AT89S52-24AC

Product Overview

Category

AT89S52-24AC belongs to the category of microcontrollers.

Use

This microcontroller is widely 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

AT89S52-24AC is available in a 40-pin Dual Inline Package (DIP). It is typically sold in packs of 10 units.

Specifications

• Architecture: 8-bit
• CPU Speed: 24 MHz
• Program Memory Size: 8 KB
• RAM Size: 256 bytes
• Data EEPROM Size: 512 bytes
• Number of I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• Operating Voltage Range: 4.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT89S52-24AC 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. XTAL1
19. XTAL2
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

• 8-bit CPU with Harvard architecture
• On-chip Flash memory for program storage
• In-system programmable via serial interface
• 32 general-purpose I/O pins
• Three 16-bit timers/counters
• Full-duplex UART for serial communication
• SPI (Serial Peripheral Interface) for interfacing with external devices
• I2C (Inter-Integrated Circuit) bus for communication with other ICs
• Power-saving idle and power-down modes

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications
• Low-power consumption extends battery life in portable devices
• In-system programmability allows for easy updates and debugging
• Ample I/O pins for interfacing with external components
• Support for popular serial communication protocols (UART, SPI, I2C)

Disadvantages

• Limited program memory size (8 KB) may be insufficient for complex applications
• Relatively small RAM size (256 bytes) restricts the amount of data that can be stored
• Lack of built-in analog-to-digital converter (ADC) limits direct sensor interfacing capabilities

Working Principles

The AT89S52-24AC microcontroller operates based on an 8-bit CPU with a Harvard architecture. It executes instructions stored in its Flash memory and interacts with external devices through its I/O pins. The microcontroller can be programmed in-circuit using a serial interface, allowing for easy updates and debugging.

Detailed Application Field Plans

AT89S52-24AC finds applications in various fields, including but not limited to: 1. Industrial automation 2. Home automation 3. Robotics 4. Automotive electronics 5. Consumer electronics 6. Medical devices 7. Security systems 8. Embedded systems development

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT89S52-24AC microcontroller are: 1. ATmega328P (by Atmel) 2. PIC16F877A (by Microchip) 3. STM32F103C8T6 (by STMicroelectronics) 4. MSP430G2553 (by Texas Instruments) 5. LPC1768 (by NXP Semiconductors)

These alternatives provide comparable features