ST72141K is an 8-bit MCU with electric-motor control, ADC, 16-bit timers, and SPI interface. It features 8K program memory, 256 bytes RAM, clock, reset and supply management, 14 multifunctional bidirectional I/O ports, motor control peripheral, 3 timers, SPI synchronous serial interface, and an 8-bit ADC with 8 input pins.