SPI Real time clock/calendar
PCF2123 1. General description The PCF2123 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power applications. Data is transferred serially via a Serial
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SPI Real time clock/calendar
PCF2123 1. General description The PCF2123 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power applications. Data is transferred serially via a Serial