NXP Semiconductors LS1043ASE8QQB

Overview

LS1043ASE8QQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor designed for 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 LS1043ASE8QQB datasheet, LS1043ASE8QQB pinout, LS1043ASE8QQB application, or LS1043ASE8QQB equivalent, key selection considerations include its SerDes-based 6× Gigabit Ethernet + IEEE 1588 timing support, triple USB 3.0 with PHY, PCIe Gen2 ×3, SATA 3.0, QUICC Engine for legacy TDM/HDLC/PROFIBUS, and hardware virtualization via CoreLink CCI-400 and SMMU.

Technical Context

The LS1043ASE8QQB implements four ARM Cortex-A53 64-bit cores clocked up to 1.6 GHz, backed by a unified 1 MB L2 cache and CoreLink CCI-400 interconnect with integrated SMMU for I/O memory management in virtualized environments. Its DPAA 2.0 accelerates packet parsing, classification, and distribution while offloading CPU cycles from network stack processing.

Networking is enabled through a 4-lane 10 GHz multi-protocol SerDes supporting up to six Gigabit Ethernet ports (with IEEE 1588 v2 hardware timestamping), three PCIe Gen2 controllers, one SATA 3.0 interface, and integrated Frame Manager with hardware IP reassembly and in-line IPsec via SEC 5.4. Legacy protocol support is provided by the uQE (micro QUICC Engine) for HDLC, TDM, and PROFIBUS without external glue logic.

Key Specifications

Pinout & Package

LS1043ASE8QQB is housed in a 23x23 mm, 780-pin FC-BGA package (RoHS-compliant, Pb-free). Pin mapping is defined in the LS1043AFS Rev 6 reference schematic and pin multiplexing guide; critical signal groups include DDR3L/4 address/control/data buses, SerDes lanes (SGMII/XFI/QSGMII), PCIe differential pairs, USB 3.0 SuperSpeed lanes, and uQE-specific TDM/HDLC pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043ASE8QQB, the LS1023ASE7QQB offers identical architecture with reduced core count and frequency-ideal for scaled-down deployments-while the Armada 8040 trades industrial I/O and crypto acceleration for raw CPU throughput, requiring external solutions for legacy protocols and encrypted traffic handling.

Availability

LS1043ASE8QQB is available at Aetrix Electronics and suitable for branch office routers, vCPE platforms, industrial IoT gateways, and security appliances requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade (-40°C to +105°C).

Supply support for LS1043ASE8QQB 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 networking markets, with deep expertise in ARM-based SoCs and trusted execution environments.

The LS1043ASE8QQB belongs to NXP's Layerscape family of communications processors, engineered specifically for fanless, small-form-factor edge infrastructure requiring integrated networking, security, and industrial protocol support without external co-processors.

FAQ

What is the maximum operating frequency of the LS1043ASE8QQB?

The LS1043ASE8QQB operates at up to 1.6 GHz per ARM Cortex-A53 core. This frequency is guaranteed across the industrial temperature range (-40°C to +105°C) and is supported by the on-die PLL and voltage regulation circuitry specified in the LS1043AFS Rev 6 datasheet. The LS1043ASE8QQB does not support dynamic overclocking beyond this rated speed.

Does the LS1043ASE8QQB support DDR4 memory?

Yes, the LS1043ASE8QQB includes a 32-bit DDR3L/DDR4 memory controller compatible with both DDR3L (1.35 V) and DDR4 (1.2 V) SDRAM. DDR4 support enables higher bandwidth and lower power per bit compared to DDR3L, and is validated per JEDEC standards in the LS1043AFS Rev 6 memory interface specification.

How many Gigabit Ethernet interfaces does the LS1043ASE8QQB support?

The LS1043ASE8QQB supports up to six Gigabit Ethernet interfaces via its 4-lane 10 GHz SerDes, configurable as SGMII, QSGMII, or XFI. All six ports include hardware IEEE 1588 v2 timestamping capability, and packet processing is accelerated by the integrated Frame Manager and DPAA 2.0 architecture.

Is the LS1043ASE8QQB pin-compatible with the LS1023ASE7QQB?

No, the LS1043ASE8QQB and LS1023ASE7QQB are not pin-compatible. Although both use 780-pin FC-BGA packages, their SerDes lane assignments, power rail configurations, and peripheral pin multiplexing differ significantly. Board-level redesign is required when migrating between these two processors.

What security features are integrated into the LS1043ASE8QQB?

The LS1043ASE8QQB integrates SEC 5.4 for hardware-accelerated IPsec, SSL/TLS, DTLS, and IKE; TrustZone for secure world isolation; Secure Boot with immutable ROM-based bootloader; and SMMU-enforced memory protection for virtualized peripherals. These features are documented in the LS1043AFS Rev 6 security chapter and validated in NXP's Common Criteria certification reports.

Does the LS1043ASE8QQB include a QUICC Engine?

Yes, the LS1043ASE8QQB includes a micro QUICC Engine (uQE) that supports legacy industrial protocols including HDLC, TDM, and PROFIBUS. The uQE operates independently of the ARM cores and runs dedicated firmware, enabling glue-less integration with fieldbus infrastructure without external protocol ICs or FPGAs.