AT87251G2D-RLTUM

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Embedded systems often utilize microcontrollers to administer directives for a particular use. A mechanism known as the AT87251G2D-RLTUM is routinely used for this purpose, as it provides users with advanced features and exceptional performance. The AT87251G2D-RLTUM is a low-power 8-bit microcontroller designed with a 12 MHz CMOS microprocessor. It is housed in a 40-pin plastic dual in-line package (DIP), and measures a mere 0.8 x 1.45 inches. Furthermore, its low-voltage design operates ideally on voltages ranging between 4.5V – 5.5V.

The AT87251G2D-RLTUM includes a powerful, 8-bit 80C251 Central Processing Unit (CPU), along with 64Kbytes of on-chip Flash Program memory, and 1024 bytes of RAM Data memory. This buffer memory can be further expanded through a built-in serial port interface (SPI). Additionally, the microcontroller features an 8-pin 8-bit A/D converter, with four external interrupts, as well as programmable I/O (input/output) pins. It is commonly used for data logging in industrial monitoring and control systems, as well as in laboratory automation, in-system programming and embedded control applications.

The AT87251G2D-RLTUM operates on the principle of a Harvard architecture. It has two distinct buses that are separated from one another. The program memory, which is the main internal memory, is stored in a synchronous Random Access Memory (SRAM). This contains all data and instructions that the controller needs to execute its tasks. To read and write to this memory block, the controller accesses the buses via the Program Counter register. This register is used to maintain the address of the data to be accessed and is updated accordingly during hardware operations.

The memory stores various sizes of bytes or words, depending on the program. The bus is divided into four banks, with each bank containing 16-bits of data. This design allows the CPU to access any bank of the program memory at any given time.

Moreover, the AT87251G2D-RLTUM possesses some very versatile features, such as watchdog timeout, brown-out detection, non-volatile memory configuration, high-speed interrupt processing, and four-level interrupt handling. This allows the controller to provide rapid response to external events. It also offers a wide variety of sleep modes, low-speed operation, and power-management potential. All of these features allow the microcontroller to maximize its efficiency and ensure that users get the most out of their system resources.

In conclusion, the AT87251G2D-RLTUM is a powerful and reliable 8-bit microcontroller. With its advanced features and low-power operational characteristics, it is an ideal choice for implementing dynamic and embedded control applications. Its versatile design, versatile features, and low-voltage requirements make it an excellent component for users seeking an efficient and reliable microcontroller.

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