AT89C51SND2C-7FTUL

Product Overview

Category: Microcontroller
Use: Embedded Systems
Characteristics: High-performance, low-power, 8-bit microcontroller
Package: 44-TQFP (Thin Quad Flat Package)
Essence: AT89C51SND2C-7FTUL is a microcontroller designed for embedded systems with high performance and low power consumption. It belongs to the AT89C series of microcontrollers manufactured by Atmel Corporation.
Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 33 MHz
• Program Memory Size: 64 KB Flash
• Data Memory Size: 2 KB RAM
• Operating Voltage Range: 4.5V to 5.5V
• Number of I/O Pins: 32
• Timers/Counters: 3
• Serial Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT89C51SND2C-7FTUL microcontroller has a total of 44 pins. The pin configuration is as follows:

1. P1.0
2. P1.1
3. P1.2
4. P1.3
5. P1.4
6. P1.5
7. P1.6
8. P1.7
9. RST
10. P3.0
11. P3.1
12. P3.2
13. P3.3
14. P3.4
15. P3.5
16. P3.6
17. P3.7
18. XTAL1
19. XTAL2
20. GND
21. VCC
22. ALE/PROG
23. PSEN
24. EA/VPP
25. P2.0
26. P2.1
27. P2.2
28. P2.3
29. P2.4
30. P2.5
31. P2.6
32. P2.7
33. AVCC
34. ADC0
35. ADC1
36. ADC2
37. ADC3
38. ADC4
39. ADC5
40. ADC6
41. ADC7
42. AGND
43. AVREF
44. P0.0

Functional Features

• High-performance 8-bit microcontroller suitable for embedded systems.
• Low-power consumption, making it ideal for battery-powered applications.
• Large program memory size of 64 KB Flash, allowing for complex applications.
• Ample data memory size of 2 KB RAM for storing variables and temporary data.
• Multiple serial communication interfaces (UART, SPI, I2C) for easy integration with other devices.
• Built-in analog-to-digital converter (ADC) with 8 channels and 10-bit resolution for precise analog measurements.
• Three timers/counters for various timing and control operations.
• Wide operating voltage range of 4.5V to 5.5V, providing flexibility in power supply options.

Advantages and Disadvantages

Advantages: - High-performance and low-power consumption. - Ample program and data memory sizes. - Multiple serial communication interfaces for easy integration. - Built-in analog-to-digital converter for precise analog measurements. - Wide operating voltage range.

Disadvantages: - Limited number of I/O pins (32). - Limited number of timers/counters (3).

Working Principles

The AT89C51SND2C-7FTUL microcontroller operates based on the Von Neumann architecture. It consists of a central processing unit (CPU), program memory, data memory, and various peripherals. The CPU fetches instructions from the program memory, executes them, and stores the results in the data memory or sends them to the peripherals.

The microcontroller can be programmed using high-level languages such as C or assembly language. The program is stored in the Flash memory and can be modified or updated as needed. The microcontroller interacts with external devices through its I/O pins and serial communication interfaces.

Detailed Application Field Plans

The AT89C51SND2C-7FTUL microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems, monitoring devices, and data acquisition systems.
2. Consumer Electronics: Home appliances, audio/video equipment, and remote controls.