GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
4.4 AC Characteristics of Reset Timing
Trst
EXTRSTZ
Figure 4.1－Timing Diagram of Reset width
3V
Vcc
USB
command
2V
Extrst
500us
72ms
Figure 4.2－Timing Diagram of Power Good to USB command receive ready
Table 4.4－Reset Timing
Parameter
Description
Chip reset sense timing width
Min.
2
Unit
us
Trst
External reset valid from power up to high
T
T
1
2
500
72
us
Reset Deassertion to respond USB command ready
ms
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