AT80251G2D-SLSUL

Product Overview

• Category: Microcontroller
• Use: Embedded systems, industrial automation, consumer electronics
• Characteristics: High-performance, low-power consumption, versatile
• Package: Surface Mount Technology (SMT)
• Essence: Advanced microcontroller with integrated peripherals
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Architecture: 8-bit
• Clock Speed: 20 MHz
• Flash Memory: 32 KB
• RAM: 2 KB
• Operating Voltage: 2.7V to 5.5V
• I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• Analog-to-Digital Converter: 10-bit, 8 channels
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT80251G2D-SLSUL 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 advanced architecture
• Low-power consumption for energy-efficient applications
• Versatile I/O capabilities for interfacing with various devices
• Integrated communication interfaces for seamless connectivity
• On-chip timers/counters for precise timing operations
• Analog-to-digital converter for sensor interfacing
• Robust operating temperature range for industrial environments

Advantages and Disadvantages

Advantages

• Powerful processing capabilities for demanding applications
• Low power consumption extends battery life in portable devices
• Wide range of communication interfaces simplifies integration
• Ample memory for storing program code and data
• Versatile I/O pins enable flexible system design
• Reliable operation in harsh environmental conditions

Disadvantages

• Limited processing power compared to higher-bit microcontrollers
• Restricted memory capacity for large-scale applications
• Higher cost compared to lower-end microcontrollers
• Steeper learning curve for beginners due to complex architecture

Working Principles

The AT80251G2D-SLSUL microcontroller operates based on the principles of a Harvard architecture. It executes instructions fetched from its flash memory using an internal clock. The processor core performs arithmetic and logical operations, while the integrated peripherals handle various tasks such as communication, timing, and analog-to-digital conversion. The microcontroller interacts with external devices through its I/O pins, enabling it to control and monitor the connected system.

Detailed Application Field Plans

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

1. Industrial Automation: Control systems, robotics, process monitoring
2. Consumer Electronics: Home appliances, smart devices, wearable technology
3. Automotive: Engine management, dashboard displays, infotainment systems
4. Medical Devices: Patient monitoring, diagnostic equipment, medical imaging
5. Internet of Things (IoT): Smart home automation, environmental sensing, asset tracking

Alternative Models

For those seeking alternative microcontrollers with similar capabilities, the following models can be considered:

1. ATmega328P: 8-bit microcontroller with 32 KB flash memory and 2 KB RAM
2. PIC16F877A: 8-bit microcontroller with 14 KB flash memory and 368 bytes RAM
3. STM32F103C8T