RX-8571NB Datasheet | EPSON Electronics

Real time clock module REAL TIME CLOCK MODULE (I2C-Bus) Low current consumption Product Number (Please contact us) RX-8571SA : X1B000072xxxx00 RX-8571NB : X1B000062xxxx00 RX-8571LC : X1B000052xxxx00 - 8571SA/NB/LC - Built-in frequency adjusted 32.768k Hz crystal unit. - Interface Type : I2C-Bus Interface(400k Hz) - Operating voltage range : 1.6V to5.5V - Wide Timekeeper voltage range : 1.3Vto5.5V - Low backup current : 220n A/3V(Typ.) - 32.768 k Hz frequency output function : C-MOS output With Control Pin - User RAM : 128 bit - The various functions include full calendar, alarm, timer,etc. (Long-running timer : 65535 hours) - The I2C-Bus is a trademark of NXP Semiconductors Actual size RX-8571SA RX-8571NB RX-8571LC Block diagram ( 32.768 k Hz ) Overview - 32.768 k Hz frequency output function - FOE pin enable output on/off control. - Output frequency can be selected as 32.768 k Hz, 1024 Hz, 1 Hz. - Timer Function -  Timer function can be set up between 1/4096 second and 65535 hours. -  Timing period are 1 h, 1 min, 64 Hz, 4096 Hz. - It is recorded automatically to TF-bit at the time of event occurs, and possible to output with /IRQ pin output. - Alarm function -  Alarm function can be set to day of week, day, hour, or minute. - It is recorded automatically to AF-bit at the time of event occurs, and possible to output with /IRQ pin output. -  Built-in RAM - 128 bit (16 word x 8...