REAL TIME CLOCK MODULE (SPI-Bus)

• Built in frequency adjusted 32.768 kHz crystal unit.
• Interface Type : 3-wire serial interface
• Operating voltage range : 1.6Vto5.5V
• Wide Timekeeper voltage range : 1.6Vto5.5V
• Low backup current : 0.5μA/3V(Typ.)
• 32.768 kHz frequency output function : C-MOS output With Control Pin
• The various functions include full calendar, alarm, timer.