USB3250 Standard Microsystems Corporation, USB3250 Datasheet - Page 44

• Manufacturer Part Number: USB3250
• Description: Usb2.0 PHY IC
• Manufacturer: Standard Microsystems Corporation

Revision 1.5 (03-24-06)
T2 (HS Reset T0)
PARAMETER
XCVRSELECT
TERMSELECT
TIMING
Device Reset
T0
T1
DP/DM
V
time
BUS
Vbus Valid.
Maximum time from Vbus valid to when the device
must signal attach.
Debounce interval. The device now enters the HS
Detection Handshake protocol.
T0
Table 8.10 Attach and Reset Timing Values
Figure 8.8 Device Attach Behavior
DESCRIPTION
DATASHEET
T1
44
Idle (FS 'J')
0 (reference)
T0 + 100ms < T1
T1 + 100ms < T2
SMSC GT3200, SMSC USB3250
T2
HS Detection
Handshake
VALUE
SE0
USB2.0 PHY IC
Datasheet