RX8901CEXBA0中文資料愛普生數據手冊PDF規(guī)格書

? Built in frequency adjusted 32.768 kHz crystal unit and DTCXO

? Interface Type : I2C-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