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<p class="MsoNormal" align="center" style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 16pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">常见故障及处理</span></b><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 16pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">mkII-CN</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">仿真器引出的十芯线接口为标准的</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口，使用前请注意，具体引脚定义请查阅此用户手册</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">--</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">附录</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，标配转接板为</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">转</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">板，在使用前，请先检查目标板，确认使用的是</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口还是</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口，若使用</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口，务必插上转接板；不要把</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口插反，以免烧坏接口芯片或烧毁目标板；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，如果重新上电后蓝色</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">LED</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">灯长亮，说明仿真器内部固件错误，请运行光盘内的升级软件进行固件修复，具体操作方法请查阅用户手册第</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">章；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，仿真器尾部端口仅</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">USB</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">接口可用，通过</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">USB</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">供电和通讯，串口和电源接口均无实际功用；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，目前已发现</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">AVRSTUDIO</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">TI</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">CCS</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">软件有冲突，和TOP的USB编程器也有冲突，请勿同时安装使用；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，与目标板连接的时候一定要连接</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">GND</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">VT</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，如果没有连接，仿真器的绿色</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">LED</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">不会亮，且接口电路不工作；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">7</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，进行单线调试前需要先通过</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">（至少</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯连接线）下载编译好的程序并使能</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">DWEN</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">熔丝位后，才能进行单线调试，单线调试最少需要</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯连接线，建议使用</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯或者</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">连接线，即使用同样的</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">6</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯或</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯线进行下载和调试；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>8</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调试的时候请确认系统时钟比</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">时钟要高，很多芯片出厂默认为</span><chmetcnv wst="on" unitname="m" sourcevalue="1" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">1M</font></span></chmetcnv><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">内部</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">RC</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">时钟，请注意修改</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">AVR</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">芯片时钟和仿真器的</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调试时钟；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">9</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP/JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">下载，</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">JTAG</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调试，单线调试都会占用仿真器，不能在未关闭当前连接的情况下用另外一种方式来连接仿真器。即在进行仿真的时候不能连接编程界面，反之亦然。同样，也不能在已经连接了</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">AVRSTUDIO</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的情况下再开</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">AVR32STUDIO</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">来连仿真器；</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><p></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><p><font face="Times New Roman"> </font></p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">，在</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">ISP</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">下载和</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">debugWIRE</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">调试的时候，请去掉</span><span lang="EN-US" style="FONT-SIZE: 12pt;"><font face="Times New Roman">reset</font></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">引脚上的电容，不然会导致连接失败；</span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">11，使用JTAG或者ISP的时候，请确保JTAG或ISP的引脚没有连接其它外设设备或者外部电阻电容；</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p> |
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