Microchip Technology

AT89S51-24AI  

Microcontrollers

The AT89S51-24AI is a microcontroller unit (MCU) manufactured by Microchip Technology. It is based on the popular 8051 microcontroller architecture and is designed for a wide range of embedded applications.

Description:

The AT89S51-24AI is a high-performance, low-power, 8-bit microcontroller with 24 I/O lines. It features 4KB of Flash memory, 128 bytes of RAM, and 128 bytes of EEPROM. The device operates at a frequency of up to 24 MHz and has a wide operating voltage range of 4.0V to 5.5V.

Features:

1. 8-bit CPU with 4KB Flash memory, 128 bytes RAM, and 128 bytes EEPROM.
2. 24 I/O lines with 5V tolerant inputs.
3. On-chip oscillator with clock frequency up to 24 MHz.
4. Two 16-bit timer/counters with 8-bit auto-reload registers.
5. Five interrupt sources with two priority levels.
6. Three 16-bit I/O ports with bit-addressable capability.
7. On-chip debug circuitry for easy debugging and programming.
8. Low-power consumption with power-down and idle modes.
9. Watchdog timer with selectable timeout periods.

Applications:

The AT89S51-24AI is suitable for a wide range of embedded applications, including:

1. Industrial control systems
2. Home automation and security systems
3. Medical equipment
4. Telecommunication systems
5. Automotive control systems
6. Robotics
7. Consumer electronics
8. Data acquisition and signal processing
9. Embedded systems in general

The AT89S51-24AI's combination of features, such as its 24 I/O lines, low-power consumption, and a wide operating voltage range, make it a versatile choice for various applications requiring an 8-bit microcontroller.

AT89S51-24AI Documents

Download datasheets and manufacturer documentation for AT89S51-24AI

Datasheets :

AT89S51      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT89S51 Development Tool Selector      

HTML Datasheet :

AT89S51      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH