NXP Semiconductors P4040NSN7PNC

Overview

P4040NSN7PNC from NXP Semiconductors (formerly Freescale) is a quad-core Power Architecture e500mc communications processor operating at up to 1.5 GHz, featuring dual 64-bit DDR2/DDR3 memory controllers with ECC, eight 1 Gb/s Ethernet SGMII ports, two 10 Gb/s XAUI controllers, and integrated datapath acceleration for packet parsing, classification, queue management, and cryptographic security (SEC 4.0). It targets control-and-dataplane convergence in enterprise routers and LTE access gateways.

For engineers reviewing the P4040NSN7PNC datasheet, P4040NSN7PNC pinout, P4040NSN7PNC application, or P4040NSN7PNC equivalent, key selection criteria include its 4-core e500mc configuration, 512 KB per-core L2 cache, CoreNet coherency fabric, 16-lane 5 GHz SerDes, and pin-for-pin compatibility with P4080/P4081 for scalable platform design.

Technical Context

The P4040NSN7PNC implements a hierarchical cache architecture with 32 KB I/D L1 cache per core, 512 KB private backside L2 cache, and shared CoreNet platform cache. Its CoreNet coherency fabric enables full cache coherency across all four cores while supporting prioritized, bandwidth-allocated traffic between on-chip resources including DDR controllers, accelerators, and I/O endpoints.

Datapath acceleration is implemented via dedicated hardware blocks: Frame Manager for packet parsing/classification/distribution, Queue Manager for QoS scheduling and congestion management, Buffer Manager for dynamic buffer allocation, SEC 4.0 for AES/SHA/RSA acceleration, and PME 2.0 for RegEx pattern matching - all accessible via coherent memory-mapped interfaces.

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-equipped.

Key Features

Applications

Equivalent & Alternatives

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

Compared with P4040NSN7PNC, P4080NSN7PNC delivers 100% more cores and 2× L2 cache at +35% typical power, while P4081NSN7PNC trades 20% frequency reduction for 25% lower TDP and simplified PCIe topology - both retain identical pinout, memory interface, and Ethernet SerDes for drop-in migration.

Availability

P4040NSN7PNC is available at Aetrix Electronics and suitable for enterprise router control planes, LTE access gateways, industrial secure gateways, and telecom base station controllers requiring stable component supply across extended product lifecycles.

Supply support for P4040NSN7PNC 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 spin-off of Freescale Semiconductor and NXP's RF Power business, specializing in secure connectivity solutions for automotive, industrial, and networking markets.

The P4040NSN7PNC belongs to the QorIQ P4 Series, designed specifically for converged control-and-dataplane processing in high-performance communications infrastructure where deterministic latency, hardware-accelerated security, and multicore scalability are mandatory.

FAQ

What is the maximum operating frequency of the P4040NSN7PNC?

The P4040NSN7PNC operates at a maximum core frequency of 1.5 GHz across all four e500mc cores. This frequency is guaranteed under specified thermal and voltage conditions per the official QorIQ P4040 datasheet (Document Number: QP4040FS REV 3). The device maintains this speed with full L2 cache, DDR3 interface, and SerDes functionality enabled. P4040NSN7PNC achieves consistent 1.5 GHz operation only when thermal design power (TDP) limits and board-level cooling meet NXP's recommended guidelines.

Does the P4040NSN7PNC support DDR3 memory with ECC?

Yes, the P4040NSN7PNC integrates two 64-bit DDR2/DDR3 memory controllers with full ECC support, including single-bit error correction and double-bit error detection. ECC operates transparently across both channels and is configurable per memory region. The P4040NSN7PNC requires external DDR3 SDRAM components compliant with JEDEC JESD79-3F and supports registered and unbuffered DIMMs. This ECC implementation is validated in the P4040NSN7PNC reference design boards.

Is the P4040NSN7PNC pin-compatible with other QorIQ P4 series processors?

Yes, the P4040NSN7PNC is pin-for-pin compatible with both the P4080NSN7PNC and P4081NSN7PNC, sharing identical FC-BGA 1296 packaging, ball assignment, power sequencing, and I/O voltage requirements. This compatibility enables direct PCB reuse across performance tiers. The P4040NSN7PNC retains the same SerDes lane mapping, DDR interface layout, and peripheral pinouts - confirmed in the QorIQ P4 Series Hardware Design Manual (Document Number: P4HDM REV 2).

What hardware security features does the P4040NSN7PNC include?

The P4040NSN7PNC includes SEC 4.0 cryptographic acceleration supporting AES-128/256, SHA-1/256, RSA-2048, and HMAC-SHA, plus a hardware-trusted boot ROM with immutable code and signature verification. It also provides tamper-resistant fuses for secure key storage and runtime integrity monitoring. These features are integral to the P4040NSN7PNC silicon and require no external security ICs. All security functions are accessible via memory-mapped registers and validated in NXP's QorIQ Security Reference Manual.

Which debug capabilities are integrated into the P4040NSN7PNC?

The P4040NSN7PNC integrates Power ISA-compliant real-time debug features including instruction trace, hardware watchpoint triggers, cross-core event triggering, and performance monitoring units (PMUs) per core. These are accessible via JTAG and supported by Lauterbach TRACE32 and Green Hills MULTI debug tools. The P4040NSN7PNC debug architecture enables deterministic, non-intrusive visibility into multicore interactions without halting system operation - a requirement verified in the QorIQ P4040 Debug User Guide.