<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">According to the STM407 users manual:<div class=""><br class=""></div><div class="">There is 112KB at 2000 0000</div><div class="">16KB at 2001 C000</div><div class=""><br class=""></div><div class="">And the final 64K is at 1000 0000</div><div class=""><br class=""></div><div class="">So your memory isn’t contiguous at 2000 bazillion. When you declare that it is, the memory test will get into an unused space and give you an address trap.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Andrei from The Great White North</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="2F1FCCAC-2FE9-449D-AC66-410F12032C87" src="cid:6B705130-8996-492E-ADD5-5C3696F67E97@telus" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 2019-June-03, at 23:06, Jython <<a href="mailto:googcheng@gmail.com" class="">googcheng@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">MEMORY {<br class=""> RAM_INT : ORIGIN = 0x20000000, LENGTH = 192k<br class=""> ROM_INT : ORIGIN = 0x00000000, LENGTH = 1M<br class=""><div class="">}</div><div class=""><br class=""></div><div class="">im using the f407 has 192k ram, <br class=""></div><div class="">the original is
<b class="">LENGTH = 128k</b>,</div><div class="">but if i changed it to 192k, the board cant boot, why?<br class="">
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