AT89S52-24PU Microcontroller DIP-40
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

AT89S52-24PU Microcontroller DIP-40

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  • Product SKU: INTEG119
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The AT89S52-24PU is a microcontroller from Atmel Corporation.

Here are some key details about the AT89S52-24PU:

Microcontroller Family: The AT89S52 belongs to the 8051 family of microcontrollers.

Package Type: The "DIP-40" designation refers to the package type, which is a Dual Inline Package with 40 pins.

Bit Architecture: The AT89S52 is an 8-bit microcontroller, meaning it processes data in 8-bit chunks.

Clock Speed: The "24PU" in the part number suggests a clock speed of 24 MHz.

Program Memory: The AT89S52 typically has Flash program memory for storing the user's program.

RAM and Data Memory: It includes on-chip RAM (Random Access Memory) for temporary data storage.

I/O Ports: The microcontroller provides general-purpose I/O (Input/Output) ports for interfacing with external devices.

Timers/Counters: The AT89S52 usually includes multiple timers/counters, which are versatile components for various applications.

Serial Communication: It may support serial communication protocols like UART (Universal Asynchronous Receiver-Transmitter).

Interrupts: The microcontroller likely supports interrupts, allowing it to respond to external events in real time.

Peripherals: It may have built-in peripherals such as GPIO (General-Purpose Input/Output) pins, timers, and serial communication interfaces.

Development Tools: Development tools such as assemblers, compilers, and programmers are available for programming the AT89S52.


Common applications include embedded systems, industrial automation, robotics, and various electronic projects.

In-Circuit Programming:? The AT89S52 often supports in-circuit programming, allowing users to update the firmware without removing the microcontroller from the circuit.

Power Supply: The operating voltage and current requirements should be checked in the datasheet for proper usage.


  • 8K Bytes of In-System Programmable (ISP) Flash Memory.
  • Endurance: 10,000 Write/Erase Cycles.
  • 4.0V to 5.5V Operating Range.
  • Endurance: 1,000 Write/Erase Cycles
  • Fully Static Operation : 0 Hz to 33 MHz
  • Three-level Program Memory Lock.
  • 256 x 8-bit Internal RAM.
  • 32 Programmable I/O Lines.
  • Three 16-bit Timer/Counters.
  • Eight Interrupt Sources.
  • Full Duplex UART Serial Channel.
  • Interrupt Recovery from Power-down Mode.
  • Watchdog Timer.
  • Dual Data Pointer.
  • Low-power Idle and Power-down Modes.
  • Power-off Flag
  • Fast Programming Time


  • Multiple DIY projects.
  • Projects requiring more than logical control for devices.
  • Microcontroller applications for multiple device interface/Control.
  • Replacement for Arduino module.
  • Needs a USB AVR programmer.

Physical Attributes

  • Length * Width * Height (mm): 53 x 16 x 7
  • Weight (gm) : 7


Package Includes

  • 1 x AT89S52-24PU DIP-40 Microcontroller

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