LS1043ASE7PQB
| Part Description |
ARM® Cortex®-A53 Microprocessor IC QorIQ® Layerscape 4 Core, 64-Bit 1.4GHz 621-FCPBGA (21x21) |
|---|---|
| Quantity | 883 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 | 0°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 LS1043ASE7PQB – ARM® Cortex®-A53 Quad-Core 1.4 GHz, 621-FCPBGA
The LS1043ASE7PQB is an ARM® Cortex®-A53 based QorIQ® Layerscape microprocessor in a 621-FCPBGA (21x21) package. This quad-core, 64‑bit device runs at 1.4 GHz and targets embedded networking and industrial infrastructure applications.
Designed for small-form-factor networking and edge equipment, the device combines multi‑core processing, flexible I/O and proven data‑path offload capabilities to deliver performance, energy efficiency and system integration for branch routers, IoT gateways, industrial control and security appliances.
Key Features
- Core & Architecture Quad ARM® Cortex®-A53 cores, 64‑bit architecture running at 1.4 GHz; series architecture includes a large L2 cache and an efficient pipeline for energy‑aware processing.
- Memory & Storage Integrated controllers for DDR3L and DDR4 memory; single SATA 6 Gbps port for storage connectivity.
- Networking & I/O Flexible Ethernet options as specified: 1GbE (7) or 10GbE (1) & 1GbE (5). The series also provides multi‑protocol SerDes, PCIe interfaces and USB 3.0 support (3 ports + PHY) for broad peripheral connectivity.
- Security & Virtualization Hardware security features including Secure Boot and ARM TrustZone®; architecture includes support for a security engine and I/O MMU (SMMU) for controlled accelerator and peripheral access.
- Power & Efficiency ARM Cortex‑A53 cores and energy‑efficient pipeline deliver balanced performance per watt suitable for fanless and low‑power edge designs.
- Package & Environmental Supplier device package: 621-FCPBGA (21x21), surface mount. Operating temperature range 0 °C to 105 °C. RoHS compliant and qualified for consumer applications.
Typical Applications
- Integrated Services & Edge Networking Hardware and software platforms for branch office routers and enterprise edge appliances leveraging multi‑core processing and rich I/O.
- vCPE and Edge Virtualization Virtualized customer premises equipment and edge compute nodes that need general‑purpose processing with hardware memory access controls.
- Multi‑protocol IoT Gateways Gateways that combine protocol translation, device aggregation and secure connectivity using on‑chip networking and security features.
- Industrial PLC and Control Compact industrial controllers and automation equipment benefiting from robust I/O, SATA storage and a wide operating temperature range.
- Security Appliances Network security and VPN appliances that use Secure Boot, TrustZone® and integrated security engines for in‑line IPsec and packet processing offload.
Unique Advantages
- Highly integrated I/O: Multiple Ethernet configurations, USB 3.0 ports, SATA 6 Gbps and PCIe interfaces reduce external components and simplify board layout.
- Quad‑core 64‑bit processing: Four ARM® Cortex®-A53 cores provide multi‑threaded performance for routing, protocol handling and application processing at the edge.
- Flexible memory support: DDR3L and DDR4 controller support enables designers to choose memory options to meet capacity and cost targets.
- Built‑in security and system control: Secure Boot, TrustZone® and I/O MMU support help protect boot integrity and control peripheral access for secure deployments.
- Small‑form‑factor and BOM optimization: Package and architecture choices target compact, low‑cost PCB designs suitable for fanless and low‑power systems.
- Industrial operating range and compliance: 0 °C to 105 °C operating range and RoHS compliance for demanding embedded environments.
Why Choose LS1043ASE7PQB?
The LS1043ASE7PQB positions a quad‑core, 64‑bit ARM® Cortex®-A53 processor into a compact 621-FCPBGA package with a strong set of networking, storage and security features. It addresses designs that require multi‑core processing, flexible I/O and integrated security while enabling small‑form‑factor and cost‑sensitive implementations.
This device is suited to engineers building branch routers, edge appliances, industrial controllers and secure gateways: it delivers the combination of performance, integration and platform features needed for robust embedded networking and industrial infrastructure projects.
Request a quote or submit an inquiry to check pricing and availability for LS1043ASE7PQB and to discuss how it fits your next embedded networking or industrial design.

Date Founded: 2006
Headquarters: Eindhoven, North Brabant, Netherlands
Employees: 38,000+
Revenue: $10.53 Billion
Certifications and Memberships: ISO9001:2015, IATF16949:2016