It carries 128 KB of program Flash and 6 KB of RAM, with an additional 2 KB of EEPROM for nonvolatile parameter storage. The core runs at 24 MHz, which is enough throughput for most industrial control loops, sensor fusion, and motor commutation tasks. On-chip peripherals include a 16-channel 10-bit ADC, multiple PWM outputs, and a watchdog timer — all standard for this class of part.
The supply range runs from 2.95 V to 5.5 V, which means you can drop this into a 3.3 V system or a legacy 5 V bus without a level translator on the I/O. With 52 I/O lines available, there is enough headroom for parallel LCD data buses, keypad matrices, and multiple serial interfaces.
Package and footprint — 64-LQFP, no hot-air needed
Housed in a 64-LQFP with a 10x10 mm body, this is a hand-solderable package if you have a fine tip and steady hands. No BGA rework station required; a standard reflow profile or even a hot plate will get it down. The supplier device package is 64-LQFP (10x10), so the footprint is well-documented and common across the STM8S series.