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APB Real Time Clock
The Real Time Clock (RTC) is a clock-calendar IP core that keeps track of the “Time of Day”. The core is organized as a series of BCD counters that counts Seconds, Minutes, Hours, Days, Months and Years (Time Units).
The RTC seconds counter time base is generated from a clock input that is separate from the system clock. The time-base for the seconds counter is nominally 32.768 kHz. To aid in precision, there is programmable terminal count (divisor) for this clock. Calibration accuracy is controlled by software.
The RTC seconds counter time base is generated from a clock input that is separate from the system clock. The time-base for the seconds counter is nominally 32.768 kHz. To aid in precision, there is programmable terminal count (divisor) for this clock. Calibration accuracy is controlled by software.
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Block Diagram of the APB Real Time Clock
RTC IP
- 3.3V 32 KHz RTC and Programmable 100MHz Oscillator I/O Pad Set
- 3.3V 32 KHz RTC and Programmable 100MHz Oscillator I/O Pad Set
- 3.3V 32kHz RTC, 50MHz Low Power Oscillator, and Programmable 100MHz Oscillator Pad Set
- RTC Real time Clock With Oscillator Nano Power Series - TSMC 65nm
- RTC Real time Clock With Oscillator Nano Power Series - MagnaChip 350nm
- RTC Real time Clock With Oscillator Nano Power Series - TSMC 90nm