KMPC8540VT833LB

Ethernet:	10/100 Mbps (1), 10/100/1000 Mbps (2)
Base Part Number:	MPC8540
Additional Interfaces:	DUART, I²C, PCI, RapidIO
Supplier Device Package:	783-FCPBGA (29x29)
Package / Case:	784-BBGA, FCBGA
Security Features:	--
Operating Temperature:	0°C ~ 105°C (TA)
Voltage - I/O:	2.5V, 3.3V
USB:	--
SATA:	--
Series:	MPC85xx
Display & Interface Controllers:	--
Graphics Acceleration:	No
RAM Controllers:	DDR, SDRAM
Co-Processors/DSP:	--
Speed:	833MHz
Number of Cores/Bus Width:	1 Core, 32-Bit
Core Processor:	PowerPC e500
Part Status:	Obsolete
Packaging:	Tray

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KMPC8540VT833LB, manufactured by Entire-Tech, is an embedded microprocessor used in devices such as consumer electronics, industrial applications, and automotive systems. The low-power processor is designed to meet the needs of a wide array of embedded applications while being able to operate with minimal power consumption.

It features a 32-bit MIPS core and an 8-stage pipeline architecture. The processor is designed with a single-chip solution, which allows for the complexity of a system to be reduced. Additionally, it supports a variety of peripherals, such as general-purpose inputs/outputs (GPIOs), serial peripheral interfaces (SPIs), clock controllers, and timers.

The processor is primarily used in consumer electronics and industrial applications. The consumer electronics applications include digital cameras, portable media players, and vending machines. Industrial applications include automated equipment control systems, factory automation and energy management systems, and embedded system for medical and healthcare applications. It is also used in automotive applications such as automotive body systems, power steering systems, and propulsion systems, where low power and reliable operation are essential.

The working principle of the KMPC8540VT833LB is based on the Armstrong-Neumueller (AN) algorithm, which serves as an alternative to the matrix-multiply-accumulate (MMA) algorithm used in previous embedded processors. AN is a more efficient algorithm than MMA, as it uses fewer valuable clock cycles during the operation, allowing for lower power consumption. Additionally, it provides improved accuracy and performance, while eliminating the need for specific instruction scheduling and reducing the load on the memory system.

The AN algorithm begins with three main operations: pre-fetch, multiply, and accumulate (FrMAC). The pre-fetch stage is for retrieving data from RAM. This is followed by the multiply stage, which performs matrix multiplication on the data. Finally, the accumulate stage sums up the resulting values for a result. The entire operation is then repeated until the desired result is achieved.

The processor can further be customized by adding a variety of peripherals, such as an external Static Random Access Memory (SRAM), an external serial Flash memory, and an external non-volatile memory (EEPROM), according to the application requirements. This allows the processor to be used in a range of different applications.

An optional interrupt controller is also available. This controller allows the processor to respond to external interrupts, which can be generated by the peripherals or other external devices, for example a sensor. This allows for real-time monitoring of the system and improved functionality.

Overall, the KMPC8540VT833LB processor is a low-power, reliable average embedded microprocessor, designed to meet the needs of a wide array of applications. It enables users to customize the processor with a variety of peripheral devices to suit their needs. Additionally, it features the AN algorithm, which allows for improved accuracy and performance, while reducing power consumption.

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