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L830-EB-11 Hardware User Manual
Page 20 of 39
Figure 3-7 Shutdown Timing Control
Index
Minimum
Typical
Notes
t
pd
10ms
100ms
The time for+3.3 V delay time of shutdown.If + 3.3 V keeps
constant supply, the delay time can be ignored.
t
off
10ms
100ms
The time difference between the RESET # signal and the
FULL_CARD_POWER_OFF # signal.
3.3.3 Module Reset
The L830 module can reset to its initial status by pulling down the RESET# signal for more than 20ms
(100ms is recommended), and the module will restart after the RESET# signal is released. When the
customer executes RESET# function, the PMU remains its power inside the module. The recommended
circuit design is shown in the Figure 3-8:
Figure 3-8 Recommended Design for Reset Circuit
The reset control timing is shown in Figure 3-9: