User's Manual

Smart Machine Smart Decision
SIM5320_Hardware Design_V1.01 2011-11-10
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Figure 14: Seiko XH414H-IV01E Charge-Discharge characteristic
3.2 Power on/off Time Sequence
3.2.1 Power on Sequence
SIM5320AD can be powered on by POWER_ON pin, which starts normal operating mode.
POWER_ON pin is pulled up with a 200kR resistor to 1.8V in module. User can power on the
SIM5320AD by pulling the POWER_ON pin down for a short time. The power-on scenarios are
illustrated in the following figures.