AT89S52-24AU

Product Overview

Category

AT89S52-24AU belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control systems.

Characteristics

• High-performance 8-bit microcontroller
• Low-power consumption
• Flash memory for program storage
• In-system programmable
• 40-pin DIP package

Package and Quantity

The AT89S52-24AU is available in a 40-pin DIP (Dual Inline Package) format. It is typically sold in quantities of one unit per package.

Specifications

• Architecture: 8-bit
• CPU Speed: 24 MHz
• Program Memory Size: 8 KB
• RAM Size: 256 bytes
• Number of I/O Pins: 32
• Operating Voltage Range: 4.0V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data EEPROM Size: 256 bytes
• Timers/Counters: 3
• Serial Communication Interface: UART, SPI

Detailed Pin Configuration

The AT89S52-24AU microcontroller has a total of 40 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. XTAL2
19. XTAL1
20. GND
21. VCC
22. P0.0
23. P0.1
24. P0.2
25. P0.3
26. P0.4
27. P0.5
28. P0.6
29. P0.7
30. ALE/PROG
31. PSEN
32. EA/VPP
33. P2.0
34. P2.1
35. P2.2
36. P2.3
37. P2.4
38. P2.5
39. P2.6
40. P2.7

Functional Features

• High-performance CPU with a wide range of instructions
• On-chip Flash memory for program storage
• In-system programmable using serial programming mode
• 32 general-purpose I/O pins for versatile connectivity
• Three timers/counters for precise timing operations
• UART and SPI interfaces for serial communication
• Power-saving idle and power-down modes

Advantages and Disadvantages

Advantages

• High-performance and low-power consumption
• Ample program memory and RAM size for most applications
• Versatile I/O capabilities for flexible connectivity
• In-system programmability allows for easy updates
• Wide operating voltage and temperature range

Disadvantages

• Limited program memory size compared to some other microcontrollers
• Lack of built-in analog-to-digital converter (ADC)
• Limited number of timers/counters compared to more advanced microcontrollers

Working Principles

The AT89S52-24AU microcontroller operates based on an 8-bit architecture. It executes instructions stored in its Flash memory, which can be programmed in-system. The CPU communicates with external devices through the I/O pins and supports serial communication via UART and SPI interfaces. The microcontroller can operate in various power-saving modes to conserve energy when not actively processing tasks.

Detailed Application Field Plans

The AT89S52-24AU microcontroller finds applications in a wide range of fields, including but not limited to: - Industrial automation - Home automation - Robotics - Automotive electronics - Consumer electronics - Internet of Things (IoT) devices

Alternative Models

For those seeking alternative microcontrollers with similar capabilities, the following models can be considered: - ATmega328P - PIC16F877A - STM32F103C8T6 - MSP430G2553

These alternatives offer comparable features and performance, providing flexibility for different project requirements.

In conclusion, the AT89S52-24AU microcontroller is a high-performance 8-bit device commonly used in embedded control systems. Its versatile I/O capabilities, in-system programmability, and low-power consumption make it suitable for a wide range of applications. While it may have some limitations in terms of program memory size and peripheral options, it remains a popular choice among developers due to its reliability and ease of use