MPC850CVR66BU

Overview

The MPC850CVR66BU is a PowerQUICC integrated communications processor featuring an embedded 32-bit MPC8xx core operating at 66 MHz. It includes a 32-bit RISC Communications Processor Module (CPM), 8 Kbytes of dual-port RAM, and a memory controller supporting DRAM and SRAM. The device integrates Ethernet, USB 1.x, I2C, SPI, UART, and PCMCIA interfaces within a 256-pin PBGA package.

Feature Summary

• Integrates a high-performance embedded MPC8xx core with a dedicated 32-bit RISC Communications Processor for offloading peripheral tasks.
• Supports comprehensive communication protocols including Ethernet, HDLC, and USB via the Communications Processor Module.
• Features a versatile memory controller capable of interfacing with various external memory types such as SDRAM and Flash.

Applications

• Cost-sensitive remote-access networking equipment
• Telecommunications applications requiring protocol processing
• Controller applications utilizing integrated serial and parallel interfaces

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance documentation matches specific manufacturing lot requirements. Ensure handling procedures account for moisture sensitivity levels specified in the datasheet during storage and assembly processes.

Selection Notes

Select this component for designs requiring a single-chip solution combining a PowerPC core with extensive serial communication capabilities. Evaluate thermal management requirements carefully as junction temperature limits are critical. Consider the 256-pin BGA package constraints for PCB layout and routing density.

Part Context

This microprocessor belongs to the MPC850 family within the PowerQUICC series by NXP Semiconductors. It is designed for embedded networking and control systems, offering a balance of processing power and peripheral integration suitable for industrial and telecommunications environments.

Replacement Considerations

Consult official NXP documentation for direct pin-compatible or functional substitutes within the MPC8xx family. Verify interface compatibility and firmware adaptability when considering alternative processors from the same manufacturer.

FAQ

What is the maximum supported bus speed for the MPC850?

The maximum bus speed supported by the MPC850 is 50 MHz. Higher-speed variants must operate in half-speed bus mode.

Does the MPC850 support dynamic voltage scaling?

Yes, the device supports dynamic shifting between high frequency operation at 3.3V internal logic and low frequency operation at 2.2V internal logic.