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LAN9730 Datasheet, PDF (56/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0
High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
RXCLK
(INPUT)
RXD[3:0]
(INPUT)
thold
RXDV, RXER
(INPUT)
tclkp
tclkh tclkl
tsu thold
tsu thold
thold
tsu
Figure 6.9 Turbo MII Receive Timing
Table 6.21 Turbo MII Receive Timing Values
SYMBOL
tclkp
tclkh
tclkl
tsu
thold
DESCRIPTION
RXCLK period
RXCLK high time
RXCLK low time
RXD[3:0], RXDV setup time to rising edge of
RXCLK
RXD[3:0], RXDV hold time after rising edge of
RXCLK
MIN
20
tclkp*0.4
tclkp*0.4
5.5
0
MAX
tclkp*0.6
tclkp*0.6
UNITS
ns
ns
ns
ns
NOTES
Note 6.14
ns
Note 6.14
Note 6.14 Timing was designed for a system load between 10 pf and 15 pf.
Revision 1.1 (05-13-13)
56
DATASHEET
SMSC LAN9730/LAN9730i