MPC860SRCZQ50D4

Microprocessors Overview

The MPC860SRCZQ50D4 is a microprocessor from the NXP PowerQUICC family, built on the Power Architecture core. It features a single 32-bit core with 4 KB instruction and data caches. The device supports up to 80 MHz operation and includes an ATM interface compliant with UNI 4.0. It operates at 3.3 V with 5 V TTL compatibility and utilizes a 357-pin PBGA package.

Microprocessors Feature Summary

• Integrated Communications Processor Module (CPM) for serial communication management
• Support for Asynchronous Transfer Mode (ATM) via UTOPIA or byte-aligned serial interfaces
• On-chip memory controllers supporting DRAM, SRAM, and Flash EPROM
• Comprehensive debug capabilities including on-chip emulation

Microprocessors Applications

• Networking controller applications
• Communications systems requiring ATM support
• Industrial control platforms

Microprocessors Procurement Notes

Verify the specific suffix ZQ against official documentation to confirm package height and lead specifications. Confirm that the operating temperature range aligns with system requirements, as extended temperature variants exist within the MPC860 family. Ensure the design accounts for the device's power dissipation characteristics under maximum load conditions.

Microprocessors Selection Notes

Select this component when ATM protocol support is required alongside standard Ethernet connectivity. The integrated CPM reduces external logic requirements for serial communications. Consider thermal management strategies due to the plastic BGA package construction. Verify software toolchain compatibility with the specific silicon revision.

Microprocessors Part Context

This part belongs to the MPC860 PowerQUICC family, which integrates a RISC processor with extensive peripheral support. The family targets high-performance networking and telecommunications markets. Variants differ primarily in cache size, interface availability, and operating frequency limits.

Microprocessors Replacement Considerations

Consult official substitution lists for compatible parts within the MPC860 series. Verify pinout and electrical compatibility before replacing existing components.