NXP Semiconductors P4040NXN7MMC

Overview

P4040NXN7MMC from NXP Semiconductors (formerly Freescale) is a quad-core Power Architecture e500mc communications processor designed for control- and dataplane processing in networking infrastructure. It operates at up to 1.5 GHz, integrates dual 64-bit DDR2/DDR3 memory controllers with ECC, supports eight 1 Gb/s Ethernet (SGMII) and two 10 Gb/s Ethernet (XAUI) interfaces, and delivers real-time packet parsing, classification, and cryptographic acceleration (SEC 4.0) for LTE access gateways and enterprise routers.

For engineers reviewing the P4040NXN7MMC datasheet, P4040NXN7MMC pinout, P4040NXN7MMC application, or P4040NXN7MMC equivalent, key selection criteria include its 4-core e500mc SMP/AMP configurability, CoreNet coherency fabric bandwidth allocation, 512 KB private L2 cache per core, and pin-for-pin compatibility with the P4080 for scalable platform design.

Technical Context

The P4040NXN7MMC implements a hierarchical cache architecture: each of its four e500mc cores includes 32 KB instruction and 32 KB data L1 caches plus a dedicated 128 KB backside L2 cache, with a shared 2 MB CoreNet platform cache (L3) enabling coherent multi-core resource sharing. Its CoreNet coherency fabric supports prioritized, bandwidth-allocated transactions across 800 Gb/s coherent read bandwidth.

It integrates a full datapath acceleration suite including Frame Manager for packet parsing/classification/distribution, Queue Manager for QoS scheduling, Buffer Manager for dynamic buffer allocation, SEC 4.0 for AES/SHA/RSA acceleration, and PME 2.0 for RegEx pattern matching - all operating independently of CPU cores to offload layers 2–7 processing.

Key Specifications

Pinout & Package

Package: 1296-ball FC-BGA (Fine-Pitch Ball Grid Array), 37.5 mm × 37.5 mm, 1.0 mm ball pitch, RoHS-compliant, thermal lid integrated for industrial temperature operation (–40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with P4080NXN7MMC and P4040NXN7MHC, the P4040NXN7MMC delivers optimal balance of core count, thermal robustness, and power efficiency for mid-tier networking equipment - offering full pin compatibility with the P4080 while reducing active power by ~35% through core count scaling.

Availability

P4040NXN7MMC is available at Aetrix Electronics and suitable for enterprise routers, LTE access gateways, radio network controllers (RNCs), and industrial SDN switches requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for P4040NXN7MMC 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 is a global semiconductor company formed from the acquisition of Freescale Semiconductor in 2015, specializing in secure connectivity solutions for automotive, industrial, and communications markets.

The P4040NXN7MMC belongs to the QorIQ P4 Series, engineered specifically for high-performance, low-power communications infrastructure requiring integrated control-plane and hardware-accelerated datapath processing in a single SoC.

FAQ

What is the maximum operating frequency of the P4040NXN7MMC?

The P4040NXN7MMC operates at a maximum core frequency of 1.5 GHz across all four e500mc cores. This frequency is sustained under industrial temperature conditions (–40°C to +105°C) with appropriate voltage regulation and thermal management. The device's 45 nm SOI process enables this performance within a sub-30W thermal envelope, making it suitable for fanless or convection-cooled networking equipment where the P4040NXN7MMC serves as the primary compute engine.

Does the P4040NXN7MMC support DDR3 memory?

Yes, the P4040NXN7MMC supports both DDR2 and DDR3 SDRAM via dual 64-bit memory controllers with ECC, interleaving, and programmable timing parameters. It complies with JEDEC DDR3-1333 (PC3-10600) specifications and supports up to 8 GB total memory capacity. This capability is essential for applications like LTE gateways where the P4040NXN7MMC must maintain large packet buffers and routing tables while ensuring data integrity through ECC correction.

Is the P4040NXN7MMC pin-compatible with other QorIQ P4 processors?

Yes, the P4040NXN7MMC is pin-for-pin compatible with the P4080NXN7MMC and P4081NXN7MMC processors. This allows direct substitution on existing PCBs without layout changes, enabling scalable platform design where customers can upgrade from 4-core to 8-core configurations using identical mechanical and electrical interfaces. The P4040NXN7MMC retains all I/O functionality - including Ethernet, PCIe, sRIO, and peripheral buses - matching the P4080's feature set except for core count and L2 cache size.

What security features does the P4040NXN7MMC include?

The P4040NXN7MMC integrates SEC 4.0 (Security Engine) supporting AES-128/256, SHA-1/256, RSA-2048, and HMAC acceleration, along with secure boot capability using fused keys and immutable ROM-based bootloader. These features enable hardware-enforced trust architecture for IPsec, TLS, and secure firmware updates. In applications such as enterprise firewalls, the P4040NXN7MMC uses SEC 4.0 to sustain encrypted throughput exceeding 2 Gbps without consuming CPU cycles, preserving core resources for application-layer processing.

What debug capabilities are built into the P4040NXN7MMC?

The P4040NXN7MMC includes comprehensive on-chip debug infrastructure: instruction trace, configurable watchpoint triggers, cross-event triggers linking core and accelerator events, performance monitoring units (PMUs), and CoreNet fabric visibility. These features allow developers to isolate timing anomalies and race conditions across multiple e500mc cores and accelerators during bring-up of complex networking stacks. When developing custom firmware for the P4040NXN7MMC, engineers use these capabilities to validate real-time behavior in LTE gateway control-plane software without external logic analyzers.