AT89LP51RB2-20JU

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AT89LP51RB2-20JU

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IC MCU 8BIT 24KB FLASH 44PLCC

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Spezifikationen

Attribut Wert
Package / Case Tube
Series 89LP
Part Status Active
Core Processor 8051
Core Size 8-Bit
Speed 20MHz
Connectivity EBI/EMI, I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 40
Program Memory Size 24KB (24K x 8)
Program Memory Type FLASH
RAM Size 1.375K x 8
Voltage - Supply (Vcc/Vdd) 2.4V ~ 5.5V
Data Converters A/D 7x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The AT89LP51RB2-20JU is a high-performance 8-bit microcontroller from Microchip Technology, part of the AT89LP family. It is designed for embedded applications requiring low power and high speed. Key features include 2KB of Flash memory, 256 bytes of RAM, and 128 bytes of EEPROM, facilitating efficient data storage and access. The device operates at a maximum frequency of 20 MHz, delivering fast processing capabilities.
This microcontroller supports a wide operating voltage range from 2.4V to 5.5V, making it versatile for various applications. It is equipped with numerous I/O ports, timers, a programmable counter array, and an enhanced UART for serial communication, which broadens its applicability in communication interfaces.
The AT89LP51RB2-20JU also incorporates several power-saving modes, allowing it to conserve energy in battery-powered devices. Its compact 28-pin SOIC package makes it suitable for space-constrained designs. Overall, this microcontroller offers a reliable solution for projects needing a balance between performance and power efficiency.

Equivalent

The AT89LP51RB2-20JU is an 8-bit microcontroller from Microchip Technology. Equivalent products could include similar 8051-based microcontrollers such as the NXP P89V51RD2, Silicon Labs C8051F series, or Infineon XC800 series. When seeking alternatives, it's important to match key specifications like memory size, operating speed, I/O capabilities, and package type. Always verify compatibility with your specific application requirements.

Features

The AT89LP51RB2-20JU is a microcontroller from Microchip Technology, featuring the following key specifications:
1. CPU: 8-bit 8051-compatible microcontroller.
2. Speed: Operates up to 20 MHz.
3. Memory:
- 16 KB of Flash memory for code storage.
- 512 bytes of RAM for data handling.
- 2 KB of EEPROM for non-volatile data storage.
4. I/O Ports:
- 32 programmable I/O lines.

5. Communication Interfaces:
- Two USARTs for serial communication.
- SPI interface for synchronous data transfer.
- TWI (I2C-compatible) interface.
6. Timers:
- Three 16-bit timers/counters for timing operations.

7. Analog Features:
- 8-channel, 10-bit ADC for analog-to-digital conversion.
8. Power:
- Low power idle and power-down modes for energy efficiency.
9. Additional Features:
- Enhanced Watchdog Timer for system reliability.
- On-chip Debugging support.
- In-System Programming (ISP) capability for easy firmware updates.
This microcontroller is suitable for embedded applications requiring moderate processing power and various interfacing options.

Pinout

The AT89LP51RB2-20JU is a microcontroller from Atmel's 8-bit family, typically used for embedded control applications. It comes in a 44-pin PLCC (Plastic Leaded Chip Carrier) package. The pin count is 44.
Key functions and features include:
- An 8051-compatible CPU core.
- Up to 64 KB of in-system programmable Flash memory.
- 2 KB of internal RAM.
- Enhanced UART for serial communication.
- SPI and I²C interfaces for peripheral connectivity.
- Multiple I/O ports for general-purpose use.
- Two 16-bit timers/counters.
- A programmable watchdog timer for system reliability.
- Up to 32 programmable I/O lines, depending on the specific configuration.
- Interrupt capabilities for handling asynchronous events.
- On-chip power-on reset and programmable brown-out detection.
This microcontroller is suitable for various applications requiring efficient processing and communication capabilities within embedded systems.

Manufacturer

The AT89LP51RB2-20JU is manufactured by Microchip Technology Inc. This company specializes in the production of microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. Microchip Technology is known for providing a range of products that serve various applications in the automotive, industrial, consumer, and computing markets, among others. As a leading player in the semiconductor industry, Microchip focuses on innovative solutions that enable embedded control applications.

Application

The AT89LP51RB2-20JU is a microcontroller from the 8051 family, commonly used in embedded systems. Its application areas include:
1. Consumer Electronics: Used in devices like remote controls and home appliances for efficient control.
2. Automotive Systems: Suitable for use in dashboard instrumentation and control systems.
3. Industrial Automation: Employed for process control, data collection, and machine operation.
4. Medical Devices: Used in portable medical instruments for monitoring and diagnostics.
5. Communication Systems: Facilitates control in network devices and modems.
6. IoT Devices: Integrates into smart sensors and home automation systems.
7. Education and Prototyping: Ideal for learning environments and initial product development.

Package

The AT89LP51RB2-20JU is a microcontroller that comes in a PLCC (Plastic Leaded Chip Carrier) package type with 44 pins.

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