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LAN9500AI 数据表(PDF) 86 Page - Microchip Technology |
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LAN9500AI 数据表(HTML) 86 Page - Microchip Technology |
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86 / 213 page ![]() LAN950x DS00001875A-page 86 2010 - 2015 Microchip Technology Inc. WRITE (Write Location): If erase/write operations are enabled in the EEPROM, this command will cause the contents of the E2P_DATA register to be written to the EEPROM location selected by the EPC Address field (EPC_ADDR). The EPC_TO bit is set if the EEPROM does not respond within 30mS. WRAL (Write All): If erase/write operations are enabled in the EEPROM, this command will cause the contents of the E2P_DATA register to be written to every EEPROM memory location. The EPC_TO bit is set if the EEPROM does not respond within 30mS. FIGURE 5-25: EEPROM READ CYCLE FIGURE 5-26: EEPROM WRITE CYCLE 1 10 A6 EECS EECLK EEDIO (OUTPUT) A0 D7 D0 EEDIO (INPUT) tCSL 0 EECLK EEDIO (INPUT) EEDIO (OUTPUT) EECS 11 A6 A0 D7 D0 tCSL |
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