MPC860ENZQ50D4R2

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The MPC860ENZQ50D4R2 is a single–chip PowerPC family microprocessor suited for a wide range of embedded products. It is an ideal solution for high-performance embedded control applications such as industrial robots, network routers, switches, digital set-top boxes and motor controllers. The microprocessor boasts of an array of features which enable it to handle sophisticated embedded control applications.

Application Field

The application field of the MPC860ENZQ50D4R2 microprocessor can be broadly classified into three areas: controllers for robotics and automation, communications and networking, and digital media and digital signal processing.

In the field of robotics and automation, the 860EN can be used to design low power and cost effective automation solutions. It is capable of supporting a modern, robust real-time operating system as well as powerful signal and control processing, making it ideal for mobile robots, sensing and control systems and semiconductor production processes.

In the field of communications and networking, the 860EN is suited for high-performance network processor applications. It can also serve as the core processor for wireless access point systems, VoIP phones, and multi-service switching platforms. With its wide and flexible system interfaces, the 860EN can accommodate almost any current or future interface standards, including 802.3, 802.11, 802.15, 802.16 and more.

Finally, in the area of digital media and digital signal processing, the 860EN can be used to build video encoder and decoder systems, digital video broadcast systems, digital radio, digital still camera controllers, 3D game platforms and home entertainment systems. Its floating point unit also makes it suitable for image processing, speech recognition and 3D graphics.

Working Principle

The MPC860ENZQ50D4R2 is a highly integrated single chip RISC microprocessor. It combines a high-performance Power Architecture processor core, System Arm ASIC and on-chip peripherals to enable a compact and cost-effective design. The microprocessor is based on the 32-bit PowerISA architecture and runs at a maximum frequency of 66 MHz.

The processor core incorporates an efficient branch predictor, data caching, pre-fetch unit, unified instruction and data caches and a 5-stage pipelined architecture to maximize performance and reduce power consumption. The core also features auto-negotiation logic to automatically select the most appropriate system speed and voltage.

The on-chip system peripherals include two independent direct memory access (DMA) engines with advanced descriptor handling and prioritization capability, a local timer, a timer peripheral block (TMR), two UARTs, an I2C bus controller, two CAN controllers with FIFO and two independent interrupts, a PCI bridge and two external memory controller interfaces.

The MPC860EN also supports a wide range of industry-standard bus architectures including the CompactPCI, PCI, PCMCIA and the Real-Time System Bus (RTSB). It also supports an optional 16-bit or 32-bit system bus for connecting external peripherals.

Finally, the processor includes an extensive embedded run-control monitor which allows code execution from system RAM and ROM, while supporting logging and tracing capabilities. It also supports endpoint initialization and on-CPU debugging through Ethernet, USB and serial ports.

Overall, the MPC860ENZQ50D4R2 is an extremely powerful and versatile microprocessor that can be used in a wide range of embedded applications.

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