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LAN9220 Fiches technique(PDF) 32 Page - Microchip Technology

No de pièce LAN9220
Description  16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
PDF  142 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9220 Fiches technique(HTML) 32 Page - Microchip Technology

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LAN9220
DS00002417A-page 32
 2006-2017 Microchip Technology Inc.
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_TO bit is set if the EEPROM does not respond within 30ms.
EWDS (Erase/Write Disable): After issued, the EEPROM will ignore erase and write commands. To re-enable
erase/write operations issue the EWEN command.
FIGURE 3-12:
EEPROM ERAL CYCLE
FIGURE 3-13:
EEPROM EWDS CYCLE
0
EECLK
EEDIO (INPUT)
EEDIO (OUTPUT)
EECS
10
10
t
CSL
0
EECLK
EEDIO (INPUT)
EEDIO (OUTPUT)
EECS
10
00
t
CSL



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