ST72C215G2B6
8-bit microcontrollers with 8KB Flash memory in 32-pin DIP format
Manufacturer： stm
series introduction
# Introduction to the ST72C215G2B6 Product Series
## 1. Overview
The ST72C215G2B6 product series is a remarkable offering from STMicroelectronics, a leading player in the semiconductor industry. This series of microcontrollers is designed to meet a wide range of application requirements, combining high - performance features with cost - effectiveness. These microcontrollers are based on the ST7 core, which has a proven track record of reliability and efficiency in various embedded systems.
## 2. Key Features
### 2.1 Core and Architecture
- **ST7 Core**: The ST7 core at the heart of the ST72C215G2B6 series provides a good balance between processing power and power consumption. It has a Harvard architecture, which allows for simultaneous access to program and data memory, enhancing the overall performance of the microcontroller.
- **Instruction Set**: The microcontroller supports a rich instruction set that enables efficient programming. It includes arithmetic, logical, and bit - manipulation instructions, making it suitable for a variety of algorithms and control tasks.
### 2.2 Memory
- **Program Memory**: The ST72C215G2B6 is equipped with a sufficient amount of on - chip program memory. This flash memory allows for the storage of the application code, and its non - volatile nature ensures that the program remains intact even when the power is turned off. The size of the flash memory is optimized to accommodate medium - sized applications without the need for external memory in most cases.
- **Data Memory**: There is also an adequate amount of random - access memory (RAM) available for data storage during program execution. The RAM is used for variables, buffers, and stack operations, providing the necessary workspace for the microcontroller to run applications smoothly.
### 2.3 Peripherals
- **Timer/Counters**: Multiple timer/counters are integrated into the microcontroller. These timers can be used for a variety of purposes, such as generating accurate time delays, measuring time intervals, and controlling PWM (Pulse Width Modulation) signals. PWM signals are particularly useful in applications such as motor control, where the speed and direction of a motor can be precisely controlled.
- **Serial Communication Interfaces**: The ST72C215G2B6 series offers serial communication interfaces, including UART (Universal Asynchronous Receiver - Transmitter) and SPI (Serial Peripheral Interface). UART is commonly used for communication with other devices such as computers, sensors, or displays, while SPI provides a high - speed, synchronous communication option for connecting to external devices like EEPROMs or ADCs.
- **Analog - to - Digital Converter (ADC)**: An on - chip ADC is available, which allows the microcontroller to convert analog signals from sensors into digital values. This is crucial in applications where real - world physical quantities such as temperature, pressure, or light intensity need to be measured and processed.
### 2.4 Power Management
- **Low - Power Modes**: To conserve energy, the ST72C215G2B6 microcontrollers support multiple low - power modes. In these modes, the microcontroller can reduce its power consumption significantly while still maintaining essential functions or being able to wake up quickly in response to an external event. This makes the series suitable for battery - powered applications where power efficiency is a critical factor.
## 3. Applications
### 3.1 Home Appliances
- In home appliances such as washing machines, the ST72C215G2B6 can be used to control the motor speed, water level, and temperature. The timer/counters can be used to precisely control the duration of different washing cycles, while the ADC can measure the water level and temperature sensors.
- For refrigerators, the
Images for reference
32-SDIP
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