AT89C2051-24PI

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AT89C2051-24PI

IC MCU 8BIT 2KB FLASH 20DIP

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Spezifikationen

Series 89C
Part Status Obsolete
Base Product Number AT89C2051
DigiKey Programmable Not Verified
Core Processor 8051
Core Size 8-Bit
Speed 24MHz
Connectivity UART/USART
Peripherals LED
Number of I/O 15
Program Memory Size 2KB (2K x 8)
Program Memory Type FLASH
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 4V ~ 6V
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Through Hole
Supplier Device Package 20-PDIP
Package 20-DIP (0.300", 7.62mm)
Packaging Tube

Übersicht

Description

The AT89C2051-24PI 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 pins which can be configured for various input/output tasks. The microcontroller operates at a maximum clock frequency of 24 MHz, allowing for efficient processing capabilities.
Key features include a 16-bit timer, a full-duplex UART for serial communication, and four parallel I/O ports. Its built-in oscillator and clock circuitry simplify design, while the Flash memory allows for easy program updates and reprogramming. The AT89C2051-24PI is suitable for control systems, automation, and various consumer electronics applications.
It supports various programming environments and can be interfaced with peripheral devices such as sensors and displays, making it versatile for various projects. Its low power consumption and small package size further enhance its applicability in portable devices.

Features

The AT89C2051-24PI is an 8-bit microcontroller from Atmel (now part of Microchip Technology) based on the MCS-51 architecture. Key features include:
- Flash Memory: 2 KB of in-system programmable (ISP) flash memory for code storage.
- RAM: 128 bytes of internal RAM for data handling.
- I/O Ports: 15 programmable I/O lines divided among two ports, enhancing connectivity.
- Timer/Counters: Two 16-bit timers/counters for timing operations and event counting.
- Interrupts: Five interrupt sources for efficient task management.
- Clock Speed: Operates at up to 24 MHz with a 3.5V to 6V supply voltage.
- Low Power Modes: Supports power-saving modes for energy efficiency.
- Serial Communication: Built-in UART for serial communication capabilities.
- Compatibility: Pin-compatible with the popular 8051 family, facilitating easy replacement.
These features make the AT89C2051-24PI suitable for various embedded applications, including consumer electronics and industrial devices.

Package

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

Pinout

The AT89C2051-24PI is an 8-bit microcontroller from Atmel, part of the 8051 family. It features a total of 20 pins.
Pin Functions:
- Vcc (Pin 1): Power supply (5V).
- GND (Pin 20): Ground.
- P0 (Pins 2-9): Port 0, multifunctional I/O; also serves as an address/data bus.
- P1 (Pins 10-17): Port 1, multifunctional I/O.
- P2 (Pins 18-19): Port 2, multifunctional I/O, also used for higher address bits.
- RESET (Pin 9): Active-high reset pin.
- ALE (Pin 30): Address Latch Enable; indicates when the external memory address is valid.
- PSEN (Pin 29): Program Store Enable; used to read from external memory.
- EA/VPP (Pin 31): External Access; allows accessing external program memory.
The AT89C2051 is suitable for various applications such as embedded systems, where compact size and low power consumption are crucial.

Manufacturer

The AT89C2051-24PI is manufactured by Microchip Technology Inc., a prominent semiconductor company. Microchip specializes in microcontrollers, analog devices, and memory products, serving a wide range of industries including automotive, consumer electronics, industrial automation, and communications. Founded in 1989, the company is known for its innovative products and solutions, especially in the realm of embedded systems and microcontroller technologies. Microchip operates globally and focuses on providing high-quality, reliable, and cost-effective components to its customers.

Application

The AT89C2051-24PI is an 8-bit microcontroller based on the MCS-51 architecture. Its application areas include embedded systems, industrial automation, consumer electronics, motor control, data acquisition systems, and communication devices. It is commonly used in projects requiring programmable logic, interfacing with sensors, and controlling various peripherals due to its versatility and ease of integration.

Equivalent

Equivalent products to the AT89C2051-24PI include the AT89C51, AT89C52, and other Microchip 8051 variants such as the P89V51RD2 and P89V51RD2B. Additionally, NXP and Silicon Labs also offer compatible 8051 microcontrollers. Always check specific features and pin compatibility for your application.

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