资 源 简 介
This application brief describes an “environmentally friendly” way to back up time and data on the M41T56 TIMEKEEPERÒ device. Typically most systems use a battery to supply the energy source required to maintain data, and keep the real time clock section of the M41T56 running during a power supply outage. Disposing of the battery after it is depleted however can pose environmental concerns. In systems that only experience short power outages. Typically less than two days. Using a super cap can provide an alternative solution to using a battery.
