
( Brand: Atmel ), ( Manufacturer Part Number: AT89C51RB2UM ), ( Part Type: Tray Unit )
The Atmel AT89C51RB2UM is a versatile 8-bit microcontroller that is part of the popular and widely used AVR family. This particular variant, the AT89C51RB2UM, is available in a tray format, making it an excellent choice for custom applications or prototyping.
The AT89C51RB2UM features a 40-pin DIP package, which offers a good balance between cost and functionality. It is based on the Harvard architecture, which separates data and program memory, and it uses an 8-bit data bus and a 16-bit address bus. The microcontroller operates at a frequency of up to 12 MHz, ensuring responsive performance in a wide range of applications.
The AT89C51RB2UM is equipped with 4 KB of EEPROM, 256 bytes of SRAM, and 4 KB of flash memory for program storage. It includes 32 I/O lines, of which 16 can be used as general-purpose inputs or outputs, and 8 can be used as timer/counter inputs. The microcontroller also features a comprehensive set of peripherals, including two 16-bit timers/counters, an 8-bit serial interface, and a Universal Asynchronous Receiver Transmitter (UART).
One of the standout features of the AT89C51RB2UM is its on-chip oscillator, which can operate at frequencies between 12 and 22 MHz without the need for an external crystal. This makes it an ideal choice for battery-powered devices or applications where space and cost are critical.
In addition to its functional capabilities, the AT89C51RB2UM is also known for its ease of use. It is programmed using the popular and widely supported AVR assembly language or C, and it has a rich set of development tools available, including Atmel Studio, AVR GCC, and AVRDUDE.
Overall, the Atmel AT89C51RB2UM is a powerful and flexible microcontroller that is well-suited to a wide range of applications, from simple embedded systems to complex control and automation systems. Its tray format makes it a great choice for custom applications or prototyping, and its comprehensive set of features and development tools ensure that it is easy to use and integrate into any project.
Pros of buying AT89C51RB2UM Atmel Tray:1. Cost-effective: Buying in trays can be more cost-effective than purchasing individual chips, especially for large-scale projects.
2. Availability: Trays are often more readily available than individual chips, ensuring a consistent supply.
3. Compatibility: The AT89C51RB2UM is a widely used microcontroller, which means it's compatible with a wide range of development boards and tools.
4. Reliability: Atmel is a reputable manufacturer known for producing reliable and high-quality microcontrollers.
Cons of buying AT89C51RB2UM Atmel Tray:1. Handling: Handling individual chips from a tray can be time-consuming and prone to errors.
2. Storage: Trays take up more space than individual chips, which can be a consideration for projects with limited storage space.
3. Soldering: Soldering small-scale components like microcontrollers can be challenging, and mistakes can lead to damage or malfunction.
Conclusion: Buying the AT89C51RB2UM Atmel Tray can be a cost-effective and reliable solution for projects that require a large number of microcontrollers. However, handling and storage considerations, as well as the potential challenges of soldering, should be taken into account.
Recommendation: If you're working on a project that requires a large number of AT89C51RB2UM microcontrollers, buying a tray could be a good option. However, if you have limited storage space or are new to soldering, you might want to consider buying individual chips or looking for a smaller quantity tray.