RTC-4574SA Overview
Real time clock module SERIAL-INTERFACE REAL TIME CLOCK MODULE .. RTC - 4574 SA / JE / NB 32.768 kHz CONTROL LINE CLOCK and CALENDAR Overview • 32.768 kHz frequency output function • FOUT pin output (C-MOS output ), CL=30 pF • Output frequency selectable from1/30 Hz to 32.768 kHz (32 Values) OSC DIVIDER FOUT FCON / TIRQ / AIRQ DATA CLK CE 1 CE 0 • Timer function OUTPUT CONTROLLER INTERRUPTS CONTROLLER BUS INTERFACE CIRCUIT SHIFT REGISTER ALARM REGISTER CONTROL REGISTER TIMER REGISTER • Timer function can be set upbetween 1/4096 second and 255 minutes. • It is recorded automatic to TF-bit at the time of event occurrence,and possible to output with /TIRQ pin output (open-drain output). • Selectable one time mode or repeat mode. • Alarm function • Alarm function can be set to any bination of day of week, hour, or minute. • It is recorded automatic to AF-bit at the time of event...