Timekeeping, CLKOUT and Power Management Application for the PCF2129AT TCXO

Timekeeping, CLKOUT and Power Management Application for the PCF2129AT TCXO. The PCF212xAT is a CMOS Real Time Clock (RTC) and calendar IC with an integrated Temperature Compensated crystal (Xtal) Oscillator (TCXO) based on an integrated 32.768 kHz tuning fork quartz crystal optimized for very high accuracy and very low power consumption