Datasheet

Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
Revision 1.0 (11-01-10) 50 SMSC LAN7500/LAN7500i
DATASHEET
7.5.4 Reset Timing
Figure 7.3 illustrates the nRESET pin timing requirements. When used, nRESET must be asserted for
no less than t
rstia
.
Note: A hardware reset (nRESET assertion) is required following power-on. Refer to Section 7.5.3,
"Power-On Reset Timing," on page 49 for additional information.
Figure 7.4 nRESET Timing
Table 7.17 nRESET Timing Values
SYMBOL DESCRIPTION MIN TYP MAX UNITS
t
rstia
nRESET input assertion time 1 μS
nRESET
t
rstia