AT89S52-24AU

The AT89S52-24AU is a high-performance, low-power 8-bit microcontroller from Atmel featuring 8KB of in-system programmable flash memory, 256 bytes of RAM, 32 I/O lines, and a versatile serial communication interface.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Positive power supply
• GND: Ground
• RXD: Serial data input
• TXD: Serial data output
• T1: Timer 1 external input
• T0: Timer 0 external input
• INT0: External interrupt 0
• INT1: External interrupt 1
• RST: Reset pin
• PSEN: Program store enable
• ALE/PROG: Address latch enable/programming enable
• EA/VPP: External access enable/programming voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT89S52-24AU microcontroller for a visual representation.

Key Features

• 8KB Flash Memory: Offers in-system programmable flash memory for flexible program updates.
• Low Power Consumption: Designed for low-power operation, suitable for portable and battery-powered applications.
• Versatile I/O Ports: Includes 32 programmable I/O lines for interfacing with various external peripherals.
• Serial Communication: Supports UART serial communication with the RXD and TXD pins for data exchange.
• Timer/Counter Modules: Features Timer 0 and Timer 1 modules for timing and counting applications.
• Interrupt Capabilities: Provides external interrupt 0 and external interrupt 1 for responding to external events.

Note: For detailed technical specifications, please refer to the AT89S52-24AU datasheet.

Application

• Embedded Systems: Ideal for embedded system applications requiring a compact and powerful microcontroller.
• IoT Devices: Suited for IoT devices that require low-power operation and connectivity features.
• Industrial Automation: Used in industrial automation systems for control and monitoring functions.

Functionality

The AT89S52-24AU is a versatile microcontroller offering a combination of Flash memory, RAM, I/O ports, and serial communication interfaces, making it suitable for a wide range of embedded applications.

Usage Guide

• Power Supply: Connect VCC (Pin 20) and GND (Pin 10) to the appropriate power supply.
• Serial Communication: Utilize the RXD and TXD pins for serial data exchange with external devices.
• Programming: Use the ALE/PROG and EA/VPP pins for programming and external access operations.

Frequently Asked Questions

Q: Can the AT89S52-24AU be programmed in-circuit?
A: Yes, the AT89S52-24AU supports in-system programming, allowing for programming while the device is connected to the target circuit.

Q: What is the maximum operating frequency of the AT89S52-24AU?
A: The AT89S52-24AU can operate at a maximum frequency of 24 MHz.