NXP Semiconductors LS1043ASN8MQB

Overview

LS1043ASN8MQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor targeting enterprise edge, industrial control, and networking applications. It delivers up to 10 Gb/s packet processing with integrated Frame Manager, DPAA offload engines, and SEC 5.4 security engine, operating at up to 1.6 GHz per core with 1 MB L2 cache and DDR4/DDR3L memory support.

For engineers reviewing the LS1043ASN8MQB datasheet, LS1043ASN8MQB pinout, LS1043ASN8MQB application, or LS1043ASN8MQB equivalent, key selection criteria include its SerDes-based I/O flexibility (6× Gigabit Ethernet w/IEEE 1588, 3× PCIe Gen2, 3× USB 3.0), hardware virtualization support via SMMU, and fanless 5 W system power envelope for compact industrial deployments.

Technical Context

The LS1043ASN8MQB implements four ARM Cortex-A53 cores in a coherent interconnect using CoreLink CCI-400, with individual 32 KB I/D caches and shared 1 MB L2 cache. Its Data Path Acceleration Architecture (DPAA) includes Frame Manager, Queue Manager, Buffer Manager, and hardware parsers enabling line-rate packet classification and IPsec offload via SEC 5.4.

System-level connectivity is enabled by a 4-lane 10 GHz multi-protocol SerDes supporting up to six Gigabit Ethernet ports (with IEEE 1588 v2), three PCIe Gen2 interfaces, one SATA 3.0 port, and QUICC Engine for legacy TDM/HDLC/PROFIBUS. Memory subsystem supports DDR3L/DDR4 at 1600 MT/s with ECC capability.

Key Specifications

Pinout & Package

LS1043ASN8MQB is housed in a 23 mm × 23 mm, 780-pin FC-BGA package (S/N8 suffix), RoHS-compliant, with thermal lid and 0.8 mm ball pitch. Pin mapping follows the LS1043A Reference Manual Rev.6 and includes dedicated SerDes banks, DDR3L/DDR4 DQ/DQS groups, and multiplexed peripheral signals routed to specific ball rows/columns.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043ASN8MQB, the LS1023ASN7MQB reduces core count and cache to lower cost and power, while the LS1046ASN8MQB upgrades core microarchitecture and bandwidth for next-generation edge compute-both share identical SerDes, security, and peripheral IP blocks for ecosystem continuity.

Availability

LS1043ASN8MQB is available at Aetrix Electronics and suitable for branch office routers, industrial PLC controllers, and vCPE edge gateways requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade (-40°C to +105°C).

Supply support for LS1043ASN8MQB 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 LS1043ASN8MQB belongs to the QorIQ Layerscape family, engineered specifically for fanless, small-form-factor embedded networking and industrial infrastructure-balancing performance, power efficiency, and legacy protocol support in a single SoC.

FAQ

What is the maximum operating frequency of the LS1043ASN8MQB?

The LS1043ASN8MQB operates at up to 1.6 GHz per ARM Cortex-A53 core under industrial temperature conditions (−40°C to +105°C), as validated in the LS1043AFS Rev 6 datasheet. This frequency is sustained across all four cores with appropriate thermal design and DDR4 memory timing margins.

Does the LS1043ASN8MQB support DDR4 memory?

Yes, the LS1043ASN8MQB supports both DDR3L and DDR4 memory interfaces at 1600 MT/s with ECC capability. DDR4 support is implemented in hardware and validated for industrial temperature operation, enabling higher density and lower voltage memory configurations than DDR3L-only alternatives.

How many Gigabit Ethernet ports does the LS1043ASN8MQB integrate?

The LS1043ASN8MQB integrates up to six Gigabit Ethernet MACs, all managed by the hardware Frame Manager. These can be configured as SGMII, RGMII, or QSGMII (via external PHY), with IEEE 1588 v2 timestamping support on all ports for precise time-synchronized industrial networking.

Is the LS1043ASN8MQB pin-compatible with other QorIQ LS series processors?

No, the LS1043ASN8MQB is not pin-compatible with LS1023A or LS1046A variants due to differences in SerDes lane allocation, power rail requirements, and ball-out optimization. While package footprint is identical (780-pin FC-BGA), signal mapping and power sequencing differ-requiring unique PCB layout.

What security features are integrated into the LS1043ASN8MQB?

The LS1043ASN8MQB integrates SEC 5.4 for cryptographic acceleration (AES-GCM, SHA-256, RSA), TrustZone-enabled secure boot, and CoreLink CCI-400 with SMMU v2 for hardware-enforced memory isolation between VMs and peripherals-providing end-to-end protection for industrial and networking firmware.