http://vmcc.vicp.net:9090/wiki/ 2026-07-18T17:24:48+00:00 http://vmcc.vicp.net:9090/wiki/ http://vmcc.vicp.net:9090/wiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2026-07-14T09:33:50+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?id=%E8%AF%AD%E6%B3%95:perl%E8%AF%AD%E6%B3%95%E9%80%9F%E6%9F%A5&rev=1783992830&do=diff 1. perl语法速查 1.1 技巧文章 perl index 1.2 perl单行命令 # linux里面可以用 '' perl -e "print 0;" perl -E "print 0;" perl -e "$i = int(rand(100000)); print $i" # 单行命令产生随机数 1.3 正则表达式 1.3.1 匹配多次 text/html 2026-07-08T09:58:42+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?id=start&rev=1783475922&do=diff 常用链接 ----------------------------------------- ----------------------------------------- ----------------------------------------- text/html 2026-07-07T08:25:33+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?id=edastudy:tessent:ssn&rev=1783383933&do=diff ssn 1. ijtag streaming interface 设置streaming interface为ijtag, 即可以通过JTAG接口来输入scan test pattern。 此时edt 和 occ slow clock都来自于ssn host, 由tck分频而来。 scan_en=0时，occ切换到fast clock进行正常的at-speed capture操作。 text/html 2026-07-06T19:19:06+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?id=edastudy:tessent:memory_bist&rev=1783336746&do=diff 1. mbist 1.1 memory bist mbist测试由mbist fsm控制， mbist controller/MBISTPG_FSM/STATE表示mbist fsm状态，RUNTEST_EN表示正在跑mbist测试。 mbist结果： MBISTPG_DONE = 1表示mbist测试结束。此时如果MBISTPG_GO为1，表示mbist测试PASS，否则为FAIL。 text/html 2026-07-06T19:14:59+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?id=edastudy:tessent:atpg&rev=1783336499&do=diff 1. atpg 1.1 LE TE概念 LE: Leading-Edge -- 上升沿触发的寄存器 TE: Trailing-Edge -- 下降沿触发的寄存器 1.2 Transition AC DC的时候scan_en为0时，只有一拍时钟， scan_en下降沿与这一拍时钟的距离可以足够远，这个时钟也可以是高速或低速时钟。 text/html 2026-07-06T11:13:37+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?image=edastudy%3Atessent%3Apasted%3A20260706-111337.png&ns=edastudy%3Atessent%3Apasted&rev=1783307617&tab_details=history&mediado=diff&do=media <img src="http://vmcc.vicp.net:9090/wiki/lib/exe/fetch.php?w=500&h=106&t=1783307617&amp;tok=f9eb04&amp;media=edastudy:tessent:pasted:20260706-111337.png" alt="edastudy:tessent:pasted:20260706-111337.png" /> text/html 2026-06-30T11:05:00+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?image=edastudy%3Atessent%3Apasted%3A20260630-110500.png&ns=edastudy%3Atessent%3Apasted&rev=1782788700&tab_details=history&mediado=diff&do=media <img src="http://vmcc.vicp.net:9090/wiki/lib/exe/fetch.php?w=499&h=235&t=1782788700&amp;tok=e1487b&amp;media=edastudy:tessent:pasted:20260630-110500.png" alt="edastudy:tessent:pasted:20260630-110500.png" /> text/html 2026-06-30T11:04:39+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?image=edastudy%3Atessent%3Apasted%3A20260630-110439.png&ns=edastudy%3Atessent%3Apasted&rev=1782788679&tab_details=history&mediado=diff&do=media <img src="http://vmcc.vicp.net:9090/wiki/lib/exe/fetch.php?w=500&h=230&t=1782788679&amp;tok=1eec3a&amp;media=edastudy:tessent:pasted:20260630-110439.png" alt="edastudy:tessent:pasted:20260630-110439.png" /> text/html 2026-06-22T08:34:32+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?image=edastudy%3Apasted%3A20260622-083432.png&ns=edastudy%3Apasted&rev=1782088472&tab_details=history&mediado=diff&do=media <img src="http://vmcc.vicp.net:9090/wiki/lib/exe/fetch.php?w=247&h=500&t=1782088472&amp;tok=7821a7&amp;media=edastudy:pasted:20260622-083432.png" alt="edastudy:pasted:20260622-083432.png" /> text/html 2026-06-22T08:33:32+00:00 user01 (user01@undisclosed.example.com) http://vmcc.vicp.net:9090/wiki/doku.php?image=edastudy%3Apasted%3A20260622-083332.png&ns=edastudy%3Apasted&rev=1782088412&tab_details=history&mediado=diff&do=media <img src="http://vmcc.vicp.net:9090/wiki/lib/exe/fetch.php?w=263&h=500&t=1782088412&amp;tok=1c64ae&amp;media=edastudy:pasted:20260622-083332.png" alt="edastudy:pasted:20260622-083332.png" />