EVB9303 SMSC, EVB9303 Datasheet - Page 361

• Manufacturer Part Number: EVB9303
• Description: EVALUATION BOARD FOR LAN9303
• Manufacturer: SMSC

Specifications of EVB9303

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: LAN9303
• Primary Attributes: 3 Ports, 100BASE-TX/10BASE-T, Managed
• Secondary Attributes: Full Duplex and HP Auto-MDIX Support, 10BASE-T and 100BASE-TX
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1095

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
SMSC LAN9303/LAN9303i
14.5.8
SYMBOL
P0_OUTD[1:0]
t
t
t
t
ohold
t
ihold
t
P0_OUTCLK
clkp
clkh
t
clkl
val
su
P0_IND[1:0]
P0_OUTDV
P0_INDV
(output)
RMII Interface Timing
This section specifies the RMII interface timing for P0_OUTCLK input and output modes. Please refer
to
Note 14.20 Timing was designed for system load between 10 pf and 25 pf.
P0_OUTCLK period
P0_OUTCLK high time
P0_OUTCLK low time
P0_OUTD[1:0], P0_OUTDV output valid from
rising edge of P0_OUTCLK
P0_OUTD[1:0], P0_OUTDV output hold from
rising edge of P0_OUTCLK
P0_IND[1:0], P0_INDV setup time to rising edge
of P0_INCLK
P0_IND[1:0], P0_INDV input hold time after
rising edge of P0_INCLK
Chapter 9, "MII Data Interface," on page 121
Table 14.17 RMII P0_OUTCLK Output Mode Timing Values
Figure 14.12 RMII P0_OUTCLK Output Mode Timing
DESCRIPTION
t
ihold
t
ohold
t
su
DATASHEET
t
t
ihold
t
val
clkh
361
t
clkp
for additional details.
t
clkl
t
su
t
t
clkp
clkp
MIN
t
2.0
4.0
1.5
20
t
ihold
*0.4
*0.4
val
t
t
clkp
clkp
MAX
14.0
*0.6
*0.6
t
t
ohold
ihold
UNITS
Revision 1.4 (07-07-10)
ns
ns
ns
ns
ns
ns
ns
t
val
t
su
Note 14.20
Note 14.20
Note 14.20
Note 14.20
NOTES