Category : alarm

I’m following a tutorial on time interval wakeup and I’m stuck on setting the interval on minutes instead of seconds. I’m writing to the ALM0WKDAY register value 0x10 which from what i understand should set alarm to match on minutes, as specified in the chip documentantion here https://ww1.microchip.com/downloads/en/DeviceDoc/MCP7940M-Low-Cost%20I2C-RTCC-with-SRAM-20002292C.pdf, TABLE 4-5 p. 18. I’m missing something ..

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