LAN9303MI-AKZE Datasheet, PDF (374/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
14.5.6
Turbo MII Interface Timing (MAC Mode)
This section specifies the Turbo MII interface input and output timing when in MAC mode. Please refer
to Chapter 9, "MII Data Interfaces," on page 129 for additional details.
Px_OUTCLK
(input)
t_clkp
t_clkh t_clkl
t_val
t_val
t_hold
Px_OUTD[3:0]
t_hold
t_val
Px_OUTDV
Figure 14.8 Turbo MII Output Timing (MAC Mode)
Table 14.13 Turbo MII Output Timing Values (MAC Mode)
SYMBOL
DESCRIPTION
t_clkp
Px_OUTCLK period
t_clkh
Px_OUTCLK high time
t_clkl
Px_OUTCLK low time
t_val
Px_OUTD[3:0], Px_OUTDV output valid from
rising edge of Px_OUTCLK
t_hold
Px_OUTD[3:0], Px_OUTDV output hold from
rising edge of Px_OUTCLK
MIN
20
t_clkp*0.4
t_clkp*0.4
MAX
t_clkp*0.6
t_clkp*0.6
11.0
UNITS NOTES
ns
ns
ns
ns Note 14.16
2.0
ns Note 14.16
Note 14.16 Timing was designed for system load between 10pf and 15 pf.
Revision 1.5 (07-08-11)
374
DATASHEET
SMSC LAN9303M/LAN9303Mi