PaulHolland
Advanced Member level 2
The C8051F9xx is the industry’s first MCU family capable of full-spec operation down to 0.9 V and up to 3.6 V, enabling single-cell battery operation as well as dramatically increasing battery life for dual-cell applications.
https://www.silabs.com/tgwWebApp/pu...lers/LowVoltage_LowPower/en/lowvoltagemcu.htm
https://www.silabs.com/tgwWebApp/pu...lers/LowVoltage_LowPower/en/lowvoltagemcu.htm