RX-8564LC

Real time clock module Low current consumption / Small size, low profile model package I2C-Bus INTERFACE REAL TIME CLOCK MODULE RX - 8564 LC Built in frequency adjusted 32.768 kHz crystal unit. Interface Type : I2C-Bus Interface (400 kHz) Operating voltage range : 1.8 V to 5.5 V Wide Timekeeper voltage range : 1.0 V to 5.5 V / Ta = +25 °C Low backup current : 275 nA / 3.0 V(Typ.) 32.768 kHz frequency output function: C-MOS output With Control Pin The various functions include full calendar, alarm, timer, and power supply voltage monitoring function. * The I2C-Bus is a trademark of Philips Electronics N.V. Actual size Block diagram 32.768 kHz CRYSTAL OSC Voltage Detector CLKOUT CLKOE OUTPUT CONTROL DIVIDER / INT SCL SDA I2C-BUS INTERFACE POR CONTROL LOGIC ADDRESS REGISTER Control 1 00 Control 2 Seconds Minutes Hours Days Weekdays Month / Century Years Minutes Alarm Hour Alarm Day Alarm Weekday Alarm CLKOUT frequency Timer Control Timer 0F Overview Interface Type I2C hi-speed bus specifications. ( 400 kHz ) ∗ I2C-Bus slave address : read A3h and write A2h Low Timekeeper voltage 1.0 V to 5.5 V / Ta = +25 °C 1.3 V to 5.5 V / Ta = −40 °C to +85 °C 32.768 kHz frequency output function CLKOUT pin output (C-MOS output ), CL=30 pF CLKOE pin enables output on/off control. Output selectable <32.768 kHz, 1024 Hz, 32 Hz, 1 Hz> The various interrupt function Timer function can be set up between 1/4096 second and 255 mi...