NXP Semiconductors P1011NSN2DFB

Overview

P1011NSN2DFB from NXP Semiconductors (formerly Freescale) is a single-core Power Architecture e500 communications processor operating at 800 MHz, featuring 32 KB L1 instruction and data caches per core, 256 KB configurable L2 cache with ECC, and three 10/100/1000 Mbps Ethernet controllers with IEEE 1588 timestamping-designed for multiservice gateways and Ethernet switch controllers under tight thermal constraints.

For engineers reviewing the P1011NSN2DFB datasheet, P1011NSN2DFB pinout, P1011NSN2DFB application, or P1011NSN2DFB equivalent, key selection factors include its 689-pin TEPBGA2 package, DDR2/DDR3 memory controller with ECC, integrated security engine (SEC 3.3) supporting AES/SHA/RSA, dual USB 2.0 controllers with ULPI, and SerDes-configurable interfaces including two PCI Express lanes and two SGMII ports.

Technical Context

The P1011NSN2DFB implements a single e500v2 core with 36-bit physical addressing and double-precision floating-point support, coupled to a 256 KB L2 cache that can be partitioned, configured as SRAM, or used for stashing-enabling flexible memory coherency management in control-plane applications.

Its on-chip interconnect integrates a 4-channel DMA controller, programmable OpenPIC-compliant interrupt controller, enhanced local bus controller (eLBC), and a 4-lane SerDes operating up to 3.125 GHz-multiplexed across two PCI Express controllers, two SGMII interfaces, and optional TDM or RGMII configurations.

Key Specifications

Pinout & Package

Package: 689-pin wirebond power-BGA (TEPBGA2), 27 mm × 27 mm, 1.0 mm pitch, RoHS-compliant, with thermal lid and exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8548ECVRAGDB and LS1023A, the P1011NSN2DFB delivers optimal balance of Power Architecture software continuity, IEEE 1588 precision, and SerDes flexibility for cost-sensitive, thermally constrained control-plane applications-without requiring external timing ICs or PCIe switches.

Availability

P1011NSN2DFB is available at Aetrix Electronics and suitable for multiservice gateways, industrial Ethernet controllers, and secure business routers requiring stable component supply across extended product lifecycles.

Supply support for P1011NSN2DFB 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 former standard products division, specializing in secure connectivity and infrastructure solutions.

The QorIQ P1 series-including the P1011NSN2DFB-is designed specifically for cost-optimized, thermally efficient communications processors in networking, telecom, defense, and industrial control applications where software compatibility with PowerQUICC and deterministic timing are essential.

FAQ

What is the maximum supported DDR3 speed for the P1011NSN2DFB?

The P1011NSN2DFB supports DDR3-1333 (667 MHz data rate) with a 32-bit bus width and full ECC capability. This configuration delivers up to 5.3 GB/s peak bandwidth while maintaining error correction for telecom-grade reliability. The memory controller also supports DDR2-800, allowing backward compatibility in legacy designs. P1011NSN2DFB requires strict PCB layout adherence to JEDEC DDR3 routing rules, especially for DQS skew matching across all byte lanes.

Does the P1011NSN2DFB support IEEE 1588 hardware timestamping on all three Ethernet ports simultaneously?

Yes, the P1011NSN2DFB provides full IEEE 1588 v2 hardware timestamping on all three eTSEC controllers-each with independent timestamp registers, fine-resolution nanosecond counters, and event message detection logic. This allows simultaneous boundary clock operation across LAN, WAN, and management interfaces without software intervention. P1011NSN2DFB's timestamp accuracy is specified at ±50 ns under typical conditions, validated per IEEE 1588-2008 Annex D test procedures.

Can the L2 cache on the P1011NSN2DFB be used as general-purpose SRAM?

Yes, the 256 KB L2 cache on the P1011NSN2DFB can be reconfigured as lockable, non-cacheable SRAM via the L2CSR0 register. This mode disables cache tags and uses the entire array as contiguous, low-latency memory-ideal for real-time firmware stacks or cryptographic key buffers. P1011NSN2DFB retains ECC protection in SRAM mode, and the configuration persists across warm resets but requires reinitialization after cold boot.

What SerDes protocols are supported by the P1011NSN2DFB's 4-lane multiplexer?

The P1011NSN2DFB's 4-lane SerDes supports PCI Express 1.1 (x1 or x2), SGMII (up to two ports), RGMII (with external PHY), and TDM (for legacy voice interfaces). Lane allocation is fixed at boot via strap pins or software configuration-no runtime reconfiguration. P1011NSN2DFB does not support SATA, Serial RapidIO, or CPRI on this SerDes; those protocols require P2-series derivatives.

Is the P1011NSN2DFB pin-compatible with the P1020 processor?

Yes, the P1011NSN2DFB is fully pin-compatible with the P1020 in the same 689-pin TEPBGA2 package. Both share identical power, ground, I/O voltage, and signal ballouts-including identical SerDes, PCIe, SGMII, eTSEC, and DDR routing. P1011NSN2DFB and P1020 differ only in core count (single vs. dual) and internal clock tree configuration-enabling drop-in replacement for performance scaling without PCB redesign.