NXP Semiconductors LS1043AXE8PQB

Overview

LS1043AXE8PQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor with 1 MB L2 cache, integrated Data Path Acceleration Architecture (DPAA), and support for up to six Gigabit Ethernet ports with IEEE 1588. It delivers up to 10 Gb/s packet processing performance in fanless industrial networking systems such as vCPE and IoT gateways.

For engineers reviewing the LS1043AXE8PQB datasheet, LS1043AXE8PQB pinout, LS1043AXE8PQB application, or LS1043AXE8PQB equivalent, key selection considerations include DDR3L/DDR4 memory controller compatibility, PCIe Gen2 x3 interface count, USB 3.0 w/PHY integration, SEC 5.4 cryptographic acceleration, and QUICC Engine support for legacy TDM/HDLC/PROFIBUS protocols.

Technical Context

The LS1043AXE8PQB implements four ARM Cortex-A53 cores operating at up to 1.6 GHz, interconnected via CoreLink CCI-400 with SMMU for hardware-enforced I/O memory protection in virtualized environments. Its DPAA offloads packet parsing, classification, and policing from CPU cores using dedicated queue and buffer managers.

Networking interfaces are anchored by a 4-lane 10 GHz multi-protocol SerDes supporting six Gigabit Ethernet ports (with Frame Manager-based IP reassembly and inline IPsec), three PCIe Gen2 controllers, one SATA 3.0 port, and triple USB 3.0 controllers with integrated PHYs - all while maintaining sub-5 W system power for fanless designs.

Key Specifications

Pinout & Package

LS1043AXE8PQB is housed in a 23x23 mm, 780-pin FC-BGA package (RoHS-compliant, Pb-free). Pin assignments are defined per the LS1043AFS REV 6 reference schematic and layout guidelines.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043AXE8PQB, the LS1023AXE7KQB trades core count and QUICC Engine for lower power and cost, while the Armada 7040 offers superior CPU performance but requires external solutions for PROFIBUS/HDLC - making LS1043AXE8PQB optimal for integrated industrial networking where protocol flexibility and BOM simplicity are critical.

Availability

LS1043AXE8PQB is available at Aetrix Electronics and suitable for vCPE platforms, industrial PLCs, and multi-protocol IoT gateways requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade operation.

Supply support for LS1043AXE8PQB 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with headquarters in Eindhoven, Netherlands.

The QorIQ LS series - including LS1043AXE8PQB - was designed specifically for embedded networking and industrial infrastructure, emphasizing I/O flexibility, hardware-accelerated packet processing, and BOM-optimized fanless system design.

FAQ

What is the maximum operating frequency of the LS1043AXE8PQB?

The LS1043AXE8PQB features four ARM Cortex-A53 cores operating at up to 1.6 GHz. This frequency is specified under industrial temperature conditions (–40°C to +105°C) with appropriate voltage and thermal management. The LS1043AXE8PQB achieves this speed while maintaining sub-5 W total system power, enabling fanless deployment in space-constrained edge devices.

Does the LS1043AXE8PQB support DDR4 memory?

Yes, the LS1043AXE8PQB integrates a 32-bit DDR3L/DDR4 memory controller. It supports both DDR3L (1.35 V) and DDR4 (1.2 V) DRAM, with configurable timing parameters and on-die termination. This dual-support allows migration to higher-density, lower-power DDR4 while maintaining backward compatibility with existing DDR3L designs.

How many PCIe Gen2 interfaces does the LS1043AXE8PQB provide?

The LS1043AXE8PQB provides three independent PCIe Gen2 interfaces, each implemented as a separate root complex with full link training and hot-plug support. These interfaces can be configured as x1 or x2 lanes depending on slot requirements, and are commonly used for WAN modules, security accelerators, or FPGA-based offload engines in vCPE and security appliance designs.

Is the QUICC Engine present in the LS1043AXE8PQB?

Yes, the LS1043AXE8PQB includes the integrated QUICC Engine subsystem, which supports legacy protocols including HDLC, TDM, and PROFIBUS without external glue logic. This enables direct connection to industrial fieldbus networks and telecom line cards, reducing BOM cost and PCB complexity compared to solutions requiring discrete protocol bridges.

What security features are integrated into the LS1043AXE8PQB?

The LS1043AXE8PQB integrates SEC 5.4 (Security Engine) supporting IPsec, SSL/TLS, DTLS, IKEv1/v2, and high-speed XOR for RAID 5 acceleration. It also includes TrustZone-enabled secure boot with immutable ROM validation, hardware-enforced memory isolation via SMMU, and real-time debug security controls - all essential for certified industrial and networking security appliances.