LAN9313I SMSC [SMSC Corporation], LAN9313I Datasheet - Page 392

• Manufacturer Part Number: LAN9313I
• Description: Three Port 10/100 Managed Ethernet Switch with MII
• Manufacturer: SMSC [SMSC Corporation]

Revision 1.2 (04-08-08)
14.5.4
SYMBOL
EEDI (VERIFY)
t
t
t
t
t
t
t
cshckh
t
t
t
ckhdis
dvckh
dsckh
dhckh
cshdv
ckcyc
cklcsl
ckldis
t
dhcsl
t
t
ckh
ckl
csl
EECLK
Microwire Timing
This section specifies the Microwire EEPROM interface timing requirements. Please refer to
8.2.3, "Microwire EEPROM," on page 108
EEDO
EECS
EEDI
EECLK cycle time
EECLK high time
EECLK low time
EECS high before rising edge of EECLK
EECLK falling edge to EECS low
EEDO valid before rising edge of EECLK
EEDO disable after rising edge of EECLK
EEDI setup to rising edge of EECLK
EEDI hold after rising edge of EECLK
EECLK low to EEDO data disable
EEDI valid after EECS high (VERIFY)
EEDI hold after EECS low (VERIFY)
EECS low
t
cshckh
DESCRIPTION
Table 14.8 Microwire Timing Values
t
Figure 14.4 Microwire Timing
cshdv
t
ckh
t
t
dsckh
ckcyc
DATASHEET
t
dvckh
t
ckl
392
for a functional description of this serial interface.
t
ckhdis
t
dhckh
1070
1070
Three Port 10/100 Managed Ethernet Switch with MII
1110
MIN
550
550
550
550
580
30
90
0
0
t
ckldis
t
cklcsl
t
TYP
dhcsl
SMSC LAN9313/LAN9313i
t
csl
MAX
1130
570
570
600
Datasheet
UNITS
Section
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS