KMPC850SRVR80BU

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Embedded systems are a key component of modern technology, ranging from computers to cell phones, and from consumer electronics products to industrial control systems. Microprocessors are a key component of these embedded systems and the KMPC850SRVR80BU microprocessor is no exception. This paper will discuss the application field and working principle of the KMPC850SRVR80BU microprocessor.

Application Field

The KMPC850SRVR80BU microprocessor is a multi-purpose embedded microprocessor developed by Fujitsu. It is used in a wide variety of applications such as digital signage, medical equipment, automotive control systems and industrial robotics. In addition, it is also widely used in a variety of consumer products such as digital cameras, camcorders and digital video recorders (DVRs).

The Fujitsu KMPC850SRVR80BU is a 32-bit processor based on the PowerPC 85x AIM-550 processor architecture. This processor is capable of running at speeds of up to 80 MHz and features a variety of input/output (I/O) ports, on-chip memory controllers and powerful co-processors. It is designed to consume low power and operates on a 5-volt supply. The KMPC850SRVR80BU also has a RISC (Reduced Instruction Set Computer) core that supports a wide range of instructions.

Working Principle

The KMPC850SRVR80BU microprocessor integrates many components into one chip. These components are connected in an internal bus structure and the main component is the processor core. The processor core interprets instructions and interacts with external memory through a memory controller. The processor core is also connected to the I/O controller, which facilitates communication between the processor core and peripherals. The KMPC850SRVR80BU also has a co-processor that connects to the processor core and can be used to offload certain operations from the processor core, such as floating-point calculations.

The processor core is responsible for fetching instructions from memory, decoding the instructions and executing them. The instruction set is optimized for embedded applications and includes arithmetic, logic and control instructions. The processor core can also access memory through a memory controller, allowing it to read and write data from memory. The I/O controller is responsible for managing communication between the processor core and peripherals. The co-processor can be used to offload computationally intensive operations from the processor core.

The KMPC850SRVR80BU microprocessor supports a wide range of operating systems, including Linux, WindowsCE and VxWorks. These operating systems have a layer of application-specific code written on top of the processor-specific code that is responsible for loading, managing and executing the applications. The application developer also has the option of using an embedded hypervisor to run multiple operating systems on the same processor.

Conclusion

The KMPC850SRVR80BU microprocessor is a powerful embedded processor designed for a variety of application fields. It is based on the PowerPC 85x AIM-550 processor architecture and runs at speeds of up to 80 MHz. The processor also features a variety of I/O ports, memory controllers and co-processors. The processor core is responsible for fetching, decoding and executing instructions, and the I/O controller is responsible for managing communication between the processor core and peripherals. The KMPC850SRVR80BU supports a wide range of operating systems, including Linux, WindowsCE and VxWorks.

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