Small Footprint Hi-Speed USB 2.0 Device PHY with UTMI Interface
Datasheet
Revision 1.5 (11-02-07)
40
SMSC USB3290
DATASHEET
Figure 8.8 Device Attach Behavior
Table 8.10 Attach and Reset Timing Values
TIMING
PARAMETER
DESCRIPTION
VALUE
T0
Vbus Valid.
0 (reference)
T1
Maximum time from Vbus valid to when the device
must signal attach.
T0 + 100ms < T1
T2
(HS Reset T0)
Debounce interval. The device now enters the HS
Detection Handshake protocol.
T1 + 100ms < T2