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LAN9312 Datasheet(PDF) 453 Page - SMSC Corporation

Part # LAN9312
Description  High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
PDF  458 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9312 Datasheet(HTML) 453 Page - SMSC Corporation

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
453
Revision 1.2 (04-08-08)
DATASHEET
15.5.10
Microwire Timing
This section specifies the Microwire EEPROM interface timing requirements. Please refer to Section
10.2.3, "Microwire EEPROM," on page 144 for a functional description of this serial interface.
Figure 15.10 Microwire Timing
Table 15.14 Microwire Timing Values
SYMBOL
DESCRIPTION
MIN
TYP
MAX
UNITS
tckcyc
EECLK cycle time
1110
1130
nS
tckh
EECLK high time
550
570
nS
tckl
EECLK low time
550
570
nS
tcshckh
EECS high before rising edge of EECLK
1070
nS
tcklcsl
EECLK falling edge to EECS low
30
nS
tdvckh
EEDO valid before rising edge of EECLK
550
nS
tckhdis
EEDO disable after rising edge of EECLK
550
nS
tdsckh
EEDI setup to rising edge of EECLK
90
nS
tdhckh
EEDI hold after rising edge of EECLK
0
nS
tckldis
EECLK low to EEDO data disable
580
nS
tcshdv
EEDI valid after EECS high (VERIFY)
600
nS
tdhcsl
EEDI hold after EECS low (VERIFY)
0
nS
tcsl
EECS low
1070
nS
EECLK
EEDO
EEDI
EECS
tckldis
tcshckh
EEDI (VERIFY)
tckh
tckl
tckcyc
tcklcsl
tcsl
tdvckh tckhdis
tdsckh
tdhckh
tdhcsl
tcshdv



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