MPC8540VT667LC

Overview

The MPC8540VT667LC is a 32-bit microprocessor from the PowerQUICC III family, built on the PowerPC e500 core architecture. It operates at a maximum clock frequency of 667 MHz and features a 783-pin Flip Chip Ball Grid Array (FCBGA) package measuring 29x29 mm. The device integrates a 256 KB L2 cache, two Tri-Speed Ethernet Controllers (TSEC), and interfaces including PCI-X, RapidIO, and DDR SDRAM support. Designed for industrial environments, it supports an operating temperature range of -40°C to +105°C.

Feature Summary

• Integrates a high-performance 32-bit e500 compatible embedded processor core with dual-issue superscalar pipeline
• Includes system-level support for industry-standard networking interfaces such as Gigabit Ethernet and PCI-X
• Features enhanced hardware and software debugging capabilities alongside a Memory Management Unit (MMU)
• Supports low-power modes and includes integrated DMA controllers for efficient data handling

Applications

• Industrial control systems requiring robust processing in harsh environments
• Point-of-Sale (POS) terminals needing reliable communication interfaces
• Wireless infrastructure equipment utilizing PowerQUICC III architecture

Procurement Notes

Verify the specific suffix 'VT667LC' against official NXP/Freescale documentation to confirm pinout compatibility and electrical characteristics. Ensure the component meets the required industrial temperature grade (-40°C to +105°C) for your application environment. Cross-reference the datasheet revision history for any known errata affecting system stability or interface functionality before finalizing procurement.

Selection Notes

Select this processor when a balance of moderate clock speed and extensive peripheral integration is required for embedded networking tasks. Consider the 783-pin FCBGA package constraints during PCB layout design. Evaluate the power consumption profile against thermal management capabilities, especially given the industrial temperature range requirements. Verify software toolchain compatibility with the e500 core architecture for development.

Part Context

The MPC8540 belongs to the PowerQUICC III family of communications processors, designed for infrastructure applications. Originally developed by Freescale Semiconductor, which was acquired by NXP Semiconductors, this series combines Power Architecture cores with dedicated hardware accelerators. The MPC8540 variant specifically targets cost-sensitive yet performance-demanding embedded markets, offering a compact solution for network gateways and control units.

Replacement Considerations

Consult official substitution guides for direct replacements within the MPC8540 series, such as variants with different clock speeds or temperature ratings. Verify pin-to-pin compatibility if considering upgrades to higher-frequency models like the MPC8540VTAQFB. Ensure that any substitute part maintains the same package type and voltage levels to avoid redesign.