AT89C2051-24SU

The AT89C2051-24SU is a microcontroller from Atmel's 8051 family, designed for embedded applications. It features a low-power, high-performance CMOS 8-bit microcontroller with 2K bytes of Flash programmable and erasable read-only memory (PEROM). Operating at up to 24 MHz, it offers 15 I/O lines, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full-duplex UART, and a precision analog comparator.
The AT89C2051-24SU is ideal for small applications due to its compact 20-pin package and requires minimum external components. It supports In-System Programming (ISP) which allows the microcontroller to be programmed in the target application circuit. The device is also compatible with standard 8051 instruction set and pinout, ensuring easy integration into existing 8051-based systems. Its low power consumption and wide operating voltage range make it suitable for battery-operated applications. This microcontroller is popular in applications like smart devices, industrial control, consumer electronics, and more.

The AT89C2051-24SU is an 8-bit microcontroller in the Atmel 8051 family. Equivalent products include the AT89C2051-24PU (DIP package version) and the AT89S2051-24SU, which offers similar functionality with added features like In-System Programming (ISP). Other manufacturers may offer comparable 8051-based microcontrollers such as the NXP P89V51RD2 or Silicon Labs' C8051F320, though they may have differences in features or performance.

The AT89C2051-24SU is a low-voltage, high-performance CMOS 8-bit microcontroller from Atmel's 8051 family. It features a 2K byte Flash programmable and erasable read-only memory (PEROM) and runs at a maximum frequency of 24 MHz. Key features include:
- CPU: 8-bit 8051 compatible.
- Memory: 2K bytes of Flash PEROM, 128 bytes of RAM.
- I/O Ports: Two 8-bit input/output ports.
- Timers: Two 16-bit timer/counters.
- Interrupts: Six interrupt sources with two priority levels.
- Clock: On-chip oscillator and clock circuitry.
- Operating Voltage: 2.7V to 6V.
- Package: 20-pin SOIC (Small Outline Integrated Circuit).
- Other Features: Power-down and Idle modes for power saving, full static operation, programmable serial UART channel, and a watchdog timer.
This microcontroller is suitable for embedded applications requiring a compact form factor and reliable performance.

The AT89C2051-24SU is a microcontroller from Atmel's 8051 family. It comes in a 20-pin SOIC package. Here is a brief overview of its pin count and functions:
- Pins 1 and 2 (P1.5, P1.6): General-purpose I/O.
- Pins 3 and 4 (XTAL2, XTAL1): Used to connect an external oscillator to provide the clock source.
- Pin 5 (RST): Reset input; a high on this pin for two machine cycles while the oscillator is running resets the device.
- Pins 6-13 (P3.0-P3.7): General-purpose I/O with alternate functions including RxD, TxD, INT0, INT1, T0, T1, WR, and RD.
- Pin 14 (VSS): Ground reference.
- Pins 15-18 (P1.0-P1.3): General-purpose I/O.
- Pin 19 (P1.4): General-purpose I/O or analog-to-digital converter input.
- Pin 20 (VCC): Power supply.
This compact microcontroller is suitable for applications requiring a limited number of I/O pins and is often used in embedded systems.

The AT89C2051-24SU is manufactured by Microchip Technology Inc. This company, originally founded as part of General Instrument in 1987 and later spun off as an independent entity in 1989, is a leading provider in the semiconductor industry. Microchip Technology specializes in designing and manufacturing microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The AT89C2051-24SU is a member of the 8051 family of microcontrollers, known for its simple architecture and ease of use in embedded systems. Microchip's products are widely used across various industries, including automotive, industrial, home appliance, consumer electronics, and data communications, reflecting the company's significant role in providing enabling technology for smarter and interconnected solutions.

The AT89C2051-24SU is a versatile microcontroller commonly used in various applications due to its compact size and low power consumption. It is ideal for small-scale embedded systems and can be found in consumer electronics, such as remote controls and toys. Additionally, it's used in industrial automation for controlling simple processes or interfacing with sensors. The microcontroller is also suitable for communication devices, basic motor control, and educational projects where cost-effective solutions are required. Its ease of programming makes it a popular choice for hobbyists and prototyping purposes.

The AT89C2051-24SU is a microcontroller from Atmel's 8051 series in a 20-pin Small Outline Integrated Circuit (SOIC) package.