®ý¦¿¦èªù¤l¥N²z°Ó ®ý¦¿¦èªù¤l¥N²z°Ó
CPU°w¸}¦h¡A§ó´«³Â·Ð¡A¨Ã¥B¥«³õ¤£®e©ö¶R¨ì°t¥ó¡A¥i¥H¥Î©î¾÷¥ó´À´«¡C
2¡GPLC«Y²Î¤¤ªº¦sÀx¾¹¡G
PLC«Y²Î¤¤ªº¦sÀx¾¹¥Dn¥Î©ó¦s©ñ«Y²Îµ{§Ç¡B¥Î¤áµ{§Ç©M¤u§@ª¬ºA¼Æ¾Ú¡CPLCªº¦sÀx¾¹¥]¬A«Y²Î¦sÀx¾¹©M¥Î¤á¦sÀx¾¹¡C
¡]1¡^ROM §Y¥uŪ¦sÀx¾¹¡A¥Î©ó¥ÑPLC¥Í²£¼t®a½s¼gªº«Y²Îµ{§Ç¡A¨Ã©T¤Æ¦bROM¤º¡A¥Î¤á¤£¯à§ó§ï¡A¯à°÷§¹¦¨PLC³]pªÌ³W©wªº¦U¶µ¤u§@¡C¹ê²{«ü¥O¸ÑÄÀ¡A³øĵ³B²zµ¥¡A©MPC¾÷ªºBIOS®t¤£¦h¡A«Y²Îµ{§Ç½è¶qªº¦nÃa«Ü¤jµ{«×¤W¨M©w¤FPLCªº©Ê¯à¡C
¦pªGùرªº¼Æ¾Ú¥á¥¢¡A©Îªä¤ù·lÃa·|¤Þ°_¤£¶}¾÷¡A³øĵ²{¶H¡C¦b¥®Éªººû×·í¤¤¡AROM¬G»Ù©Ò¦ûªº¤ñ¨Ò¤]¬O«Ü¤jªº¡C¥i¥H¥Î½sµ{¾¹«¨ê©T¥óµ{§Ç¡]¨Æ¥ý¦³³Æ¥÷¡^¡A¨Ó¸Ñ¨M¦¹Ãþ°ÝÃD¡C
¡]2¡^¥Î¤á¦sÀx¾¹
¥Î¤á¦sÀx¾¹¥]¬A¥Î¤áµ{§Ç¦sÀx¾¹¡]µ{§Ç°Ï¡^©M¼Æ¾Ú¦sÀx¾¹¡]¼Æ¾Ú°Ï¡^¨â³¡¤À¡C¥Î¤áµ{§Ç¦sÀx¾¹¥Î¨Ó¦s©ñ¥Î¤á°w¹ï¨ãÅé±±¨î¥ô°È±Ä¥ÎPLC½sµ{»y¨¥½s¼gªº¦UºØ¥Î¤áµ{§Ç¡C¥Î¤áµ{§Ç¦sÀx¾¹®Ú¾Ú©Ò¿ï¥Îªº¦sÀx¾¹³æ¤¸Ãþ«¬ªº¤£¦P¡]¥i¥H¬ORAM¡BEPROM©ÎEEPROM¦sÀx¾¹¡^¡A¨ä¤º®e¥i¥H¥Ñ¥Î¤áקï©Î¼W§R¡C¥Î¤á¼Æ¾Ú¦sÀx¾¹¥i¥H¥Î¨Ó¦s©ñ¡]°O¾Ð¡^¥Î¤áµ{§Ç¤¤©Ò¨Ï¥Î¾¹¥óªºON/OFFª¬ºA©M¼Æ¾Úµ¥¡C¥Î¤á¦sÀx¾¹ªº¤j¤pÃö«Y¨ì¥Î¤áµ{§Ç®e¶qªº¤j¤p¡A¬O¤Ï¬MPLC©Ê¯àªº«n«ü¼Ð¤§¤@¡C
¬°¤F«K©óŪ¥X¡BÀˬd©Mקï¡A¥Î¤áµ{§Ç¤@¯ë¦s©óCMOSÀRºARAM¤¤¡A§YÀH¾÷¦sÀx¾¹¡A¥Dn¦sÀx¤u§@¼Æ¾Ú¡A±¼¹q¼Æ¾Ú¥á¥¢¡A¨Ñ¹qÂ_¸g±`©M³Æ¥Î¹q¦À©M¶W¯Å¹q®e³s±µ¡A¥H¹ê²{±¼¹q¼Æ¾Ú«O«ù¡C«OÃÒ±¼¹q®É¤£·|¥á¥¢«H®§¡C¬°¤F¨¾¤î·FÂZ¹ïRAM¤¤µ{§Çªº¯}Ãa¡A·í¥Î¤áµ{§Ç¸g¹L¹B¦æ¥¿±`¡A¤£»Ýn§ïÅÜ¡A¥i±N¨ä©T¤Æ¦b¥uŪ¦sÀx¾¹EPROM¤¤¡C²{¦b¦³³\¦hPLCª½±µ±Ä¥ÎEEPROM§@¬°¥Î¤á¦sÀx¾¹¡C