STMicroelectronics ST72251G2M1 Microcontroller

The ST72251G2M1 is a versatile 8-bit microcontroller from STMicroelectronics that combines high-performance processing with a range of integrated features designed to support a variety of applications. This microcontroller is part of the ST7 family, which is known for its robust architecture, enhanced instruction set, and low power consumption.

At the core of the ST72251G2M1 is an industry-standard 8-bit CPU operating at up to 8 MHz, which provides the computational power necessary for complex tasks. The device comes with 2KB of on-chip Flash/EPROM program memory, ensuring ample space for application code, which can be updated in-system for maximum flexibility. The 128 bytes of true EEPROM data memory are ideal for storing critical data that must be preserved across power cycles.

With its 64 bytes of RAM, the ST72251G2M1 can handle data-intensive operations, making it suitable for applications such as industrial control systems, home appliances, automotive subsystems, and consumer electronics. The microcontroller also features a wide range of peripherals including:

• 10-bit Analog-to-Digital Converter (ADC) with up to 5 multiplexed channels, enabling the microcontroller to interface with analog sensors and convert their signals into digital information.
• Two 16-bit Timer/Counters with PWM capability, providing precise timing and control for tasks such as motor control or waveform generation.
• SCI (Serial Communications Interface) and SPI (Serial Peripheral Interface) for full-duplex communication with other devices, facilitating complex data exchanges and connectivity.
• An I2C bus interface for multi-master communication, which is essential for creating connected systems with multiple microcontrollers or peripherals.

The ST72251G2M1 is designed with power efficiency in mind, offering several power-saving modes, including Halt and Active-Halt, to reduce power consumption when the microcontroller is idle or performing low-power tasks. Additionally, the device is equipped with an on-chip watchdog timer, which helps to ensure system reliability by resetting the microcontroller in case of software errors or malfunctions.

Overall, the ST72251G2M1 from STMicroelectronics is a powerful and reliable microcontroller that offers a balanced mix of performance, integrated features, and energy efficiency, making it an excellent choice for a wide range of embedded systems.