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LAN9313 Datasheet(PDF) 110 Page - SMSC Corporation |
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LAN9313 Datasheet(HTML) 110 Page - SMSC Corporation |
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110 / 398 page ![]() Three Port 10/100 Managed Ethernet Switch with MII Datasheet Revision 1.2 (04-08-08) 110 SMSC LAN9313/LAN9313i DATASHEET 8.2.3.3 ERAL (Erase All) If erase/write operations are enabled in the EEPROM, this command will initiate a bulk erase of the entire EEPROM. The EPC_TIMEOUT bit of the EEPROM Command Register (E2P_CMD) is set if the EEPROM does not respond within 30mS. 8.2.3.4 EWDS (Erase/Write Disable) After this command is issued, the EEPROM will ignore erase and write commands. To re-enable erase/write operations, the EWEN command must be issued. Figure 8.8 EEPROM ERAL Cycle Figure 8.9 EEPROM EWDS Cycle 0 10 10 EECLK EEDI EEDO EECS 0 10 00 EECLK EEDI EEDO EECS |
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