{"id":374,"date":"2026-03-22T17:01:09","date_gmt":"2026-03-22T08:01:09","guid":{"rendered":"https:\/\/mazegohan.blog\/?p=374"},"modified":"2026-03-23T22:15:28","modified_gmt":"2026-03-23T13:15:28","slug":"avr-db-%e3%81%ae-flash-memory-%e3%81%ae%e6%9b%b8%e3%81%8d%e6%8f%9b%e3%81%88%e5%af%bf%e5%91%bd%e3%81%af%e7%b4%848-5%e4%b8%87%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/mazegohan.blog\/?p=374","title":{"rendered":"AVR DB \u306e flash memory \u306e\u66f8\u304d\u63db\u3048\u5bff\u547d\u306f\u7d048.5\u4e07\u56de"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">TL; DR<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AVR Dx\/Ex series \u306e datasheet \u306b\u3088\u308b\u3068\u3001flash memory \u306e\u66f8\u304d\u63db\u3048\u56de\u6570\u306f 1,000\u56de\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002Classic AVR \u3084\u6700\u8fd1\u306e AVR EB \u3067\u306f 10,000\u56de\u306a\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u305f\u3063\u305f1\/10\u3002\u304a\u305d\u3089\u304f\u5b89\u5168\u5bc4\u308a\u306b\u632f\u3063\u305f\u5024\u3060\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u5b9f\u969b\u306b\u691c\u8a3c\u3057\u305f\u3068\u3053\u308d\u3001\u7d048.5\u4e07\u56de\u3060\u3063\u305f\u3068\u3044\u3046\u8a71\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u52d5\u6a5f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u306e\u901a\u308a datasheet \u306b\u3088\u308b\u3068\u66f8\u304d\u63db\u3048\u56de\u6570\u306f 1,000\u56de\u3067\u3059\u3002\u5927\u6614\u306e AT90S \u3068\u540c\u3058\u6570\u5b57\u306f2020\u5e74\u4ee3\u306e MCU \u3068\u3057\u3066\u60c5\u306a\u3044\u306b\u3082\u7a0b\u304c\u3042\u308a\u307e\u3059\u3002\u767a\u58f2\u5f53\u6642\u306e datasheet \u306b\u306f 10,000\u56de\u3068\u66f8\u304b\u308c\u3066\u3044\u305f\u306e\u306b\u3001\u88fd\u54c1\u3067\u306f\u306a\u304fdatasheet\u306e\u65b9\u304c\u8a02\u6b63\u3055\u308c\u305f (erratum \u3067\u306f\u306a\u304f\u4ed5\u69d8\u306b\u306a\u3063\u305f) \u7d4c\u7def\u3082\u6c17\u306b\u306a\u308a\u307e\u3059\u3002\u521d\u671f\u306eSTM32H5\u3067\u3082\u4f3c\u305f\u3088\u3046\u306a erratum \u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u3053\u3061\u3089\u306f\u88fd\u54c1\u306e\u65b9\u304c\u8a02\u6b63\u3055\u308c\u307e\u3057\u305f\u3002\u5b9f\u9a13\u3084\u958b\u767a\u3067\u8a66\u884c\u932f\u8aa4\u3057\u3066\u3044\u308b\u3068\u308f\u308a\u3068\u7c21\u5358\u306b\u5230\u9054\u3057\u3066\u3057\u307e\u3044\u305d\u3046\u306a\u6570\u5b57\u306a\u306e\u3067\u3001\u3044\u304f\u3064\u304b\u7591\u554f\u3092\u6301\u3063\u305f\u6b21\u7b2c\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u304a\u305d\u3089\u304f\u5b89\u5168\u5bc4\u308a\u306b\u632f\u3063\u305f\u6570\u5b57\u306a\u306e\u3067\u3001\u5b9f\u969b\u306f\u3069\u306e\u3050\u3089\u3044\u304b<\/li>\n\n\n\n<li>\u5bff\u547d\u304c\u5c3d\u304d\u305f\u3068\u304d\u3001\u3069\u3093\u306a\u75c7\u72b6\u304c\u51fa\u308b\u306e\u304b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">avrdude \u3092\u30d6\u30f3\u56de\u305b\u3070\u5b9f\u969b\u306b\u8a66\u9a13\u3067\u304d\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3072\u3068\u307e\u305a\u5b9f\u9a13\u524d\u306e\u4e88\u60f3\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\u4e07\u56de\u306f\u4f59\u88d5\u3068\u3057\u3066\u30012\u301c3\u4e07\u56de\u3050\u3089\u3044\u304c\u5bff\u547d\u3067\u306f<\/li>\n\n\n\n<li>Erase \u3057\u3066\u30821\u306b\u306a\u3089\u306a\u3044 bit \u304c\u30dd\u30c4\u30dd\u30c4\u3068 random \u306b\u51fa\u3066\u304d\u3066\u5897\u52a0\u3057\u3066\u3044\u304f\u3060\u308d\u3046<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u9a13\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u57f7\u62d7\u306b erase \/ write \u3057\u3066\u3001\u7d50\u679c\u304c 0xFF \/ 0x00 \u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u66f8\u304d\u8fbc\u3080\u5185\u5bb9\u306f program \u3068\u3057\u3066\u306f\u307e\u3063\u305f\u304f\u610f\u5473\u304c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u4ed5\u7d44\u307f\u3092\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Breadboard \u3067 <a href=\"https:\/\/avrdudes.github.io\/avrdude\/8.1\/avrdude_23.html#SerialUPDI-Programmer\">SerialUPDI<\/a> \u3092\u69cb\u6210\u3059\u308b<\/li>\n\n\n\n<li>\u4f7f\u3044\u3055\u3057\u306e <a href=\"https:\/\/www.microchip.com\/en-us\/product\/avr32db32\">AVR32DB32<\/a> (QFP) \u3092\u3072\u305f\u3059\u3089 erase \/ write \u3059\u308b<\/li>\n\n\n\n<li>\u96fb\u5727\u306f 3.3V<\/li>\n\n\n\n<li>Erase \/ write \u4e00\u5bfe\u30921\u56de\u3068\u6570\u3048\u308b\n<ul class=\"wp-block-list\">\n<li>Erase (verify\u306a\u3057) =&gt; 0xFF \u306b\u306a\u308b<\/li>\n\n\n\n<li>Read =&gt; \u5168\u57df\u304c 0xFF \u306b\u306a\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n\n<li>Write (verify\u306a\u3057) =&gt; 0x00 \u3092\u66f8\u304d\u8fbc\u3080<\/li>\n\n\n\n<li>Read =&gt; \u5168\u57df\u304c 0x00 \u306b\u306a\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5b9f\u9a13\u306b\u306f Raspberry Pi Model 3B+ \u3092\u4f7f\u3046 (\u3075\u3060\u3093\u4f7f\u3063\u3066\u3044\u308b\u958b\u767a\u74b0\u5883\u306b \/dev\/ttyUSBn \u3084 \/dev\/ttyACMn \u304c\u751f\u3048\u308b\u3068\u90aa\u9b54\u306a\u306e\u3067)\n<ul class=\"wp-block-list\">\n<li>tmux \u3067 ssh session \u3092\u4fdd\u8b77\u3057\u3066\u304a\u304f\u3053\u3068<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Erase \/ write \u306e\u7d50\u679c\u304c\u304a\u304b\u3057\u304f\u306a\u3063\u3066\u3082\u7d99\u7d9a\u3059\u308b (\u58ca\u308c\u3066\u3044\u304f\u904e\u7a0b\u3092\u89b3\u5bdf\u3059\u308b)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Erase \/ write \u306f verify \u3092\u7701\u7565\u3057\u307e\u3057\u305f\u3002\u3068\u3044\u3046\u306e\u306f\u300c\u305d\u3082\u305d\u3082 error \u3092\u51fa\u3059\u3064\u3082\u308a\u3067\u3084\u3063\u3066\u3044\u308b\u300d\u300c\u6bce\u56de\u3001\u5f8c\u3067\u5168\u57df\u8aad\u307f\u51fa\u3059\u300d\u3086\u3048\u306b\u300c\u6642\u9593\u306e\u3080\u3060\u300d\u3068\u3044\u3046\u306e\u304c\u7406\u7531\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cRead \u3057\u305f\u7d50\u679c\u306f RAM \u306b\u683c\u7d0d\u3059\u308b\u300d\u3068\u3053\u308d\u304c\u4e00\u5de5\u592b\u3067\u3059\u3002\u3053\u308c\u3092\u5f8b\u5100\u306b host \u5074\u306e PC \u306e storage (\u4eca\u56de\u306f Raspberry Pi \u306e micro SD) \u306b\u66f8\u304d\u8fbc\u3080\u3068\u3001AVR \u3060\u3051\u3067\u306a\u304f micro SD \u306e\u8010\u4e45\u8a66\u9a13\u3092\u3084\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u8def\u306f breadboard 1\u679a\u306b\u53ce\u307e\u308b\u3054\u304f\u7c21\u5358\u306a\u3082\u306e\u3067\u3059\u3002USB-UART\u5909\u63db\u306f FT232RL \u3092\u4f7f\u3044\u307e\u3057\u305f\u3002LED 2\u500b\u3068\u5236\u9650\u62b5\u6297\u306f\u4efb\u610f\u3067\u3001FT232RL \u306e CBUS0\/CBUS1 \u306b\u3064\u306a\u304c\u3063\u3066\u3044\u3066 TX\/RX \u306b\u5408\u308f\u305b\u3066\u70b9\u6ec5\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002AVR \u306e\u96fb\u6e90\u306b\u306f FT232RL \u306e 3.3V \u51fa\u529b\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/mazegohan.blog\/wp-content\/uploads\/2026\/03\/2026-03-22-1024x768.jpeg\" alt=\"Raspberry Pi \u3068\u3001breadboard \u306b\u69cb\u6210\u3057\u305f SerialUPDI \u306e\u56de\u8def\" class=\"wp-image-449\" srcset=\"https:\/\/mazegohan.blog\/wp-content\/uploads\/2026\/03\/2026-03-22-1024x768.jpeg 1024w, https:\/\/mazegohan.blog\/wp-content\/uploads\/2026\/03\/2026-03-22-300x225.jpeg 300w, https:\/\/mazegohan.blog\/wp-content\/uploads\/2026\/03\/2026-03-22-768x576.jpeg 768w, https:\/\/mazegohan.blog\/wp-content\/uploads\/2026\/03\/2026-03-22.jpeg 1296w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u304b\u3089\u3001\u3053\u306e\u3088\u3046\u306a shell script \u3092\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/sh\n\npartno=\"avr32db32\"\nprogrammer=\"serialupdi\"\nport=\"\/dev\/ttyUSB0\"\navrdude=\"avrdude -q -q -p $partno -P $port -c $programmer\"\n\ni=1\nerase_expected=\"erased.hex\"\nwrite_expected=\"zero.hex\"\ntempdir=\"\/run\/user\/1000\"\n\nwhile &#91;&#91; $i -le 100000 ]]\ndo\n  echo \"count = \"$i\", erase expected:\" $erase_expected \", write expected: \"$write_expected\n\n  # chip erase\n  $avrdude -e\n  if &#91; $? -ne 0 ]\n  then\n    echo \"Error occured while erasing. Abort.\"\n    exit 1\n  fi\n  # read erased image\n  tempfile=`printf \"erased_%06d.hex\" $i`\n  $avrdude -U flash:r:$tempdir\/$tempfile:i -A\n  if &#91; $? -ne 0 ]\n  then\n    echo \"Error occured while reading erased memory. Abort.\"\n    exit 2\n  fi\n  # diff\n  diff $erase_expected $tempdir\/$tempfile &gt; \/dev\/null\n  if &#91; $? -eq 0 ]\n  then # match\n    rm $tempdir\/$tempfile\n  else # don't match\n    echo \"ERASE ERROR!!\"\n    mv $tempdir\/$tempfile .\n    erase_expected=$tempfile\n  fi\n\n  # write 0x00 without erase and verify\n  $avrdude -U flash:w:zero.hex:i -D -V &gt; \/dev\/null\n  if &#91; $? -ne 0 ]\n  then\n    echo \"Error occured while writing. Abort.\"\n    exit 3\n  fi\n  # read written image\n  tempfile=`printf \"write_%06d.hex\" $i`\n  $avrdude -U flash:r:$tempdir\/$tempfile:i -A\n  if &#91; $? -ne 0 ]\n  then\n    echo \"Error occured while reading written memory. Abort.\"\n    exit 4\n  fi\n  # diff\n  diff $write_expected $tempdir\/$tempfile &gt; \/dev\/null\n  if &#91; $? -eq 0 ]\n  then # match\n    rm $tempdir\/$tempfile\n  else # don't match\n    echo \"WRITE ERROR!!\"\n    mv $tempdir\/$tempfile .\n    write_expected=$tempfile\n  fi\n\n  i=`expr $i + 1`\ndone\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6e96\u5099 (\u66f8\u304d\u8fbc\u307f\/\u6bd4\u8f03\u306b\u4f7f\u3046file\u3092\u7528\u610f\u3059\u308b)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">avrdude \u3067\u66f8\u304d\u8fbc\u3093\u3060\u308a\u3001erase \/ write \u3057\u305f\u7d50\u679c\u304c\u671f\u5f85\u901a\u308a\u304b\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u3001\u3042\u3089\u304b\u3058\u3081 .hex file \u3092\u4f5c\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Erase \u5f8c\u306e\u65b9\u306f\u7c21\u5358\u3002\u307e\u305a\u306f avrdude \u3067 erase \u3057\u3066\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>avrdude -p avr32db32 -c serialupdi -P \/dev\/ttyUSB0 -e<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u57df\u304c 0xFF \u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3092 dump \u3059\u308c\u3070\u3067\u304d\u3042\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>avrdude -p avr32db32 -c serialupdi -P \/dev\/ttyUSB0 -U flash:r:erased.hex:i<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c11\u3057\u9762\u5012\u306a\u306e\u306f\u66f8\u304d\u8fbc\u307f\u5f8c\u306e 0x00 \u306e\u65b9\u3067\u3001dd -&gt; avr-objcopy -&gt; avrdude \u3067\u66f8\u304d\u8fbc\u307f -&gt; avrdude \u3067\u8aad\u307f\u8fbc\u307f \u3068\u3044\u3046\u624b\u9806\u3092\u305f\u3069\u308a\u307e\u3057\u305f\u3002\u307e\u305a\u306f 0x00 \u304c\u9023\u7d9a\u3057\u305f binary file \u3092\u4f5c\u308b\u305f\u3081\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dd if=\/dev\/zero bs=32768 count=1 of=zero.bin<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u307e\u307e\u3067\u306f Intel Hex \u3067\u306f\u306a\u3044\u306e\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u63db\u3057\u3066\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>avr-objcopy -I binary -O ihex zero.bin temp.hex<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3057\u307e\u3059\u3002\u305f\u3060\u6bd4\u8f03\u3092\u697d\u3057\u3066 diff \u3067\u3084\u308a\u305f\u3044\u306a\u30fc\u3068\u3044\u3046\u3068\u304d1\u884c\u3042\u305f\u308a\u306e byte \u6570\u304c\u9055\u3046\u3068\u5f53\u7136\u306a\u304c\u3089\u4e0d\u4e00\u81f4\u306b\u306a\u308b\u306e\u3067\u3001\u5f62\u3092 avrdude \u306e\u51fa\u529b\u3068\u63c3\u3048\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u307e\u305a\u306f\u4e00\u56de\u66f8\u304d\u8fbc\u3093\u3067\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>avrdude p avr32db32 -c serialupdi -P \/dev\/ttyUSB0 -U flash:w:temp.hex:i<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Dump \u3059\u308c\u3070\u6b32\u3057\u3044\u5f62 (32bytes\/line) \u306e file \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>avrdude -p avr32db32 -c serialupdi -P \/dev\/ttyUSB0 -U flash:r:zero.hex:i<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u9a13\u7d50\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u9a13\u4e2d\u306b avrdude \u304c\u7570\u5e38\u7d42\u4e86\u3059\u308b\u3053\u3068\u306a\u304f time out \u304c\u9023\u7d9a\u3057\u3066\u3057\u307e\u3046\u4e8b\u8c61\u304c\u4f55\u56de\u304b\u3042\u308a\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a error \u304c\u9023\u7d9a\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">avrdude error: wait NVM ready timed out<br>avrdude error: updi_nvm_wait_ready() failed<br> ***failed;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u304c\u51fa\u3066\u3057\u307e\u3046\u3068\u653e\u3063\u3066\u304a\u3044\u3066\u3082\u89e3\u6d88\u3057\u307e\u305b\u3093\u3002\u307e\u305f\u539f\u56e0\u304c avrdude \u306a\u306e\u304b PC \u306a\u306e\u304b FT232RL \u306a\u306e\u304b\u3001\u3042\u308b\u3044\u306f\u5b9f\u9a13\u53f0\u306e AVR32DB32 \u304b\u3082\u5206\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u300c\u3053\u306e\u76f4\u524d\u306b\u4f55\u56de\u307e\u3067\u6210\u529f\u3057\u305f\u304b\u300d\u3068\u3044\u3046\u60c5\u5831\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u56de\u6570\u306f\u300c\u6b63\u3057\u304f\u8a18\u9332\u304c\u6b8b\u3063\u3066\u3044\u308b\u7bc4\u56f2\u3067\u300d\u3068\u306a\u308a\u3001\u5b9f\u969b\u306b\u306f\u6570\u5343\u56de\u306e\u4e0a\u4e57\u305b\u304c\u3042\u308b\u3082\u306e\u3068\u898b\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10\u4e07\u56de\u5b9f\u884c\u3057\u305f\u3046\u3061\u3001erase \/ write \u304c\u4e0d\u5b8c\u5168\u3060\u3063\u305f\u306e\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Cycle<\/td><td>Erase<\/td><td>Write<\/td><\/tr><tr><td>84,521<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>88,500<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>88,656<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>89,552<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>90,689<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>92,616<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>93,398<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>95,190<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>96,000<\/td><td>OK<\/td><td>Error<\/td><\/tr><tr><td>98,329<\/td><td>Error<\/td><td>OK<\/td><\/tr><tr><td>98,629<\/td><td>Error<\/td><td>OK<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">84,521\u56de\u76ee\u3067\u6700\u521d\u306e\u4e0d\u826f\u304c\u51fa\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u5b9f\u969b\u306b\u306f\u4f7f\u3044\u3055\u3057\u306e\u7d20\u5b50\u3067\u3042\u3063\u305f\u3053\u3068\u3084\u3001script \u306e\u958b\u767a\u3067\u8a66\u9a13\u7684\u306b erase \/ write \u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u5b9f\u969b\u306b\u306f85,000\u56de\u524d\u5f8c\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3057\u3087\u3046\u3002\u3053\u3053\u304b\u3089\u63b2\u984c\u306e8.5\u4e07\u56de\u3068\u3044\u3046\u6570\u5b57\u304c\u51fa\u3066\u304d\u307e\u3059\u3002\u3053\u308c\u4ee5\u5916\u3067\u306f\u5e38\u306b erase \u3067 0xFF\u3001write \u3067 0x00 \u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u3064\u307e\u308a\u300c\u5358\u767a\u306e\u969c\u5bb3\u3067\u3001\u518d\u5b9f\u884c\u3059\u308b\u3068\u554f\u984c\u306a\u3044\u300d\u3068\u3044\u3046\u7d50\u679c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u58ca\u308c\u65b9\u3092\u898b\u3066\u307f\u308b\u3068\u3001\u610f\u5916\u306b\u3082\u300c\u540c\u3058\u7b87\u6240\u3067\u540c\u3058\u3088\u3046\u306b bit \u304c\u58ca\u308c\u308b\u300d\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306f\u6700\u521d\u306e\u969c\u5bb3\u3067\u3042\u308b84,521\u56de\u76ee\u3067\u3059\u304c\u3001erase \u3067\u51fa\u308b\u969c\u5bb3\u306f\u3059\u3079\u3066\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ diff erased.hex erased_084521.hex <br>1,8c1,8<br>&lt; :20000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00<br>&lt; :20002000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0<br>&lt; :20004000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC0<br>&lt; :20006000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA0<br>&lt; :20008000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF80<br>&lt; :2000A000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF60<br>&lt; :2000C000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF40<br>&lt; :2000E000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF20<br>---<br>&gt; :20000000FF85858585858585858585858585858585858585858585858585858585858585C6<br>&gt; :20002000858585858585858585858585858585858585858585858585858585858585858520<br>&gt; :20004000858585858585858585858585858585858585858585858585858585858585858500<br>&gt; :200060008585858585858585858585858585858585858585858585858585858585858585E0<br>&gt; :20008000FF00858585858585858585858585858585858585858585858585858585858585CB<br>&gt; :2000A0008585858585858585858585858585858585858585858585858585858585858585A0<br>&gt; :2000C000BE8585858585858585858585858585858585858585858585858585858585858547<br>&gt; :2000E000858585858585858585858585858585858585858585858585858585858585858560<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d9a\u3044\u3066 write \u3067\u8d77\u304d\u305f\u65b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ diff zero.hex write_096000.hex <br>1,8c1,8<br>&lt; :200000000000000000000000000000000000000000000000000000000000000000000000E0<br>&lt; :200020000000000000000000000000000000000000000000000000000000000000000000C0<br>&lt; :200040000000000000000000000000000000000000000000000000000000000000000000A0<br>&lt; :20006000000000000000000000000000000000000000000000000000000000000000000080<br>&lt; :20008000000000000000000000000000000000000000000000000000000000000000000060<br>&lt; :2000A000000000000000000000000000000000000000000000000000000000000000000040<br>&lt; :2000C000000000000000000000000000000000000000000000000000000000000000000020<br>&lt; :2000E000000000000000000000000000000000000000000000000000000000000000000000<br>---<br>&gt; :200000000085858585858585858585858585858585858585858585858585858585858585C5<br>&gt; :20002000858585858585858585858585858585858585858585858585858585858585858520<br>&gt; :20004000858585858585858585858585858585858585858585858585858585858585858500<br>&gt; :200060008585858585858585858585858585858585858585858585858585858585858585E0<br>&gt; :200080000000858585858585858585858585858585858585858585858585858585858585CA<br>&gt; :2000A0008585858585858585858585858585858585858585858585858585858585858585A0<br>&gt; :2000C000BE8585858585858585858585858585858585858585858585858585858585858547<br>&gt; :2000E000858585858585858585858585858585858585858585858585858585858585858560<br><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u305a\u308c\u3082\u5148\u982d 256bytes \u3060\u3051\u304c\u540c\u3058\u3088\u3046\u306b 0x85 \u306b\u306a\u308b\u3068\u3044\u3046\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u5f53\u521d\u306e\u60f3\u5b9a\u3092\u5927\u5e45\u306b\u88cf\u5207\u308b\u5b9f\u969b\u306e\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u60f3\u5b9a<\/td><td>\u7d50\u679c<\/td><\/tr><tr><td>1\u4e07\u56de\u306f\u4f59\u88d5\u3068\u3057\u3066\u30012\u301c3\u4e07\u56de\u3050\u3089\u3044\u304c\u5bff\u547d\u3067\u306f<\/td><td>8.5\u4e07\u56de (Datasheet \u306e85\u500d)<\/td><\/tr><tr><td>Erase \u3057\u3066\u30821\u306b\u306a\u3089\u306a\u3044 bit \u304c\u30dd\u30c4\u30dd\u30c4\u3068 random \u306b\u51fa\u3066\u304d\u3066\u5897\u52a0\u3057\u3066\u3044\u304f\u3060\u308d\u3046<\/td><td>\u5148\u306b erase \u304c\u554f\u984c\u306b\u306a\u308b\u306e\u306f\u60f3\u5b9a\u901a\u308a\u3002\u305f\u3060\u3057\u5148\u982d256bytes\u306e\u7279\u5b9a\u306e\u7b87\u6240\u304c0x85\u306b\u306a\u308b\u3060\u3051\u3002\u5897\u6e1b\u3057\u306a\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u304b\u306b\u4e0d\u5177\u5408\u306f\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u304c\u3001\u518d\u5b9f\u884c\u3059\u308c\u3070\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u3055\u3059\u304c\u306b\u88fd\u54c1\u306b\u7d44\u307f\u8fbc\u3080\u306e\u306f\u30de\u30ba\u3044\u3082\u306e\u306e\u3001\u958b\u767a\u7528\u306a\u3089\u554f\u984c\u306a\u304f\u4f7f\u3048\u3066\u3057\u307e\u3044\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u5f8c\u306e\u5b9f\u9a13<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Flash memory \u306e\u7279\u5b9a\u306e\u9818\u57df\u306ebit\u304c\u307e\u308c\u306b\u58ca\u308c\u308b (\u5358\u767a\u7684\u306b erase \/ write \u304c\u6b63\u5e38\u306b\u884c\u308f\u308c\u306a\u3044) \u3053\u3068\u306f\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u4ed6\u306e\u9818\u57df\u306f\u307e\u3063\u305f\u304f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3067\u306f\u300c\u5bff\u547d\u304c\u5c3d\u304d\u305f\u3068\u304d\u3001\u3069\u3093\u306a\u75c7\u72b6\u304c\u51fa\u308b\u306e\u304b\u300d\u306e\u7b54\u3048\u3068\u306f\u8a00\u3044\u96e3\u304f\u3001\u5b9f\u9a13\u3092\u7d99\u7d9a\u3059\u308b\u3057\u304b\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">avrdude \u306e timeout error \u306f\u5384\u4ecb\u3067\u3059\u3002avrdude \u304c\u7d42\u4e86\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067 shell \u306a\u3069\u304b\u3089\u5236\u5fa1\u304c\u52b9\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u6b63\u78ba\u306a\u56de\u6570\u304c\u5931\u306a\u308f\u308c\u3066\u3057\u307e\u3046\u306e\u3082\u56f0\u308a\u3082\u306e\u3067\u3059\u3002\u6b63\u78ba\u306a\u56de\u6570\u306b\u3064\u3044\u3066\u306f AVR \u5185\u8535\u306e EEPROM \u306b\u66f8\u304d\u8fbc\u3093\u3067\u3044\u3051\u3070\u3088\u3055\u305d\u3046\u3068\u3044\u3046\u611f\u89e6\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6765\u306f\u4f7f\u3044\u3055\u3057\u3092\u6d3b\u7528\u3057\u3066\u306e\u4e88\u5099\u5b9f\u9a13\u306e\u3064\u3082\u308a\u3067\u3001\u5b9f\u969b\u306b\u306f\u65b0\u54c1\u3067\u5b9f\u9a13\u3059\u308b\u3064\u3082\u308a\u3067\u3057\u305f\u3002\u305f\u3060 8.5\u4e07\u56de\u3082\u8010\u3048\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u3044\u307e\u3055\u3089\u6700\u521d\u304b\u3089\u5b9f\u9a13\u3059\u308b\u306b\u306f\u8170\u304c\u91cd\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a EEPROM \u306f datasheet \u3067\u3082100,000\u56de\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u8010\u4e45\u8a66\u9a13\u3092\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u306a\u3093\u307c\u306a\u3093\u3067\u3082\u30e0\u30ea\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081\u3068\u3001\u6b8b\u308b\u7591\u554f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u5b9f\u9a13\u3092\u901a\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Datasheet \u306b\u66f8\u304b\u308c\u305f\u66f8\u304d\u63db\u3048\u5bff\u547d\u306f\u3001\u5927\u5e45\u306b\u5b89\u5168\u5bc4\u308a<\/li>\n\n\n\n<li>\u5b9f\u969b\u306e erase \/ write cycle \u306f\u6570\u4e07\u56de\u3002\u8da3\u5473\u306e\u5b9f\u9a13\u30fb\u958b\u767a\u3067\u306f\u307e\u305a\u58ca\u308c\u306a\u3044 (\u4eee\u306b1\u4e07\u56de\u3068\u3057\u3066 50\u56de\/\u65e5\u3067\u66f8\u304d\u8fbc\u3093\u3067200\u65e5\u30025\u4e07\u56de\u306a\u30891,000\u65e5)<\/li>\n\n\n\n<li>Random \u306b bit \u304c\u58ca\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7279\u5b9a\u306e\u9818\u57df\u306b\u540c\u3058\u4e0d\u5177\u5408\u304c\u767a\u751f\u3059\u308b<\/li>\n\n\n\n<li>Bit \u304c\u58ca\u308c\u305f\u3089\u4e8c\u5ea6\u3068\u76f4\u3089\u306a\u3044\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u6b21\u306e erase \/ write \u3067\u76f4\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3067\u300c\u3069\u3046\u3044\u3046\u6761\u4ef6 (\u6e29\u5ea6\u3084\u96fb\u5727\u306a\u3069) \u3067\u5bff\u547d\u304c\u7e2e\u3080\u306e\u304b\u300d\u306f\u5206\u304b\u3089\u306a\u3044\u307e\u307e\u3067\u3059\u3002\u3053\u306e\u3042\u305f\u308a\u306f datasheet \u306b\u66f8\u3044\u3066\u307b\u3057\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TL; DR AVR Dx\/Ex series \u306e datasheet \u306b\u3088\u308b\u3068\u3001flash memory \u306e\u66f8\u304d\u63db\u3048\u56de\u6570\u306f 1,000\u56de\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002Classic AVR \u3084\u6700\u8fd1\u306e AVR EB \u3067\u306f 10,00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9],"class_list":["post-374","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-avr"],"_links":{"self":[{"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/posts\/374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=374"}],"version-history":[{"count":84,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/posts\/374\/revisions"}],"predecessor-version":[{"id":460,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=\/wp\/v2\/posts\/374\/revisions\/460"}],"wp:attachment":[{"href":"https:\/\/mazegohan.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mazegohan.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}