Real-time clock provides event detect, time-stamp function, and InterSeal battery saver technology; consumes 400 nA at 3.0 V; features 15 selectable frequency, 2 bytes of battery-backed user SRAM, and ...
Keeping track of time is essential, even for microcontrollers, which is why a real-time clock (RTC) peripheral is a common feature in MCUs. In the case of the STM32 family there are three varieties of ...