AT89LP51RD2-20PU

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AT89LP51RD2-20PU

IC MCU 8BIT 64KB FLASH 40DIP

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사양

Package Tube
Series 89LP
ProductStatus Active
CoreProcessor 8051
CoreSize 8-Bit
Speed 20MHz
Connectivity EBI/EMI, I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 37
ProgramMemorySize 64KB (64K x 8)
ProgramMemoryType FLASH
RAMSize 2.25K x 8
Voltage-Supply(Vcc/Vdd) 2.4V ~ 5.5V
DataConverters A/D 7x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Through Hole
Package/Case 40-DIP (0.600, 15.24mm)

개요

Description

The AT89LP51RD2-20PU is an 8-bit microcontroller from Atmel, part of the AT89LP family, designed for enhanced performance and low power consumption. It is based on the classic 8051 architecture, featuring 32 I/O lines, 256 bytes of RAM, and 16 KB of programmable Flash memory, which allows for flexible code storage and modification.
Key features include a dual data pointer for efficient data handling, enhanced 16-bit timer/counters, and a UART for serial communication. The microcontroller operates at a maximum clock frequency of 20 MHz and supports multiple operating modes, including a power-saving idle mode.
Ideal for a variety of applications such as embedded systems, industrial automation, and consumer electronics, the AT89LP51RD2-20PU is compatible with standard 8051 development tools, making it easy for developers to transition or integrate into existing projects. Its reliability, coupled with robust programming capabilities, makes it a popular choice for both hobbyists and professionals.

Features

The AT89LP51RD2-20PU is an 8-bit microcontroller from Atmel's 89LP series, featuring the following key characteristics:
1. Architecture: Based on the 8051 microcontroller architecture.
2. Flash Memory: 64 KB of in-system programmable flash memory.
3. RAM: 1 KB of on-chip RAM.
4. I/O Pins: 32 general-purpose I/O pins.
5. Clock Speed: Operates at a maximum frequency of 20 MHz.
6. Timers: Dual 16-bit timers/counters.
7. Serial Communication: Supports UART for serial communication.
8. ADC: 10-bit ADC with multiple channels (optional depending on variant).
9. Low Power Modes: Features various low-power modes for energy efficiency.
10. Interrupts: Supports multiple interrupt sources.
This microcontroller is suitable for a variety of applications, including embedded systems, automation, and control tasks, providing a blend of performance and flexibility.

Package

The AT89LP51RD2-20PU is packaged in a 20-pin dual in-line package (DIP) format. This type of package features two parallel rows of pins for easy insertion into sockets or through-hole mounting on PCBs.

Pinout

The AT89LP51RD2-20PU is a high-performance 8-bit microcontroller from Atmel (now part of Microchip Technology) based on the 8051 architecture. It features a 40-pin dual in-line package (DIP).
Pin Count: 40 pins
Functions:
- Digital I/O: 32 GPIO pins (P0 to P3) for input/output operations.
- Power Supply: Vcc (power) and GND (ground) pins.
- Oscillator: Pins for an external oscillator setup.
- Reset: A reset pin for initializing the microcontroller.
- UART: Serial communication interface (TXD, RXD).
- Timers: Two 16-bit timers/counters.
- Interrupts: Supports external and internal interrupts.
- Program Memory: On-chip Flash memory for program storage.
- Special Function Registers (SFR): Control various functions like timers and serial communication.
The AT89LP51RD2-20PU is suitable for various embedded applications due to its versatile functionality and ease of programming.

Manufacturer

The AT89LP51RD2-20PU is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductor products. Founded in 1989, Microchip specializes in designing and manufacturing embedded control solutions, particularly focusing on microcontrollers, development tools, and integrated circuits. The company serves a diverse range of industries, including automotive, industrial, consumer electronics, and telecommunications. Microchip is known for its commitment to innovation, providing a wide array of products and support resources for engineers and developers.

Application

The AT89LP51RD2-20PU is a low-power 8-bit microcontroller widely used in industrial automation, consumer electronics, automotive applications, and embedded systems. Its application areas include motor control, data acquisition systems, home automation, and communication interfaces. Additionally, it is suitable for projects requiring real-time processing and control, such as thermostat management, sensor interfacing, and programmable logic controllers (PLCs).

Equivalent

The AT89LP51RD2-20PU is an 8051-compatible microcontroller. Equivalent products include:
1. AT89S52 - Standard 8051 microcontroller with similar features.
2. P89V51RD2 - Phillips/NXP variant of the 8051 microcontroller.
3. C8051F00x Series - Silicon Labs 8051 microcontrollers with enhanced features.
4. MCS-51 Microcontrollers - General 8051 series from various manufacturers.
Check specific datasheets for detailed feature comparison.

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