RX-4571SA

Real time clock module LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE RX - 4571 LC / NB / SA Built in frequency adjusted 32.768 kHz crystal unit. Interface Type : 3-wire serial interface Operating voltage range : 1.6 V to 5.5 V Wide Timekeeper voltage range : 1.0 V to 5.5 V / Ta = +25 °C Low backup current : 0.32 µA ( Typ. ) / 3 V 32.768 kHz frequency output function : C-MOS output With Control Pin Real-time clock function Clock/calendar function, auto leap year correction function, alarm interrupt function, etc. Actual size RX-4571LC Epson Toyocom Product Number (Please contact us) RX-4571LC : Q414571C1000100 RX-4571NB : Q41457191000100 RX-4571SA : Q41457151000100 RX-4571NB RX-4571SA Block diagram Overview FOUT FOE / IRQ DIO CLK CE 32.768 kHz OSC DIVIDER FOUT CONTROLLER INTERRUPTS CONTROLLER BUS INTERFACE CIRCUIT CONTROL LINE CLOCK and CALENDAR TIMER REGISTER ALARM REGISTER CONTROL REGISTER and SYSTEM CONTROLLER 32.768 ...