RX4901CEXBA0中文資料愛普生數(shù)據(jù)手冊PDF規(guī)格書

? Built in frequency adjusted 32.768 kHz crystal unit and DTCXO

? Interface Type : 3 wire / 4 wire SPI-Bus

?Current consumption : 240 nA / 3 V (Typ.)

?Auto power switching function : Automatically switches to backup power supply

by monitoring the VDD / VBAT voltage

?Time stamp function : Maximum 32 time stamps

?Interrupt output : Wake up every hour or every minute or every second

?Alarm interruption : Day, date, hour, minute, second

?Auto repeat wakeup timer interruption

?Self-monitoring interruption : Crystal oscillation stop, VBAT low, VDD low