MPC8540VT667LB

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Embedded - Microprocessors

The MPC8540VT667LB is a high performance 32-bit embedded microprocessor that is ideal for embedded industrial and communications applications. It includes an on-chip memory controller, a powerful Peripheral Interrupt Controller, and a variety of peripherals, such as on-chip 10/ 100 Ethernet controller, USB Host/Device and Serial ATA interfaces. It also contains several system level debug features, such as a real-time trace capability, queued memory writes and an advanced instruction trace facility.

Application Areas

The MPC8540VT667LB is ideally suited for applications in industrial automation, communications, security and defense, medical, aeronautical, and automotive applications. It is a highly integrated platform that is well suited for fast time-to-market goals. It is capable of achieving speeds up to 166MHz and can support up to 1GByte of external DRAM, as well as 256MB of on-chip NANDFLASH memory. It is also supported by a comprehensive development environment that includes compilers, debuggers, and hardware evaluation platforms.

Working Principle

The basic working principle behind the MPC8540VT667LB is the utilization of a 32-bit CPU core that is highly optimized for computing and control tasks. The embedded on-chip memory controller permits additional fast memory accesses and data transfers. The CPU core is also protected from outside interference by a set of advanced software- and hardware-based memory protection mechanisms. The peripheral interfaces, such as Ethernet and USB, are also protected from outside interference by advanced access control mechanisms. Additionally, the MPC8540VT667LB incorporates an on-chip Power Management Unit (PMU) that allows the device to automatically transition between low-power and high-performance states.

The MPC8540VT667LB also includes advanced debugging capabilities, such as a Real-time Trace Facility that allows the developers to power up and immediately start debugging the unit. It also includes a queued memory write operation that allows the developers to monitor CPU operation and access memory more efficiently. The advanced instruction trace functionality allows developers to quickly identify and debug slow-running sections of code.

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