LAN9303i SMSC [SMSC Corporation], LAN9303i Datasheet - Page 361
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LAN9303i
Manufacturer Part Number
LAN9303i
Description
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN9303I.pdf
(366 pages)
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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 1.3 (08-27-09)
ns
ns
ns
ns
ns
ns
ns
t
val
t
su
Note 14.20
Note 14.20
Note 14.20
Note 14.20
NOTES
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