The RV-3049-C2-TA-QC-OPT.A is a Real-Time-Clock Module with embedded crystal. This RTC has 4-wire serial Interface (SPI-bus) and offers temperature compensated time. Beside standard RTC functions, it includes a backup-battery input with internal switchover function, a programmable trickle-charge circuitry, an integrated temperature sensor with digital-output and offers 8-bytes RAM and 2-bytes EEPROM for customers application. The calendar function tracks year and leap -year flags. The clock tracks second, minute and hour in 24-hour format. Programmable alarm setting and universal timer functions increase flexibility.
