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§´§â§Ñ§ß§ã§Ú§Ó§Ö§â§í Gigabit Ethernet §Ü§à§Þ§á§Ñ§ß§Ú§Ú Microchip Technology KSZ9031 §´§â§Ñ§ß§ã§Ú§Ó§Ö§â§í Microchip Technology KSZ9031 Gigabit Ethernet §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§ð§ä §ã§à§Ò§à§Û §á§à§Ý§ß§à§ã§ä§î§ð §Ú§ß§ä§Ö§Ô§â§Ú§â§à§Ó§Ñ§ß§ß§í§Ö §ä§â§Ö§ç§ã§Ü§à§â§à§ã§ä§ß§í§Ö (10Base-T/100Base-TX/1000Base-T) §á§â§Ú§Ö§Þ§à§á§Ö§â§Ö§Õ§Ñ§ä§é§Ú§Ü§Ú §æ§Ú§Ù§Ú§é§Ö§ã§Ü§à§Ô§à §å§â§à§Ó§ß§ñ Ethernet §Õ§Ý§ñ §á§Ö§â§Ö§Õ§Ñ§é§Ú §Ú §á§â§Ú§Ö§Þ§Ñ §Õ§Ñ§ß§ß§í§ç §á§à §ã§ä§Ñ§ß§Õ§Ñ§â§ä§ß§à§Þ§å §Ü§Ñ§Ò§Ö§Ý§ð CAT-5 §ã §ß§Ö§ï§Ü§â§Ñ§ß§Ú§â§à§Ó§Ñ§ß§ß§à§Û §Ó§Ú§ä§à§Û §á§Ñ§â§à§Û (UTP). KSZ9031MNX §á§â§Ö§Õ§Ý§Ñ§Ô§Ñ§Ö§ä §ã§ä§Ñ§ß§Õ§Ñ§â§ä§ß§í§Û GMII/MII (Gigabit Media Independent Interface/Media Independent Interface) §Õ§Ý§ñ §á§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§ñ §Ü GMII/MII MAC §Ó §á§â§à§è§Ö§ã§ã§à§â§Ñ§ç §Ú §Ü§à§Þ§Þ§å§ä§Ñ§ä§à§â§Ñ§ç Gigabit Ethernet §Õ§Ý§ñ §á§Ö§â§Ö§Õ§Ñ§é§Ú §Õ§Ñ§ß§ß§í§ç §ã§à §ã§Ü§à§â§à§ã§ä§î§ð 1000 §®§Ò§Ú§ä/§ã §Ú§Ý§Ú 10/100 §®§Ò§Ú§ä/§ã. KSZ9031RNX §à§Ò§Ö§ã§á§Ö§é§Ú§Ó§Ñ§Ö§ä §å§Þ§Ö§ß§î§ê§Ö§ß§ß§í§Û §Ô§Ú§Ô§Ñ§Ò§Ú§ä§ß§í§Û §ß§Ö§Ù§Ñ§Ó§Ú§ã§Ú§Þ§í§Û §à§ä §ã§â§Ö§Õ§í §Ú§ß§ä§Ö§â§æ§Ö§Û§ã (RGMII) §Õ§Ý§ñ §á§â§ñ§Þ§à§Ô§à §á§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§ñ §Ü MAC-§Ñ§Õ§â§Ö§ã§Ñ§Þ RGMII §Ó §á§â§à§è§Ö§ã§ã§à§â§Ñ§ç §Ú §Ü§à§Þ§Þ§å§ä§Ñ§ä§à§â§Ñ§ç Gigabit Ethernet §Õ§Ý§ñ §á§Ö§â§Ö§Õ§Ñ§é§Ú §Õ§Ñ§ß§ß§í§ç §ã§à §ã§Ü§à§â§à§ã§ä§î§ð 10/100/1000 §®§Ò§Ú§ä/§ã. §µ§ã§ä§â§à§Û§ã§ä§Ó§Ñ Microchip Technology KSZ9031 §ã§ß§Ú§Ø§Ñ§ð§ä §ã§ä§à§Ú§Þ§à§ã§ä§î §á§Ý§Ñ§ä§í §Ú §å§á§â§à§ë§Ñ§ð§ä §Ü§à§Þ§á§à§ß§à§Ó§Ü§å §á§Ý§Ñ§ä§í §Ù§Ñ §ã§é§Ö§ä §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§ñ §Ó§ã§ä§â§à§Ö§ß§ß§í§ç §ã§à§Ô§Ý§Ñ§ã§å§ð§ë§Ú§ç §â§Ö§Ù§Ú§ã§ä§à§â§à§Ó §Õ§Ý§ñ §é§Ö§ä§í§â§Ö§ç §Õ§Ú§æ§æ§Ö§â§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§ç §á§Ñ§â §Ú §Ú§ß§ä§Ö§Ô§â§Ñ§è§Ú§Ú §Ü§à§ß§ä§â§à§Ý§Ý§Ö§â§Ñ LDO §Õ§Ý§ñ §å§á§â§Ñ§Ó§Ý§Ö§ß§Ú§ñ §ß§Ö§Õ§à§â§à§Ô§Ú§Þ MOSFET §Õ§Ý§ñ §á§Ú§ä§Ñ§ß§Ú§ñ §ñ§Õ§â§Ñ 1,2 §£. §¿§ä§à §å§ã§ä§â§à§Û§ã§ä§Ó§à §á§â§Ö§Õ§Ý§Ñ§Ô§Ñ§Ö§ä §Õ§Ú§Ñ§Ô§ß§à§ã§ä§Ú§é§Ö§ã§Ü§Ú§Ö §æ§å§ß§Ü§è§Ú§Ú, §à§Ò§Ý§Ö§Ô§é§Ñ§ð§ë§Ú§Ö §Ó§Ó§à§Õ §Ó §ï§Ü§ã§á§Ý§å§Ñ§ä§Ñ§è§Ú§ð §Ú §à§ä§Ý§Ñ§Õ§Ü§å §ã§Ú§ã§ä§Ö§Þ§í §á§â§Ú §á§â§à§Ú§Ù§Ó§à§Õ§ã§ä§Ó§Ö§ß§ß§à§Þ §ä§Ö§ã§ä§Ú§â§à§Ó§Ñ§ß§Ú§Ú §Ú §â§Ñ§Ù§Ó§Ö§â§ä§í§Ó§Ñ§ß§Ú§Ú §á§â§à§Õ§å§Ü§ä§Ñ. §¶§µ§¯§¬§¸§ª§ª §°§ã§à§Ò§Ö§ß§ß§à§ã§ä§Ú KSZ9031MNX §°§Õ§ß§à§Ü§â§Ú§ã§ä§Ñ§Ý§î§ß§í§Û §ä§â§Ñ§ß§ã§Ú§Ó§Ö§â Ethernet 10/100/1000 §®§Ò§Ú§ä/§ã, §ã§à§Ó§Þ§Ö§ã§ä§Ú§Þ§í§Û §ã§à §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Þ IEEE 802.3 §³§ä§Ñ§ß§Õ§Ñ§â§ä§ß§í§Û §Ú§ß§ä§Ö§â§æ§Ö§Û§ã GMII/MII §ã §Ó§ç§à§Õ§Ñ§Þ§Ú/§Ó§í§ç§à§Õ§Ñ§Þ§Ú, §ã§à§Ó§Þ§Ö§ã§ä§Ú§Þ§í§Þ§Ú §ã §ß§Ñ§á§â§ñ§Ø§Ö§ß§Ú§Ö§Þ 3,3 §£/2,5 §£/1,8 §£ §¡§Ó§ä§à§ã§à§Ô§Ý§Ñ§ã§à§Ó§Ñ§ß§Ú§Ö §Õ§Ý§ñ §Ñ§Ó§ä§à§Þ§Ñ§ä§Ú§é§Ö§ã§Ü§à§Ô§à §Ó§í§Ò§à§â§Ñ §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§à§Û §ã§Ü§à§â§à§ã§ä§Ú §ã§à§Ö§Õ§Ú§ß§Ö§ß§Ú§ñ (10/100/1000 §®§Ò§Ú§ä/§ã) §Ú §Õ§å§á§Ý§Ö§Ü§ã§Ñ (§á§à§Ý§à§Ó§Ú§ß§Ñ/§á§à§Ý§ß§í§Û) §£§ã§ä§â§à§Ö§ß§ß§í§Ö §ã§à§Ô§Ý§Ñ§ã§å§ð§ë§Ú§Ö §â§Ö§Ù§Ú§ã§ä§à§â§í §Õ§Ý§ñ §Õ§Ú§æ§æ§Ö§â§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§ç §á§Ñ§â §£§ã§ä§â§à§Ö§ß§ß§í§Û LDO-§Ü§à§ß§ä§â§à§Ý§Ý§Ö§â §Õ§Ý§ñ §á§à§Õ§Õ§Ö§â§Ø§Ü§Ú §â§Ñ§Ò§à§ä§í §ã §à§Õ§ß§Ú§Þ §Ú§ã§ä§à§é§ß§Ú§Ü§à§Þ §á§Ú§ä§Ñ§ß§Ú§ñ 3,3 §£ ¡ª §ä§â§Ö§Ò§å§Ö§ä§ã§ñ §ä§à§Ý§î§Ü§à §à§Õ§Ú§ß §Ó§ß§Ö§ê§ß§Ú§Û §á§à§Ý§Ö§Ó§à§Û §ä§â§Ñ§ß§Ù§Ú§ã§ä§à§â §Õ§Ý§ñ §Ô§Ö§ß§Ö§â§Ñ§è§Ú§Ú 1,2 §£ §Õ§Ý§ñ §ñ§Õ§â§Ñ §±§à§Õ§Õ§Ö§â§Ø§Ü§Ñ Jumbo-§Ü§Ñ§Õ§â§à§Ó §â§Ñ§Ù§Þ§Ö§â§à§Þ §Õ§à 16 §¬§¢. §£§í§ç§à§Õ §à§á§à§â§ß§à§Ô§à §ä§Ñ§Ü§ä§à§Ó§à§Ô§à §ã§Ú§Ô§ß§Ñ§Ý§Ñ 125 §®§¤§è §²§Ö§Ø§Ú§Þ §à§ä§Ü§Ý§ð§é§Ö§ß§Ú§ñ §á§Ú§ä§Ñ§ß§Ú§ñ §ã §à§á§â§Ö§Õ§Ö§Ý§Ö§ß§Ú§Ö§Þ §ï§ß§Ö§â§Ô§Ú§Ú §Õ§Ý§ñ §ã§ß§Ú§Ø§Ö§ß§Ú§ñ §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§ñ, §Ü§à§Ô§Õ§Ñ §Ü§Ñ§Ò§Ö§Ý§î §ß§Ö §á§à§Õ§Ü§Ý§ð§é§Ö§ß §±§à§Õ§Õ§Ö§â§Ø§Ü§Ñ Energy Efficient Ethernet (EEE) §ã §â§Ö§Ø§Ú§Þ§à§Þ §à§Ø§Ú§Õ§Ñ§ß§Ú§ñ §ã §ß§Ú§Ù§Ü§Ú§Þ §ï§ß§Ö§â§Ô§à§á§à§ä§â§Ö§Ò§Ý§Ö§ß§Ú§Ö§Þ (LPI) §Ú §à§ã§ä§Ñ§ß§à§Ó§Ü§à§Û §é§Ñ§ã§à§Ó §Õ§Ý§ñ 100Base-TX/1000Base-T §Ú §á§Ö§â§Ö§Õ§Ñ§é§Ú §å§Þ§Ö§ß§î§ê§Ö§ß§Ú§Ö §Ñ§Þ§á§Ý§Ú§ä§å§Õ§í §ã §à§á§è§Ú§Ö§Û 10Base-Te §°§ã§à§Ò§Ö§ß§ß§à§ã§ä§Ú KSZ9031RNX §°§Õ§ß§à§Ü§â§Ú§ã§ä§Ñ§Ý§î§ß§í§Û §ä§â§Ñ§ß§ã§Ú§Ó§Ö§â Ethernet 10/100/1000 §®§Ò§Ú§ä/§ã, §ã§à§Ó§Þ§Ö§ã§ä§Ú§Þ§í§Û §ã§à §ã§ä§Ñ§ß§Õ§Ñ§â§ä§à§Þ IEEE 802.3 §³§Ú§ß§ç§â§à§ß§Ú§Ù§Ñ§è§Ú§ñ RGMII §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§Ö§ä §Ó§ã§ä§â§à§Ö§ß§ß§å§ð §Ù§Ñ§Õ§Ö§â§Ø§Ü§å §Ó §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§Ú§Ú §ã RGMII §Ó§Ö§â§ã§Ú§Ú 2.0, §ã §Ó§à§Ù§Þ§à§Ø§ß§à§ã§ä§î§ð §á§â§à§Ô§â§Ñ§Þ§Þ§Ú§â§à§Ó§Ñ§ß§Ú§ñ §Ó§ß§Ö§ê§ß§Ö§Û §Ù§Ñ§Õ§Ö§â§Ø§Ü§Ú §Ú §Ó§ß§Ö§ã§Ö§ß§Ú§Ö§Þ §Ü§à§â§â§Ö§Ü§ä§Ú§â§à§Ó§à§Ü §Ú §Ú§ã§á§â§Ñ§Ó§Ý§Ö§ß§Ú§Û §Ó §ä§â§Ñ§Ü§ä§í §ã§Ú§ß§ç§â§à§ß§Ú§Ù§Ñ§è§Ú§Ú TX §Ú RX. 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