AT89C51RD2-SLSUM

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AT89C51RD2-SLSUM

IC MCU 8BIT 64KB FLASH 44PLCC

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Specifications

Package Tube
Series 89C
ProductStatus Active
CoreProcessor 80C51
CoreSize 8-Bit
Speed 60MHz
Connectivity SPI, UART/USART
Peripherals POR, PWM, WDT
NumberofI/O 34
ProgramMemorySize 64KB (64K x 8)
ProgramMemoryType FLASH
RAMSize 2K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
OscillatorType External
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 44-LCC (J-Lead)

Overview

Description

The AT89C51RD2-SLSUM is an 8-bit microcontroller from Atmel (now part of Microchip Technology) based on the MCS-51 architecture. It features a 16-bit timer, a full-duplex UART for serial communication, and a versatile input/output port configuration. With 32 KB of flash memory and 1 KB of RAM, it supports various applications in embedded systems, particularly in control and automation.
The microcontroller is designed for efficiency, offering low power consumption options and a variety of operating modes. Its rich set of peripherals allows for flexible interfacing with other devices, making it suitable for diverse projects ranging from simple automation tasks to more complex embedded applications.
Additionally, the AT89C51RD2-SLSUM is compatible with existing MCS-51 software and development tools, facilitating easy integration into projects. Its robust performance, combined with ease of use and extensive community support, makes it a popular choice for engineers and hobbyists alike.

Features

The AT89C51RD2-SLSUM is an 8-bit microcontroller from the Atmel 8051 family, featuring:
1. Memory: 32 KB of Flash memory for code storage, 256 bytes of internal RAM, and 4 KB of EEPROM for data storage.
2. I/O Ports: 32 programmable I/O lines divided into four ports (P0, P1, P2, P3).
3. Clock Speed: Operates at up to 40 MHz, supporting high-speed operations.
4. Timers/Counters: Two 16-bit timers/counters for various timing applications.
5. Interrupts: Five interrupt sources with two external interrupts for efficient event handling.
6. UART: Full-duplex UART for serial communication.
7. Power Management: Various power-saving modes to enhance battery life.
8. Compatibility: Backward compatible with the standard 8051 microcontroller architecture.
This microcontroller is ideal for embedded applications requiring versatility, compactness, and efficient performance.

Package

The AT89C51RD2-SLSUM is typically available in a 40-pin DIP (Dual In-line Package) format. It may also come in other package types like PLCC (Plastic Leaded Chip Carrier) and QFP (Quad Flat Package), depending on specific versions and manufacturers. Always check the manufacturer's datasheet for precise packaging details.

Pinout

The AT89C51RD2-SLSUM is an 8-bit microcontroller from Atmel's 8051 family. It features a total of 40 pins.
Pin Functions:
1. Power Supply: Vcc (pin 40) and GND (pin 20) provide power to the microcontroller.
2. Input/Output Ports: Ports 0 (P0), 1 (P1), 2 (P2), and 3 (P3) consist of multifunctional I/O pins that can serve as general-purpose I/O or special function pins such as UART, timers, and interrupts.
3. Crystal Oscillator: XTAL1 and XTAL2 pins (pins 18 and 19) connect to the external oscillator circuit.
4. Reset: RESET pin (pin 9) is used to reset the microcontroller.
5. Interrupts: External interrupts and timer control pins are also included in the port configurations.
6. Serial Communication: Pins for RXD (P3.0) and TXD (P3.1) facilitate serial communication.
Overall, the AT89C51RD2-SLSUM is designed for versatility in embedded applications.

Manufacturer

The AT89C51RD2-SLSUM is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in designing microcontrollers, microprocessors, and various analog and interface products. Founded in 1989, the company provides solutions for embedded control applications and serves a wide range of industries, including automotive, industrial, consumer, and communications. Microchip is recognized for its innovative products, development tools, and extensive support resources for engineers and developers.

Application

The AT89C51RD2-SLSUM microcontroller is commonly used in embedded systems for applications such as home automation, industrial control, automotive systems, and consumer electronics. Its features, including built-in Flash memory and multiple I/O ports, make it suitable for tasks like data acquisition, sensor interfacing, and communication protocols. Additionally, it is utilized in educational projects and prototype development due to its ease of programming and debugging capabilities.

Equivalent

The AT89C51RD2-SLSUM is a microcontroller from Atmel (now part of Microchip Technology) based on the 8051 architecture. Equivalent products include:
1. AT89C51 (basic version)
2. AT89C52 (with more memory)
3. NXP P89V51RD2 (similar features)
4. Silicon Labs C8051F series (enhanced performance)
Always check specific datasheets for compatibility in terms of memory, I/O, and features.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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