사양
| 속성 | 가치 |
| Package / Case | Tray |
| Series | 89C |
| Part Status | Obsolete |
| Core Processor | 80C51 |
| Core Size | 8-Bit |
| Speed | 60MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 34 |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The AT89C51RD2-RLTUM is a microcontroller from Microchip Technology, part of the AT89C51 family. It is based on the 8051 architecture and designed for embedded applications, offering a combination of performance, flexibility, and low power consumption. The microcontroller features 64KB of Flash memory, 2KB of RAM, and 2KB of EEPROM, providing ample space for code and data storage. It operates at a speed of up to 40 MHz and supports In-System Programming (ISP) and In-Application Programming (IAP), allowing for easy updates and modifications.
The AT89C51RD2-RLTUM includes several peripherals such as timers, UARTs, and an SPI interface, making it versatile for various applications. It also features a watchdog timer, power-saving modes, and a programmable counter array for enhanced functionality. The device operates over a wide voltage range and supports a variety of power-saving modes, making it suitable for battery-powered devices.
Overall, the AT89C51RD2-RLTUM is ideal for applications requiring a reliable and configurable microcontroller with robust features and efficient memory management.
The AT89C51RD2-RLTUM includes several peripherals such as timers, UARTs, and an SPI interface, making it versatile for various applications. It also features a watchdog timer, power-saving modes, and a programmable counter array for enhanced functionality. The device operates over a wide voltage range and supports a variety of power-saving modes, making it suitable for battery-powered devices.
Overall, the AT89C51RD2-RLTUM is ideal for applications requiring a reliable and configurable microcontroller with robust features and efficient memory management.
Equivalent
The AT89C51RD2-RLTUM is an 8-bit microcontroller from Microchip (formerly Atmel). Equivalent products include the NXP P89V51RD2, which offers similar features and pin compatibility. Other comparable microcontrollers might include those from the STMicroelectronics STM8 series or Microchip’s own PIC16/PIC18 series, but these may not be pin-compatible. When selecting, consider required features, I/O pins, memory, and peripherals for your specific application.
Features
The AT89C51RD2-RLTUM is a microcontroller featuring a high-performance 8-bit CPU with a 12-clock-per-machine cycle architecture. It includes 64KB of Flash memory that can be reprogrammed up to 1000 times and 2KB of RAM. The device supports In-System Programming (ISP) and In-Application Programming (IAP) through a built-in bootloader.
Key features include:
- Operating frequency up to 40 MHz.
- Three 16-bit timers/counters.
- A full-duplex serial UART.
- Watchdog timer for system reliability.
- Dual Data Pointer for enhanced data processing.
- 4-level priority interrupt system.
- Power-saving modes: idle and power-down.
- Programmable counter array (PCA) with capture/compare features.
- Four 8-bit I/O ports and one 8-bit input port.
- On-chip oscillator and clock circuitry.
- Compatibility with the MCS-51 instruction set.
- Suitable for a wide range of applications due to its robust performance and versatile features.
This microcontroller is ideal for embedded applications requiring efficient data processing, robust performance, and low-power operation.
Key features include:
- Operating frequency up to 40 MHz.
- Three 16-bit timers/counters.
- A full-duplex serial UART.
- Watchdog timer for system reliability.
- Dual Data Pointer for enhanced data processing.
- 4-level priority interrupt system.
- Power-saving modes: idle and power-down.
- Programmable counter array (PCA) with capture/compare features.
- Four 8-bit I/O ports and one 8-bit input port.
- On-chip oscillator and clock circuitry.
- Compatibility with the MCS-51 instruction set.
- Suitable for a wide range of applications due to its robust performance and versatile features.
This microcontroller is ideal for embedded applications requiring efficient data processing, robust performance, and low-power operation.
Pinout
The AT89C51RD2-RLTUM is a microcontroller from the Atmel AT89C51 family, which is based on the 8051 architecture. It comes in a 44-pin PLCC package. The primary functions of this microcontroller include:
1. CPU: 8-bit, 8051-based architecture.
2. Memory: 64KB Flash memory for program storage, 2KB of EEPROM, and 1.25KB of RAM.
3. I/O Ports: Multiple I/O ports for interfacing with other devices.
4. Timers/Counters: Three 16-bit timers/counters for timing operations.
5. Serial Communication: UART for serial data communication.
6. Interrupts: Supports up to six interrupt sources.
7. Watchdog Timer: For system monitoring and recovery.
8. Enhanced Features: Includes features like a programmable counter array and additional peripherals for flexibility in various applications.
This microcontroller is often used in embedded systems for its robust performance and extensive feature set, supporting a wide range of applications from simple control tasks to more complex embedded solutions.
1. CPU: 8-bit, 8051-based architecture.
2. Memory: 64KB Flash memory for program storage, 2KB of EEPROM, and 1.25KB of RAM.
3. I/O Ports: Multiple I/O ports for interfacing with other devices.
4. Timers/Counters: Three 16-bit timers/counters for timing operations.
5. Serial Communication: UART for serial data communication.
6. Interrupts: Supports up to six interrupt sources.
7. Watchdog Timer: For system monitoring and recovery.
8. Enhanced Features: Includes features like a programmable counter array and additional peripherals for flexibility in various applications.
This microcontroller is often used in embedded systems for its robust performance and extensive feature set, supporting a wide range of applications from simple control tasks to more complex embedded solutions.
Manufacturer
The AT89C51RD2-RLTUM is manufactured by Microchip Technology. Microchip Technology is a leading semiconductor company that designs and manufactures microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company caters to a broad range of markets, including automotive, industrial, consumer electronics, and telecommunications. Microchip is known for providing comprehensive embedded control solutions that help engineers design and build innovative products efficiently.
Application
The AT89C51RD2-RLTUM is a versatile microcontroller used in a variety of applications due to its enhanced features. Key areas include:
1. Industrial Automation: Controls machinery and processes efficiently.
2. Consumer Electronics: Powers devices like remote controls and appliances.
3. Automotive Systems: Manages simple control systems in vehicles.
4. Embedded Systems: Integrates into devices requiring programmable control.
5. Communication Devices: Supports basic protocol processing and data transfer.
6. Educational Tools: Used in training and prototyping environments for learning microcontroller basics.
Its ease of programming and robust performance make it suitable for both simple and moderately complex applications.
1. Industrial Automation: Controls machinery and processes efficiently.
2. Consumer Electronics: Powers devices like remote controls and appliances.
3. Automotive Systems: Manages simple control systems in vehicles.
4. Embedded Systems: Integrates into devices requiring programmable control.
5. Communication Devices: Supports basic protocol processing and data transfer.
6. Educational Tools: Used in training and prototyping environments for learning microcontroller basics.
Its ease of programming and robust performance make it suitable for both simple and moderately complex applications.
Package
The AT89C51RD2-RLTUM is typically available in a PLCC-44 (Plastic Leaded Chip Carrier) package type. This package is square-shaped with leads on all four sides, making it suitable for surface mounting on circuit boards.
