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LAN9730 Datasheet(PDF) 93 Page - Microchip Technology

Part # LAN9730
Description  High-Speed Inter-Chip USB 2.0 to 10/100 Ethernet Controller
PDF  222 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9730 Datasheet(HTML) 93 Page - Microchip Technology

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 2012-2015 Microchip Technology Inc.
DS00001946A-page 93
LAN9730/LAN9730i
READ (Read Location): This command will cause a read of the EEPROM location pointed to by EPC Address
(EPC_ADDR). The result of the read is available in the E2P_DATA register.
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 30 ms.
FIGURE 4-25:
EEPROM READ CYCLE
FIGURE 4-26:
EEPROM WRITE CYCLE
READ CYCLE
1
10
A6
EECS
EECLK
EEDIO (OUTPUT)
A0
D7
D0
EEDIO (INPUT)
tCSL
WRITE CYCLE
0
EECLK
EEDIO (INPUT)
EEDIO (OUTPUT)
EECS
11
A6
A0
D7
D0
tCSL



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