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AT89S8253-24AU

MCHPAT89S8253-24AU

Microchip Technology
8051 89S Microcontroller IC 8-Bit 24MHz 12KB (12K x 8) FLASH 44-TQFP (10x10)
Active3,169 in stock
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Overview

The AT89S8253-24AU is an 8-bit microcontroller based on the MCS-51 core, featuring 12KB of In-System Programmable (ISP) Flash memory and 2KB of EEPROM. Operating at speeds up to 24MHz, this MCU provides 32 I/O pins and integrates essential peripherals for embedded applications. It is designed for general-purpose control tasks requiring a compact, low-cost solution.

Why Choose This Part

Engineers benefit from the AT89S8253-24AU's robust MCS-51 core, offering a well-understood and widely supported architecture. The inclusion of 12KB ISP Flash and 2KB EEPROM provides ample memory for firmware and persistent data storage. Its 32 GPIO pins, SPI, and UART interfaces enable flexible connectivity for a variety of peripheral devices.

Applications

Industrial Control Systems
Implementing basic control logic and interfacing with sensors or actuators in industrial environments due to its robust 8-bit architecture and integrated peripherals.
Consumer Appliances
Controlling functions in home appliances like washing machines, refrigerators, or microwave ovens, where cost-effectiveness and proven architecture are key.
Building Automation
Managing simple tasks such as lighting control, HVAC system monitoring, or access control due to its I/O capabilities and communication interfaces.
Embedded Instrument Control
Driving the user interface and data acquisition for basic measurement or diagnostic tools that require a straightforward microcontroller solution.
Security Systems
Handling tasks within alarm systems or entry control devices, leveraging its 2KB EEPROM for non-volatile storage of configuration data.

Key Specifications

Speed 24MHz
RAM Size 256 x 8
Core Size 8-Bit
EEPROM Size 2K x 8
Peripherals POR, WDT
Connectivity SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 32
Core Processor 8051
Package / Case 44-TQFP
Oscillator Type External
Program Memory Size 12KB (12K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

Getting Started

To get started with the AT89S8253-24AU, engineers can use standard 8051 development tools, including C compilers like Keil uVision. In-System Programming (ISP) allows for easy firmware updates. Evaluation boards supporting 8051 microcontrollers with TQFP packages can be used for prototyping and debugging.

Also Consider

ATMEGA328P-AU MCHPMicrochip Technology - This is a popular 8-bit AVR microcontroller offering a different architecture, larger Flash memory, and a wide ecosystem of development tools.
STM8S003F3P6TR STMicroelectronics - This is a cost-effective 8-bit microcontroller with a smaller footprint and modern peripheral set, suitable for space-constrained and low-cost designs.
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