The document describes the features and characteristics of the ST72141K 8-bit MCU, including electric-motor control, ADC, 16-bit timers, SPI interface, etc.
The ST72141K is an 8-bit microcontroller designed specifically for electric motor control applications. It features an on-chip Motor Controller peripheral capable of controlling brushless motors with or without sensors, including 6 PWM output channels and rotor position detection via 3 analog inputs. The device also includes an 8-bit ADC, two 16-bit timers, and an SPI synchronous serial interface.
| Program memory | 8K bytes |
|---|---|
| RAM (stack) | 256 bytes |
| Operating Supply | 2.5V to 5.5V |
| CPU Frequency | 4 or 8 MHz |
| Operating Temperature | -40°C to +85°C / -40°C to +125°C |
| Packages | S034 / SDIP32 |
| PWM output channels | 6 |
| Analog inputs for rotor position | 3 |
The device operates with a supply voltage between 2.7V and 5.5V.
The device can operate in temperatures from -40°C to +125°C.
The motor control peripheral provides 6 PWM output channels.