NXP Semiconductors LS1043AXN8QQB

Overview

LS1043AXN8QQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor with 1 MB L2 cache, integrated Frame Manager, DPAA v2 acceleration, and SEC 5.4 security engine-designed for branch office routers, vCPE, and industrial PLCs requiring ≥10 Gb/s packet processing at ≤5 W total system power.

For engineers reviewing the LS1043AXN8QQB datasheet, LS1043AXN8QQB pinout, LS1043AXN8QQB application, or LS1043AXN8QQB equivalent, key selection criteria include DDR4/DDR3L memory support, 6× Gigabit Ethernet with IEEE 1588, 3× PCIe Gen2, 3× USB 3.0 with PHY, and hardware virtualization via CoreLink CCI-400 and SMMU.

Technical Context

The LS1043AXN8QQB implements four ARM Cortex-A53 cores operating up to 1.6 GHz, each with 32 KB I-Cache and 32 KB D-Cache, unified under a CoreLink CCI-400 coherent interconnect with SMMU for I/O memory management. It integrates DPAA v2-including Frame Manager for hardware packet parsing/classification/police and Queue/Buffer Managers-to offload CPU-intensive networking tasks.

Its 4-lane 10 GHz multi-protocol SerDes supports six Gigabit Ethernet ports (with IEEE 1588), three PCIe Gen2 interfaces, one SATA 3.0 port, and QUICC Engine for legacy HDLC/TDM/PROFIBUS. The integrated SEC 5.4 engine accelerates IPsec, SSL/TLS, DTLS, IKE, and XOR-based RAID 5.

Key Specifications

Pinout & Package

LS1043AXN8QQB is housed in a 23x23 mm, 780-pin FC-BGA package (RoHS-compliant, Pb-free). Pin assignment follows the LS1043A Reference Manual Rev.6, with dedicated ball groups for DDR4 interface (DQ/DM/DQS/CK/CS/ODT), SerDes lanes (SGMII/XFI/QSGMII), PCIe differential pairs, USB 3.0 SuperSpeed lanes, and QUICC Engine TDM/HDLR signals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1023AXN7QQB and Marvell Armada 7040, the LS1043AXN8QQB uniquely balances 10 Gb/s packet acceleration, hardware-enforced security, and legacy industrial protocol support-making it optimal for space-constrained, fanless edge infrastructure requiring both throughput and determinism.

Availability

LS1043AXN8QQB is available at Aetrix Electronics and suitable for branch office routers, vCPE gateways, and industrial PLC controllers requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade (-40°C to +105°C).

Supply support for LS1043AXN8QQB 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 deep expertise in ARM-based communications processors and trusted execution environments.

The LS1043AXN8QQB belongs to the QorIQ Layerscape family-engineered specifically for embedded networking and industrial infrastructure where deterministic packet processing, hardware security, and legacy protocol interoperability are mandatory design requirements.

FAQ

What is the maximum operating frequency of the LS1043AXN8QQB?

The LS1043AXN8QQB operates at up to 1.6 GHz per ARM Cortex-A53 core. This frequency is guaranteed across the full industrial temperature range (-40°C to +105°C) and supported by the on-die thermal sensor and dynamic voltage/frequency scaling (DVFS) logic. The LS1043AXN8QQB achieves this speed while maintaining ≤5 W total system power in fanless configurations.

Does the LS1043AXN8QQB support DDR4 memory?

Yes, the LS1043AXN8QQB includes a 32-bit DDR4/DDR3L memory controller supporting DDR4-1600 and DDR3L-1866. It is the first value-tier QorIQ processor with native DDR4 support, enabling higher bandwidth (12.8 GB/s peak) and lower voltage (1.2 V) operation compared to DDR3L. The LS1043AXN8QQB maintains full backward compatibility with DDR3L for migration flexibility.

How many Gigabit Ethernet interfaces does the LS1043AXN8QQB support?

The LS1043AXN8QQB supports up to six Gigabit Ethernet interfaces via its 4-lane 10 GHz SerDes, configurable as SGMII, QSGMII, or XFI. All six ports integrate IEEE 1588v2 precision time protocol hardware timestamping and are managed by the Frame Manager for hardware-accelerated packet processing. This capability is fully implemented in the LS1043AXN8QQB silicon and validated in the LS1043A Reference Manual Rev.6.

Is the LS1043AXN8QQB pin-compatible with the LS1023AXN7QQB?

No, the LS1043AXN8QQB is not pin-compatible with the LS1023AXN7QQB. Although both use 780-pin FC-BGA packages, their ball maps differ significantly-particularly in DDR4 address/control routing, SerDes lane assignments, and peripheral signal allocation. Migration from LS1023AXN7QQB to LS1043AXN8QQB requires PCB redesign. The LS1043AXN8QQB pinout is documented in Section 4.2 of the LS1043AFS Rev.6 datasheet.

What security features are integrated into the LS1043AXN8QQB?

The LS1043AXN8QQB integrates TrustZone-enabled secure boot, an SMMU for I/O memory protection, and the SEC 5.4 security engine supporting AES-GCM, SHA-2, RSA-2048, DH-2048, and XOR acceleration. These features enable hardware-rooted chain-of-trust, VM-isolated crypto processing, and full-duplex 10 Gb/s IPsec. All security functions are silicon-verified and enabled in the LS1043AXN8QQB production mask.