NetTimeLogic’s RTC Master Clock is a full hardware (FPGA) only implementation of a synchronization core allowing to read and write a I2C Realtime Clock (RTC) like the DS1307 or MCP7941x. Access to the ...

Interfaces are important too, as implementing an RTC in an already-existing design may necessitate part choice due to the availability of I2C or SPI. Budget is not commonly a problem for the home ...

Most of these RTC modules communicate using the I2C bus, which means wiring up 3.3V, GND and the I2C SCL/SDA lines. Note that we’d already have a potential conflict here if using the soft power ...