8 KB Flash, 16 MHz — the EnergyLite workhorse for battery-duty
The STM8L151F3U6DTR is an 8-bit microcontroller from ST's STM8L EnergyLite series, built around the STM8 core and clocked at 16 MHz. Housed in a 20-pin UFQFN package measuring 3x3 mm, it saves board area where every square millimetre counts.
18 I/O and 10-channel ADC — peripheral reach in a small footprint
With 18 general-purpose I/O pins and a 10-channel 12-bit ADC on board, this MCU handles sensor readout, button/switch inputs, and simple display or actuator control without external ADC chips.
This is a standard, factory-supported part — no LTB risk, no forced redesign for the foreseeable future.
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