hardware design v1.00

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Smart Machine Smart Decision
SIM968_Hardware Design_V1.00 2013.02.25
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re 15: RTC supply from capacitor
z Non-chargeable battery for RTC
Figu
Figure 16: RTC supply from non-chargeable battery
z Rechargeable battery for RTC
Figure 17: RTC supply from rechargeable battery
Coin-type rechargeable battery is recommended, such as XH414H-IV01E from Seiko can be used.
Typical charge-discharge curves for this battery are shown in the following figure.
Figure 18: Seiko XH414H-IV01E charge-discharge characteristic