LS1043ASN7KQB

The LS1043ASN7KQB is a QorIQ Layerscape microprocessor featuring a quad-core, 64‑bit ARM® Cortex®‑A53 CPU complex running at 1.0 GHz in a 621‑FCPBGA (21×21) package. It is designed for embedded networking and industrial infrastructure use, delivering a balanced combination of multi‑core processing, flexible I/O and integrated packet‑processing features.

Targeted for small‑form‑factor communication and edge designs, the LS1043A family provides hardware acceleration and networking interfaces suited for routers, gateways, security appliances and other edge equipment where integration and predictable thermal behavior matter.

Key Features

• CPU Core Quad ARM® Cortex®‑A53 cores, 64‑bit architecture, 1 GHz nominal clock speed for multi‑threaded embedded workloads.
• Memory Controllers Supports DDR3L and DDR4 memory interfaces for scalable system memory performance.
• Ethernet and Networking Flexible Ethernet options: up to seven 1GbE ports or a configuration with one 10GbE plus five 1GbE ports; integrated Frame Manager for hardware packet parsing, classification and policing.
• Storage and Host I/O Single SATA 6 Gbps (SATA 3.0) port and up to three USB 3.0 ports with PHY for high‑speed peripheral and storage connectivity.
• PCIe and SerDes Up to three DMA‑controlled PCIe® Gen2 interfaces and a four‑lane, 10 GHz multi‑protocol SerDes for high‑speed link integration.
• Security Secure Boot and ARM TrustZone® support, plus an integrated security engine (SEC 5.4) for in‑line IPsec and cryptographic offload.
• Packet Acceleration QorIQ Data Path Acceleration Architecture (DPAA) and Frame Manager offloads packet processing to reduce CPU overhead for data‑plane tasks.
• Package and Mounting Supplier device package: 621‑FCPBGA (21×21); surface‑mount BGA for compact board designs.
• Operating Range Rated operating temperature: 0 °C to 105 °C.
• Compliance RoHS compliant.

Typical Applications

• Branch and Edge Routers Multi‑port Ethernet and packet offload capabilities make the device suitable for compact routing platforms and branch office equipment.
• vCPE and Edge Compute Quad‑core 64‑bit processing with DPAA enables virtualization and network function deployment at the enterprise edge.
• Multi‑Protocol IoT Gateways Flexible I/O and protocol acceleration support gateway designs that bridge field networks to higher‑level services.
• Industrial Control and PLCs Deterministic networking and integrated security features are applicable to industrial automation and control appliances.
• Security Appliances Integrated SEC engine and Frame Manager assist with high‑throughput IPsec and packet inspection tasks.

Unique Advantages

• Highly integrated networking Multiple Ethernet ports, PCIe, SATA and USB 3.0 interfaces reduce external glue logic and simplify board design.
• Packet processing offload DPAA and Frame Manager handle parsing and policing in hardware, lowering CPU load for data‑plane operations.
• Built‑in security primitives Secure Boot, TrustZone® and SEC 5.4 enable hardware‑assisted secure connectivity and in‑line cryptography.
• Compact, surface‑mount BGA 621‑FCPBGA (21×21) package supports small‑footprint, low‑layer PCB implementations.
• Designed for fanless, small‑form systems Architecture and thermal characteristics targeted for fanless designs and BOM‑optimized platforms.

Why Choose LS1043ASN7KQB?

The LS1043ASN7KQB positions a quad‑core 64‑bit ARM Cortex‑A53 processor with a focused set of networking and security features into a compact BGA package. Its combination of multi‑core processing, DPAA packet offloads, integrated security engine and flexible I/O makes it well suited for designers building edge routers, gateways, vCPE and industrial communication equipment who need an integrated, RoHS‑compliant solution.

Choosing this device supports scalable designs that balance processing and data‑plane acceleration while simplifying BOM and board layout through a concentrated set of interfaces and hardware acceleration blocks backed by the QorIQ Layerscape architecture.

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