AT89LP51RD2-20PU

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AT89LP51RD2-20PU

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IC MCU 8BIT 64KB FLASH 40DIP

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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)

概要

Description

The AT89LP51RD2-20PU is a microcontroller from Microchip Technology, part of the AT89LP family. It is based on the 8051 architecture and is designed for low-power applications. This microcontroller operates at a maximum clock speed of 20 MHz and features 64 KB of in-system programmable Flash memory, 2 KB of RAM, and 1 KB of EEPROM for data storage. It offers a wide range of peripherals, including 36 programmable I/O lines, three 16-bit timers/counters, a programmable watchdog timer, and a full-duplex enhanced UART for serial communication.
The AT89LP51RD2-20PU supports both 8-bit and 16-bit arithmetic operations and offers enhanced performance over standard 8051 devices due to its single-cycle instruction execution. It includes versatile programming options such as in-system programming (ISP) and in-application programming (IAP). The microcontroller is suitable for embedded control applications that require efficient processing power with minimal power consumption. Additionally, it can operate over a voltage range of 2.4V to 5.5V, making it adaptable for various power supply conditions.

Equivalent

The AT89LP51RD2-20PU is an 8-bit microcontroller from Microchip Technology (formerly Atmel). Equivalent products typically include other 8051-based microcontrollers with similar features. Consider the NXP P89V51RD2 or Silicon Labs C8051F series as potential alternatives, as they offer comparable architecture and functionalities. It’s essential to verify specific requirements like I/O pins, speed, and memory to ensure compatibility with your application.

Features

The AT89LP51RD2-20PU is an 8-bit microcontroller from the Atmel AT89LP family, offering high performance and energy efficiency. It features a maximum operating frequency of 20 MHz, providing fast processing capabilities. The microcontroller includes 64 KB of in-system programmable Flash memory, enabling easy updates and storage for various applications. It also has 2 KB of RAM for data handling and processing.
The AT89LP51RD2-20PU supports dual data pointers for efficient handling of data transfers and offers a rich set of peripherals, including a programmable counter array, two UARTs for serial communication, and multiple timers for time-sensitive tasks. Additionally, it has an enhanced SPI for high-speed communication and an I2C-compatible interface for connecting to other devices.
This microcontroller is part of a 40-pin PDIP package, ensuring compatibility with various development boards and easy integration into existing systems. It includes power-saving modes to reduce power consumption, making it suitable for battery-operated devices. It also features a watchdog timer for system reliability and recovery from unforeseen errors.

Pinout

The AT89LP51RD2-20PU is a microcontroller from Microchip Technology's 8051 family. It is housed in a 40-pin Dual In-line Package (DIP). The functions of its pins are aligned with typical 8051 architecture and include:
1. VCC and GND: Power supply and ground pins.
2. Ports 0, 1, 2, and 3: General-purpose I/O ports. These ports can also serve alternate functions such as timers, serial communication, and interrupts.
3. Port 0: Functions as a multiplexed low-order address and data bus during external memory access.
4. Port 1: Can provide additional I/O or serve special functions like analog inputs for ADC.
5. Port 2: Used as a high-order address bus during external memory access.
6. Port 3: Contains control signals (e.g., RD, WR) and serial communication lines (TXD, RXD).
7. RST: Reset input.
8. EA: External Access Enable, used when accessing external program memory.
9. ALE/PROG: Address Latch Enable for demultiplexing the address-data bus; also used for programming.
10. PSEN: Program Store Enable, used to read from external program memory.
These pins collectively enable the AT89LP51RD2 to interface with various peripherals and manage data processes effectively.

Manufacturer

The AT89LP51RD2-20PU is manufactured by Microchip Technology Inc. Microchip Technology is a publicly traded company that specializes in the design and production of microcontrollers, memory, and analog semiconductors. Originally founded in 1989, Microchip has become a significant player in the semiconductor industry, providing a wide range of products that serve various applications in consumer electronics, automotive, industrial, computing, and telecommunications markets. The company is known for its extensive microcontroller product lines, as well as its development tools that support embedded system designers.

Application

The AT89LP51RD2-20PU is an 8-bit microcontroller commonly used in embedded systems. Its application areas include consumer electronics, where it may control devices like DVD players or home appliances; automotive systems for managing engine controls or dashboard functions; industrial automation for controlling machinery or process systems; and communication devices such as modems or network interface cards. Additionally, it is suitable for developing educational projects and prototypes due to its ease of programming and versatility. Its low power consumption also makes it ideal for battery-operated devices.

Package

The AT89LP51RD2-20PU is a microcontroller from Microchip Technology, featuring a DIP (Dual In-line Package) type. Specifically, it comes in a 40-pin PDIP (Plastic Dual In-line Package) form, which is commonly used for through-hole mounting on printed circuit boards.

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