AT89C2051-24SU

The AT89C2051-24SU is an 8-bit microcontroller from Atmel's 8051 family, designed for embedded applications. It features 2KB of Flash memory for program storage, 128 bytes of RAM, and 15 I/O lines, which can be configured as input or output. The microcontroller operates at a clock frequency of up to 24 MHz, allowing for efficient processing of tasks.
Key features include a 16-bit timer/counter, a full-duplex UART for serial communication, and a single external interrupt. The AT89C2051 supports in-system programming (ISP), enabling updates to firmware without removing the chip from the circuit, enhancing flexibility during development and deployment.
It’s suitable for various applications like consumer electronics, automotive systems, and industrial controls, owing to its reliability and low power consumption. The AT89C2051-24SU is encapsulated in a 20-pin DIP package, making it easy to integrate into prototypes and final products. Overall, it’s a versatile choice for engineers developing compact and efficient embedded systems.

The AT89C2051-24SU is an 8-bit microcontroller from Atmel (now part of Microchip Technology), based on the MCS-51 architecture. Key features include:
- Memory: 2 KB of Flash memory for program storage, 128 bytes of RAM, and 15 bytes of internal data memory.
- I/O Ports: 15 programmable I/O pins.
- Clock Speed: Operates at a maximum frequency of 24 MHz.
- Timer/Counters: Two 16-bit timer/counters for timing operations.
- Interrupts: Five interrupt sources with two external interrupts.
- Serial Communication: Full-duplex UART for asynchronous serial communication.
- Low Power Consumption: Designed for low power applications, with various power-saving modes.
- Operating Voltage: 4.0V to 5.5V.
- Enhanced Instruction Set: Supports a wide range of instructions, facilitating easy programming.
The AT89C2051-24SU is ideal for applications in embedded systems, consumer electronics, and automation, offering versatility and ease of integration.

The AT89C2051-24SU is packaged in a 20-pin Dual In-Line Package (DIP) format.

The AT89C2051-24SU is an 8-bit microcontroller with a total of 20 pins. Here is a brief overview of its pin functions:
1. VCC (Pin 1): Supply voltage (typically +5V).
2. GND (Pin 20): Ground reference.
3. Port 1 (P1.0 to P1.7 - Pins 2-9): General-purpose I/O pins that can also serve as external interrupts.
4. Port 2 (P2.0 to P2.7 - Pins 10-17): General-purpose I/O pins, which can serve as the higher byte of the address bus when interfacing with external memory.
5. RST (Pin 18): Reset pin; active high to reset the microcontroller.
6. ALE (Pin 19): Address Latch Enable; used to demultiplex the address/data bus.
7. PSEN (Pin 17): Program Store Enable; used to control reading from external program memory.
8. EA (Pin 18): External Access Enable; when low, allows access to external program memory.
The AT89C2051 is particularly used in embedded applications requiring simple control tasks.

The AT89C2051-24SU is manufactured by Microchip Technology Inc., a leading semiconductor company. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in microcontrollers, analog semiconductors, and various integrated circuits. The company is known for producing a wide range of products, including embedded control solutions and development tools for the global electronics market. They serve various industries, including automotive, industrial, consumer, and telecommunications, providing innovative solutions for a diverse array of applications.

The AT89C2051-24SU is an 8-bit microcontroller suitable for various applications, including embedded systems, automation, consumer electronics, robotics, and control systems. It's commonly used in projects requiring simple computation, LED and motor control, data acquisition, and communication interfaces. Its compact size and low power consumption make it ideal for portable devices and real-time applications.

Equivalent products for the AT89C2051-24SU microcontroller include the Microchip AT89C2051, NXP P89V51RD2, and the Silicon Labs C8051F020. These alternatives also feature similar architecture and capabilities, suitable for embedded applications requiring a small 8-bit microcontroller.