User's Manual

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L850-GL Hardware User Manual Page
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Figure 3-6 Software Shutdown Timing Control
After the software shutdown, the FUL_CARD_POWER_OFF # pin will remain high which prevents the
module from restarting again. Toenable the next restart, the FUL_CARD_POWER_OFF#pin should be
pulled low after shutting down.
Note:
The VSD2_1V8 signal is the internal PMU 1.8V output voltage which is not connected to the M.2
interface. The above timing of VSD2_1V8 is only for reference.
3.3.3 Module Reset
The L850 module can reset to its initial status by pulling down the RESET# signal for more than 10ms
(100msis 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 3-7:
Figure 3-7 Recommended Design for Reset Circuit
The reset control timing is shown in Figure 3-8: