NXP Semiconductors MPC860PVR80D4

Overview

MPC860PVR80D4 from NXP (formerly Freescale) is a PowerQUICC™ integrated communications processor combining a 32-bit Power Architecture™ CPU core and a dedicated RISC-based Communications Processor Module (CPM). It operates at up to 80 MHz, integrates 16 KB instruction and 8 KB data caches, supports 10/100 Mbps Ethernet via SCCs, and features a 357-pin PBGA package with 3.3 V operation and 5 V-tolerant I/O. It targets embedded networking control in industrial gateways and telecom edge devices.

For engineers reviewing the MPC860PVR80D4 datasheet, MPC860PVR80D4 pinout, MPC860PVR80D4 application, or MPC860PVR80D4 equivalent, key selection criteria include its dual-core architecture (CPU + CPM), IEEE 802.3u-compliant Ethernet support, UTOPIA-level ATM interface capability, 32-bit multiplexed bus timing, and thermal performance under 95 °C junction temperature limits.

Technical Context

The MPC860PVR80D4 implements a split-processor architecture: a 32-bit Power Architecture CPU core with MMU, instruction/data caches, and a separate RISC CPM handling serial protocols (HDLC, UART, SPI, I²C, FEC, UTOPIA). The CPM offloads protocol processing from the main CPU, enabling deterministic real-time communication handling.

It supports dynamic bus sizing (8/16/32-bit), up to 66 MHz bus speed (with 80 MHz CPU in 2:1 mode), four SCCs configurable for Ethernet/HDLC/PPP, two SMCs, one SPI, one I²C, and a TSA for TDM time-slot routing. Memory controller supports DRAM, SRAM, Flash, and PCMCIA with eight banks and programmable wait states.

Key Specifications

Pinout & Package

357-ball plastic ball grid array (PBGA), ZQ/VR package code (Case No. 5058), 25 mm × 25 mm × 1.2 mm body, 1.27 mm pitch. Thermal pad on underside soldered to PCB ground plane for optimal heat dissipation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar integrated communications processor applications.

Compared with MPC860PZQ80D4, the MPC860PVR80D4 provides superior thermal conduction to PCB (RθJB = 13 °C/W vs. 14 °C/W) and higher mechanical robustness for vibration-prone deployments; versus MPC855T, it delivers 4× more cache bandwidth and full dual-SCC Ethernet concurrency essential for carrier-grade edge routing.

Availability

MPC860PVR80D4 is available at Aetrix Electronics and suitable for industrial protocol gateways, DSL edge routers, cellular base station controllers, and secure remote terminal units requiring stable component supply across extended product lifecycles.

Supply support for MPC860PVR80D4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors (formerly Freescale Semiconductor) is a global leader in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in Power Architecture™ processors and communications SoCs.

The MPC860 PowerQUICC™ family was designed specifically for embedded networking control - integrating CPU, CPM, and peripheral interfaces to replace multi-chip controller designs in telecom access equipment and industrial gateways.

FAQ

What is the maximum operating frequency of the MPC860PVR80D4 CPU core?

The MPC860PVR80D4 CPU core operates at up to 80 MHz in 2:1 mode (CPU clock double the bus clock). At this speed, the bus must be configured for 40 MHz - the maximum supported bus frequency is 66 MHz, but 80 MHz CPU operation mandates halving the bus rate to maintain timing compliance per Rev. 10 hardware specifications.

Does the MPC860PVR80D4 support IEEE 802.3u 100BASE-TX Ethernet?

Yes, the MPC860PVR80D4 supports IEEE 802.3u 100BASE-TX Ethernet through its SCC1–SCC4 channels when configured in MII mode and paired with an external PHY. The hardware specification confirms full 10/100 Mbps Ethernet capability on all four SCCs, with timing validated up to 100 Mbps operation in the FEC and bus signal timing sections.

What package type and thermal characteristics apply to the MPC860PVR80D4?

The MPC860PVR80D4 uses a 357-pin PBGA package with ZQ/VR designation (Case No. 5058), 25 mm × 25 mm × 1.2 mm body, and 1.27 mm pitch. Its thermal resistance is RθJB = 13 °C/W (junction-to-board, 4-layer board), RθJA = 34 °C/W (natural convection, single-layer board), and maximum junction temperature is 95 °C - all confirmed in Tables 3 and 4 of the Rev. 10 hardware spec.

Can the MPC860PVR80D4 operate with 5 V-tolerant I/O while powered at 3.3 V?

Yes, the MPC860PVR80D4 supports 5 V-tolerant inputs (VIH up to 5.5 V) on most pins except EXTAL and EXTCLK, which require VIHC = 0.7×VDDH to VDDH+0.3 V. However, per Table 6 caution note, no input may exceed VDDH + 2.5 V - so at 3.3 V supply, 5 V inputs are acceptable, but 5.8 V would violate absolute maximum ratings.

What is the role of the Communications Processor Module (CPM) in the MPC860PVR80D4?

The CPM in the MPC860PVR80D4 is a dedicated RISC engine that offloads serial protocol processing from the main CPU - handling HDLC framing, UART transmission, FEC, UTOPIA cell scheduling, and I²C/SPI transactions autonomously. This enables deterministic real-time response (e.g., sub-10 µs SCC interrupt latency) and reduces CPU utilization by up to 40% in high-throughput communication tasks.