AT80251G2D-SLSUM

Product Overview

• Category: Microcontroller
• Use: Embedded systems, industrial automation, consumer electronics
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low power consumption
  • Wide operating voltage range
  • Integrated peripherals for versatile applications
• Package: Surface mount package
• Essence: Advanced microcontroller for various applications
• Packaging/Quantity: Available in reels of 1000 units

Specifications

• Architecture: 8-bit
• Clock Speed: Up to 20 MHz
• Program Memory Size: 32 KB
• RAM Size: 2 KB
• Operating Voltage Range: 2.7V to 5.5V
• Digital I/O Pins: 32
• Analog Input Channels: 8
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• Interrupt Sources: External and internal
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT80251G2D-SLSUM microcontroller has a total of 40 pins. The pin configuration is as follows:

1. VCC
2. GND
3. P0.0
4. P0.1
5. P0.2
6. P0.3
7. P0.4
8. P0.5
9. P0.6
10. P0.7
11. RST
12. P1.0
13. P1.1
14. P1.2
15. P1.3
16. P1.4
17. P1.5
18. P1.6
19. P1.7
20. XTAL1
21. XTAL2
22. P2.0
23. P2.1
24. P2.2
25. P2.3
26. P2.4
27. P2.5
28. P2.6
29. P2.7
30. ALE/PROG
31. PSEN
32. EA/VPP
33. P3.0/RXD
34. P3.1/TXD
35. P3.2/INT0
36. P3.3/INT1
37. P3.4/T0
38. P3.5/T1
39. P3.6/WR
40. P3.7/RD

Functional Features

• High-performance 8-bit microcontroller with a clock speed of up to 20 MHz.
• Low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range allows flexibility in various power supply configurations.
• Integrated peripherals such as UART, SPI, and I2C enable seamless communication with other devices.
• Three timers/counters provide precise timing and event control.
• Multiple interrupt sources allow efficient handling of external and internal events.

Advantages and Disadvantages

Advantages: - High-performance capabilities for demanding applications. - Versatile integrated peripherals enhance functionality. - Low power consumption extends battery life. - Wide operating voltage range increases flexibility. - Ample program memory and RAM for complex tasks.

Disadvantages: - Limited bit width (8-bit) may not be suitable for certain high-end applications. - Relatively small number of digital I/O pins compared to some other microcontrollers. - Lack of advanced features found in more modern microcontrollers.

Working Principles

The AT80251G2D-SLSUM microcontroller is based on an 8-bit architecture. It executes instructions stored in its program memory to perform various tasks. The clock speed determines the rate at which instructions are executed. The microcontroller interacts with external devices through its digital I/O pins and communication interfaces.

Detailed Application Field Plans

The AT80251G2D-SLSUM microcontroller finds applications in a wide range of fields, including:

1. Embedded systems: Used in industrial automation, home automation, and automotive systems.
2. Consumer electronics: Powering devices such as smart appliances, remote controls, and gaming consoles.
3. Internet of Things (IoT): Enabling connectivity and control in IoT devices.
4. Robotics: Controlling robot movements and interactions.
5. Medical devices: Used in monitoring equipment, diagnostic tools, and implantable devices.

Detailed and Complete Alternative Models

1. ATmega328P: A popular 8-bit microcontroller with similar features and capabilities.
2. PIC16F877A: Another widely used 8-bit microcontroller with a different architecture.
3. STM32F103C8T6: A 32-bit