LAN9218I-MT 查看數據表（PDF） - SMSC -> Microchip

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LAN9218I-MT

High-Performance Single Chip 10/100 Ethernet Controller with HP Auto-MDIX & Industrial Temperature Support

SMSC -> Microchip 

6.9

High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX & Industrial Temperature Support

Datasheet

EEPROM Timing

The following specifies the EEPROM timing requirements for the LAN9218I

Figure 6.7 EEPROM Timing

Table 6.10 EEPROM Timing Values

SYMBOL

tCKCYC

tCKH

tCKL

tCSHCKH

tCKLCSL

tDVCKH

tCKHDIS

tDSCKH

tDHCKH

tCKLDIS

tCSHDV

tDHCSL

tCSL

DESCRIPTION

EECLK Cycle time

EECLK High time

EECLK Low time

EECS high before rising edge of EECLK

EECLK falling edge to EECS low

EEDIO valid before rising edge of EECLK

(OUTPUT)

EEDIO disable after rising edge EECLK

(OUTPUT)

EEDIO setup to rising edge of EECLK (INPUT)

EEDIO hold after rising edge of EECLK

(INPUT)

EECLK low to data disable (OUTPUT)

EEDIO valid after EECS high (VERIFY)

EEDIO hold after EECS low (VERIFY)

EECS low

MIN

1110

550

550

1070

30

550

550

90

0

580

0

1070

TYP

MAX

1130

570

570

600

UNITS

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Revision 1.5 (07-18-06)

124

DATASHEET

SMSC LAN9218I

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