Installation Instructions

SIM5216A _HD_V1.02 Hardware Design
SIM5216A _HD_V1.02 26.08.2010
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Figure 8: RTC supply from non-chargeable battery
Figure 9: RTC supply from rechargeable battery
Figure 10: RTC supply from capacitor
z Li-battery backup
Rechargeable Lithium coin cells are also small in size, but have higher capacity than the double
layer capacitors resulting in longer backup times. The coin cell normal voltage should be 3.0V.