EVB9221-MINI SMSC, EVB9221-MINI Datasheet - Page 139
EVB9221-MINI
Manufacturer Part Number
EVB9221-MINI
Description
EVALUATION BOARD LAN9221-ABZJ
Manufacturer
SMSC
Datasheet
1.LAN9221-ABZJ.pdf
(152 pages)
Specifications of EVB9221-MINI
Main Purpose
Interface, Ethernet Controller (PHY and MAC)
Embedded
No
Utilized Ic / Part
LAN9221
Primary Attributes
1 Port, 100BASE-TX/10BASE-T
Secondary Attributes
16-Bit, HP Auto-MDIX, Full and Half Duplex Support, 32-Bit CRC
Processor To Be Evaluated
LAN9221
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1074
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High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
SMSC LAN9221/LAN9221i
6.11
SYMBOL
t
t
t
t
CSHCKH
t
t
t
t
t
t
CKLCSL
CKHDIS
DHCKH
CKLDIS
CKCYC
DVCKH
DSCKH
CSHDV
DHCSL
t
t
t
CKH
CKL
CSL
The following specifies the EEPROM timing requirements for the LAN9221/LAN9221i:
EEPROM Timing
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
DESCRIPTION
Table 6.11 EEPROM Timing Values
Figure 6.10 EEPROM Timing
DATASHEET
139
1070
1070
1110
MIN
550
550
550
550
580
30
90
0
0
TYP
MAX
1130
570
570
600
Revision 2.7 (03-15-10)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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