NXP Semiconductors MPC860ENVR80D4

Overview

MPC860ENVR80D4 from NXP Semiconductors (formerly Freescale) is a PowerQUICC™ integrated communications controller combining a 32-bit Power Architecture™ CPU core and a RISC-based Communications Processor Module (CPM). It operates at up to 80 MHz, integrates 4 KB instruction and 4 KB data caches, supports up to four 10/100 Mbps Ethernet SCCs, and features a 357-pin PBGA package. It is deployed in industrial networking gateways requiring deterministic real-time packet processing and multi-protocol serial connectivity.

For engineers reviewing the MPC860ENVR80D4 datasheet, MPC860ENVR80D4 pinout, MPC860ENVR80D4 application, or MPC860ENVR80D4 equivalent, key selection considerations include its dual-bus architecture (CPU + CPM), IEEE 802.3u-compliant Ethernet support on SCC1–SCC4, UTOPIA-level ATM interface capability, 32-bit DRAM controller with eight banks, and thermal limits of 95 °C junction temperature under extended industrial conditions.

Technical Context

The MPC860ENVR80D4 implements a split-processor architecture: a 32-bit Power Architecture™ CPU core with MMU, instruction/data caches, and branch prediction handles general-purpose tasks and OS execution, while the dedicated CPM offloads protocol-intensive serial communications-including HDLC, UART, SPI, I²C, and FEC-enabling concurrent high-throughput data channel management without CPU intervention.

Its memory subsystem supports dynamic bus sizing (8/16/32-bit), up to 256 MB per bank across eight configurable banks, and glueless interfacing to DRAM, SRAM, Flash, and PCMCIA devices. The system integration unit provides clock synthesis, real-time clock, watchdog, JTAG debug, and low-power stop/sleep/deep-sleep modes optimized for embedded telecom edge nodes.

Key Specifications

Pinout & Package

Package: 357-ball Plastic Ball Grid Array (PBGA), ZQ/VR designation, 25 mm × 25 mm body, 1.27 mm ball pitch, 1.2 mm height (Freescale case no. 5058, 1103D-02).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC860PZQ80D4 and MPC855TZQ80D4, the MPC860ENVR80D4 delivers optimal balance of Ethernet density, cache efficiency, and thermal headroom for cost-sensitive industrial gateways - its 4 KB/4 KB cache avoids the latency penalty of larger associative structures while retaining full quad-SCC support.

Availability

MPC860ENVR80D4 is available at Aetrix Electronics and suitable for industrial protocol gateways, DSL access multiplexers, secure remote terminal units, and legacy network bridges requiring stable component supply across extended product lifecycles.

Supply support for MPC860ENVR80D4 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, headquartered in Eindhoven, Netherlands, develops high-performance microcontrollers and communication processors for automotive, industrial, and IoT applications.

The MPC860ENVR80D4 belongs to the PowerQUICC™ family - designed specifically for embedded networking infrastructure requiring integrated CPU, communications coprocessor, and multi-protocol serial interfaces in a single die.

FAQ

What is the maximum operating frequency of the MPC860ENVR80D4 CPU core?

The MPC860ENVR80D4 CPU core operates at up to 80 MHz. However, due to bus timing constraints, it must be configured in 2:1 mode (CPU clock twice the bus clock), resulting in a maximum 40 MHz system bus frequency. This configuration is mandatory at 80 MHz CPU speed and is validated in Freescale's hardware specifications Rev. 10.

Does the MPC860ENVR80D4 support IEEE 802.3u 100 Mbps Ethernet on all four SCCs simultaneously?

Yes, the MPC860ENVR80D4 supports full-duplex 100 Mbps Ethernet on all four SCCs concurrently, as confirmed in Table 1 of the MPC860 Hardware Specifications Rev. 10. Each SCC is independently configurable for MII or RMII PHY interface, with hardware CRC and frame alignment acceleration.

What package type and thermal characteristics apply to the MPC860ENVR80D4?

The MPC860ENVR80D4 uses a 357-pin PBGA package (ZQ/VR code, case no. 5058). Its thermal resistance is RθJB = 13 °C/W (junction-to-board) and RθJA = 22 °C/W (junction-to-ambient, 4-layer board), with a maximum junction temperature of 95 °C under extended industrial conditions.

Can the MPC860ENVR80D4 operate in low-power modes while maintaining real-time clock functionality?

Yes, the MPC860ENVR80D4 supports five low-power modes - including Sleep, Deep Sleep, and Power Down - all of which retain RTC and periodic interrupt timer (PIT) operation. The RTC remains powered via KAPWR domain, enabling wake-up events without full system reset.

Is the MPC860ENVR80D4 pin-compatible with other MPC860 family variants such as MPC860P or MPC860T?

Yes, the MPC860ENVR80D4 shares the same 357-pin PBGA ZQ/VR package and pinout with MPC860PZQ80D4, MPC860T, and MPC860DP variants. Freescale's Mechanical Data section (Rev. 10, Table 3) confirms identical package designator ZQ/VR and case number 5058 across these parts.