LS1043AXN7PQB
| Part Description |
ARM® Cortex®-A53 Microprocessor IC QorIQ® Layerscape 4 Core, 64-Bit 1.4GHz 621-FCPBGA (21x21) |
|---|---|
| Quantity | 623 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | LS1043A |
| Manufacturer | NXP USA Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 18 Weeks |
| Datasheet |
Specifications & Environmental
| Core Processor | ARM® Cortex®-A53 | Device Package | 621-FCPBGA (21x21) | ECCN | 5A002A1 | ||
|---|---|---|---|---|---|---|---|
| Ethernet | 1GbE (7) or 10GbE (1) & 1GbE (5) | HTS Code | 8542.31.0001 | Moisture Sensitivity Level | 3 (168 Hours) | ||
| Mounting Method | Surface Mount | Mounting Type | Surface Mount | Number of Cores/Bus Width | 4 Core, 64-Bit | ||
| Operating Temperature | -40°C ~ 105°C | Package / Case | 621-FBGA, FCBGA | RAM Controllers | DDR3L, DDR4 | ||
| REACH Compliance | REACH Unaffected | RoHS Compliance | ROHS3 Compliant | SATA | SATA 6Gbps (1) | ||
| Security Features | Secure Boot, TrustZone® | Speed | 1.4GHz | Supplier Device Package | 621-FCPBGA (21×21) | ||
| USB | USB 3.0 (3) + PHY |
Overview of LS1043AXN7PQB – IC MPU QORIQ 1.4GHZ 621FCPBGA
The LS1043AXN7PQB is an NXP QorIQ Layerscape microprocessor IC built on a quad-core, 64‑bit ARM® Cortex®-A53 architecture running at 1.4 GHz. It targets embedded networking and industrial infrastructure, delivering a compact, fanless-capable solution for small-form-factor edge equipment.
Designed for applications such as branch office routers, vCPE, multi‑protocol IoT gateways and industrial control, the device emphasizes integration and efficient packet processing through proven data‑path acceleration and security features.
Key Features
- CPU Core Quad ARM® Cortex®-A53 64‑bit cores at 1.4 GHz supporting high-efficiency general purpose processing.
- Memory Support Integrated memory controllers for DDR3L and DDR4 to support flexible system memory configurations.
- High‑Performance Networking Multi-protocol SerDes and integrated Frame Manager with support for up to six Gigabit Ethernet ports or a mix of 10GbE and 1GbE interfaces, enabling hardware packet parsing and classification.
- Data Path Acceleration QorIQ Data Path Acceleration Architecture (DPAA) offload engines and integrated SEC security engine (SEC 5.4) to reduce CPU overhead for packet and crypto workloads; series-level aggregate throughput up to 10 Gb/s as described in product documentation.
- Peripheral Interfaces On-chip interfaces include SATA 6 Gbps (1), USB 3.0 (3) with PHY, and three DMA-controlled PCIe Gen2 ports for flexible I/O expansion.
- Legacy and Deterministic I/O Integrated QUICC Engine technology for glue-less support of HDLC, TDM, or PROFIBUS protocols.
- System Coherency and Isolation CoreLink CCI‑400 coherent interconnect with SMMU (I/O MMU) for hardware-enforced memory access controls for accelerators and peripherals.
- Security Secure Boot and ARM® TrustZone® support to enable secure system boot and trusted execution environments.
- Industrial Qualification & Thermal Range Industrial qualification with an operating temperature range of −40 °C to 105 °C for deployment in demanding environments.
- Package 621‑FCPBGA (21 mm × 21 mm) surface‑mount package for compact board designs.
Typical Applications
- Branch Office Routers: Use the LS1043A processor to implement multi‑service routing and packet processing in compact, fanless routing platforms.
- vCPE and Edge Equipment: Host virtualized network functions and edge services with integrated acceleration and hardware-enforced memory partitioning.
- Multi‑protocol IoT Gateways: Consolidate protocol translation and secure connectivity for diverse field devices using QUICC Engine and on-chip security.
- Industrial PLC and Control: Deploy in industrial control systems requiring industrial temperature qualification and deterministic I/O support.
- Security Appliances: Leverage the integrated SEC engine and frame-management offload to perform in-line IPsec and packet processing with reduced CPU load.
Unique Advantages
- Highly Integrated I/O: A broad set of on-chip interfaces (GbE/10GbE, PCIe, USB 3.0, SATA) reduces external components and BOM complexity.
- Packet and Crypto Offload: DPAA and SEC 5.4 reduce CPU overhead for networking and security workloads, helping achieve multi‑Gb/s throughput in edge systems.
- Secure, Partitioned System Design: CoreLink CCI‑400 with SMMU plus Secure Boot and TrustZone enable hardware-enforced isolation for virtualized and mixed‑trust applications.
- Industrial Grade Reliability: Industrial qualification and −40 °C to 105 °C operating range support deployment in harsh and temperature‑sensitive environments.
- Legacy Protocol Support: Integrated QUICC Engine enables glue‑less support for HDLC, TDM, and PROFIBUS, simplifying migration of legacy field interfaces.
- Compact Package for Dense Designs: 621‑FCPBGA (21×21 mm) package enables small‑form‑factor board layouts for space‑constrained equipment.
Why Choose LS1043AXN7PQB?
The LS1043AXN7PQB combines a quad‑core ARM® Cortex®-A53 processing complex with advanced data‑path acceleration, integrated security, and a versatile set of high‑speed interfaces—making it well suited for embedded networking and industrial infrastructure designs that require compact, efficient packet processing. Its industrial temperature qualification and comprehensive I/O reduce external components while supporting deterministic and legacy interfaces.
Engineers designing branch routers, vCPE, IoT gateways, industrial controllers or security appliances will find the LS1043AXN7PQB offers a balance of performance, integration, and platform-level features backed by the QorIQ Layerscape family and NXP documentation for system integration and development.
Request a quote or contact sales to discuss pricing, availability, and integration support for the LS1043AXN7PQB.

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