PCF2128 rtc/tcxo/crystal equivalent, integrated rtc/tcxo/crystal.
512 bytes of general purpose RAM, a programmable watchdog, a time stamp facility and a voltage monitoring facility. Programming is possible using either an SPI or an I2C-.
the high accuracy of the PCF2128 allows it to be used as a replacement for costly and higher powered long wave receivers.
The PCF2128 is a ready to run CMOS real time clock/calendar with an integrated temperature compensated crystal oscillator (TCXO). In timekeeping applications the high accuracy of the PCF2128 allows it to be used as a replacement for costly and higher.
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