欧美精品久久久久性色AV苍井-欧美精品久久久久久久久大尺度-欧美精品九九99久久在免费线-欧美精品九九99久久在观看-adc影院欢迎您大驾光临入口-adc我们的永久网址

 
Bussiness Units
ICT Fixture and Program
Telecom Board Information
  • Board Size: 11.2” * 4.9”
  • Number of Nodes: 3083
  • Accessible Nodes: 1827
  • Number of Components: 1915
  • Number of Boundary-Scan Test: 9
  • Number of On-board-programming: 2
  • Lowest Voltage Level: 1.1 V
 
Challenges and Solutions
  • Challenge 1
    • Total 11 Power Buses(Include external power supply input and board internal generated)
    • Power on safety and stability make sure
  • Our Solution
    • Design test strategy for powered test
      • Correct power supply point and power up sequence
      • Crucial Fixture circuit and wiring for power up (current flow capability and power sense feedback control consideration)
    • Design debug strategy
      • How to safely turn on each power
      • How to eliminate noise coming from fixture
 
 
  • Challenge 2
    • In_Line_Device_Programming
      • CPLD SVF PROGRAMMING(Device D15)
  • Our Solution
    • Using terILDP_SVF_STAPL driver to program, SVF file format (original firmware format could be .pof,.jed,etc)
 
 
  • Challenge 3
    • 1Gbit BOOT FLASH PROGRAMING(Device D5)
  • Our Solution
    • Using CC3 Flash2 drive, to implement Fast programming, approach to datasheet theoretical programming time(Device D5)
    • Spilt the firmware to resolve maximum programming timeout of tester VP card
    • Program dynamic data to memory, such as MAC address or board serial number, etc
 
 
  • Challenge 4
    • Board contain 2 single BS ICs plus 2 BS chains
      • D1(Single Device,MPC8548V)
      • D15(single Device, CPLD)
      • CHAIN1:D9->D10->D20
      • CHAIN2:D16->D18->D19->D28
  • Our Solution
    • Using Powerful victory software to generate great vector pattern to check every accessible pin of BS ICs compliance with IEEE1149.1 std
    • Work with accurate boundary scan intelligent diagnostic, quickly positioning and re-work product defects
主站蜘蛛池模板： 亚洲视频不卡 | 精品无码无人网站免费视频 | 饱满奶大30p | 国产伦子沙发午休系列资源曝光 | 手机在线国产视频 | 日韩一卡二卡三卡四卡免费观在线 | 免费视频不卡 | 国产色偷偷男人的天堂 | 欧美精品成人a多人在线观看 | 久久理论片 | 国产成年人在线观看 | 女人张腿让男人桶免费 | 野草视频在线观看 | 日本国产精品无码一区免费看 | 成人在线免费 | 青青精品国产自在线拍 | 国产真实夫妇交换视频 | 99精品AV无码一区二区 | 肉肉描写很细致的黄文 | 一级毛片西西人体44rt高清 | 无码人妻精品国产婷婷 | 熟女强奷系列中文字幕 | 無码一区中文字幕少妇熟女网站 | 一个人看的WWW高清电影 | 色综合久久五月 | 热综合一本伊人久久精品 | 琉璃美人煞在线观看 | 女王黄金vk| 亚洲国产成人久久精品影视 | 日韩午夜影院 | 翘臀后进美女白嫩屁股视频 | 亚洲男人97色综合久久久 | 成人久久欧美日韩一区二区三区 | 国产高清精品国语特黄A片 国产高清国内精品福利色噜噜 | 麻豆国产自制在线观看 | 国产互换后人妻的疯狂VIDEO | 一手揉着乳头一手模仿抽插视频 | 美女pk精子2小游戏 美女MM131爽爽爽 | 99精产国品一二产区在线 | 久久精品亚洲视频 | 亚洲精品在线观看视频 |