LS1043AXN8KQB

The LS1043AXN8KQB is an NXP QorIQ Layerscape microprocessor IC featuring a quad-core, 64-bit ARM® Cortex®-A53 CPU complex running at 1.0 GHz. It is designed for embedded networking and industrial infrastructure applications, delivering a balance of multi-core processing, integrated I/O and robust security for small-form-factor and fanless system designs.

With industrial qualification, integrated network and storage interfaces, and hardware security features, this device suits edge, gateway and networking use cases where performance per watt, I/O flexibility and system-level integration are important.

Key Features

• Cores and Architecture  Quad-core ARM® Cortex®-A53, 64-bit CPU complex delivering multi-threaded processing for embedded networking workloads.
• Performance and Cache  1.0 GHz CPU frequency with a large L2-cache architecture described in the LS1043A series to improve CPU performance per watt.
• Memory  Supports DDR3L and DDR4 memory controllers for flexible system memory options.
• Ethernet and Networking I/O  Multi-port Ethernet capability (configurable as up to six 1GbE or a mix including a 10GbE option) with integrated Frame Manager for packet parsing and classification and IEEE® 1588 support.
• High-Speed SerDes and PCIe  Four-lane multi-protocol SerDes for high-speed interfaces, and support for PCI Express Gen2 (three DMA-controlled ports described in the series documentation).
• Storage and USB  Integrated SATA 3.0 (6 Gbps) interface and three USB 3.0 interfaces plus PHY to support modern storage and peripheral connectivity.
• Security  Hardware security features including Secure Boot and ARM® TrustZone® to enable trusted system start-up and trusted execution environments.
• Data Path Acceleration  Series-level Data Path Acceleration Architecture (DPAA) and integrated security engine (SEC 5.4) enable offload of packet processing and cryptographic tasks to reduce CPU overhead.
• System Interconnect and Virtualization  CoreLink CCI‑400 coherent interconnect and SMMU (I/O MMU) support hardware-enforced memory access controls for accelerators and peripherals operating with virtual machines.
• Package and Mounting  780-FCPBGA (23 × 23 mm) surface-mount package (780-FBGA/FCBGA family) suitable for compact board designs.
• Qualification and Environmental  Industrial qualification with an operating temperature range of −40°C to 105°C and RoHS compliance.

Typical Applications

• Branch Office Routers  Provides multi-core processing, multiple Ethernet ports and packet offload to handle routing, firewall and VPN workloads at the edge.
• vCPE and Edge Equipment  Integration of PCIe, USB 3.0 and SATA with DPAA offloads supports virtualized customer premises equipment and compact edge platforms.
• Multi-protocol IoT Gateways  Flexible I/O and protocol support enable aggregation and preprocessing of IoT traffic for industrial and enterprise gateways.
• Industrial PLC and Control  Industrial-grade temperature range and robust interfaces make this device suitable for control systems and automation appliances.
• Security Appliances  On-chip security engine and TrustZone® support inline IPsec and other cryptographic services with reduced CPU load.

Unique Advantages

• Integrated Networking and Offload: Combines multi-port Ethernet, Frame Manager and DPAA offloads to lower CPU utilization for packet-heavy tasks.
• Flexible High-Speed I/O: SerDes, multiple PCIe lanes, USB 3.0 and SATA 3.0 enable diverse peripheral and expansion options in compact designs.
• Trusted Platform Features: Secure Boot and TrustZone® provide hardware-backed foundations for secure system designs and trusted firmware chains.
• Industrial-Grade Operation: Specified for −40°C to 105°C and marked as industrial qualification, supporting deployments in harsh environments.
• Memory and Performance Options: DDR3L and DDR4 memory controller support allows designers to choose memory technology that fits cost and performance targets.
• Compact Package: 780-FCPBGA (23×23) package enables small-form-factor boards and dense system layouts.

Why Choose LS1043AXN8KQB?

The LS1043AXN8KQB delivers a balanced combination of quad-core 64‑bit processing, integrated high-speed I/O and hardware security suitable for embedded networking, industrial controls and edge computing platforms. Its series-level features—such as packet acceleration, coherent interconnect and I/O virtualization support—help reduce system CPU load and simplify software partitioning for virtualized or security-sensitive applications.

This part is aimed at designers seeking a compact, industrially qualified processor that integrates networking, storage and peripheral interfaces while providing a secure execution environment and scalable performance for edge and infrastructure equipment.

Request a quote or submit an inquiry for pricing and availability to move your design forward with the LS1043AXN8KQB.