/527066#M258 lpcware 2016-06-16T02:53:46Z