NXP Semiconductors LS1023AXN7QQB

Overview

LS1023AXN7QQB from NXP Semiconductors is a dual-core, 64-bit ARM Cortex-A53 communications processor designed for fanless industrial and edge networking applications. It delivers >5 Gb/s packet processing throughput with integrated Frame Manager, DPAA acceleration, and SEC 5.4 security engine. Key specs include 1 MB L2 cache, DDR3L/DDR4 memory controller, and support for up to six Gigabit Ethernet ports with IEEE 1588.

For engineers reviewing the LS1023AXN7QQB datasheet, LS1023AXN7QQB pinout, LS1023AXN7QQB application, or LS1023AXN7QQB equivalent, key selection criteria include dual-core 64-bit ARM performance per watt, hardware-accelerated packet forwarding, integrated security offload, and I/O flexibility for compact BOM-optimized designs in vCPE, IoT gateways, and industrial PLCs.

Technical Context

The LS1023AXN7QQB implements two 64-bit ARM Cortex-A53 cores clocked up to 1.2 GHz, backed by a unified 1 MB L2 cache and CoreLink CCI-400 coherent interconnect with SMMU for virtualization-aware peripheral access. Its Data Path Acceleration Architecture (DPAA) includes Frame Manager, Queue Manager, and Buffer Manager for hardware-assisted packet parsing, classification, and distribution.

Networking is enabled via a 4-lane 10 GHz multi-protocol SerDes supporting up to six Gigabit Ethernet interfaces (with IEEE 1588), three PCIe Gen2 lanes, one SATA 3.0 port, and triple USB 3.0 controllers with integrated PHY. Security acceleration is handled by SEC 5.4 supporting IPsec, SSL/TLS, DTLS, IKE, and XOR RAID acceleration.

Key Specifications

Pinout & Package

LS1023AXN7QQB is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). The package supports 1.0 V core, 1.35 V DDR, and 3.3 V I/O supply rails with thermal pad for passive cooling in fanless systems.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043AXE7QQB and Armada 3720, LS1023AXN7QQB uniquely balances dual-core efficiency, QUICC Engine legacy support, and DPAA-accelerated networking in a 5 W thermal envelope-making it optimal for space-constrained, fanless industrial and edge routing applications where BOM cost and protocol breadth matter.

Availability

LS1023AXN7QQB is available at Aetrix Electronics and suitable for branch office routers, industrial IoT gateways, and vCPE platforms requiring stable component supply, long-term lifecycle support, and validated thermal performance in fanless enclosures.

Supply support for LS1023AXN7QQB 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 embedded security.

The LS1023A product line was engineered specifically for compact, low-power edge infrastructure-delivering dual-core 64-bit performance with integrated networking acceleration, legacy protocol support, and hardware-enforced security for industrial control and networking gateways.

FAQ

What is the maximum operating frequency of the LS1023AXN7QQB?

The LS1023AXN7QQB operates at a maximum frequency of 1.2 GHz per ARM Cortex-A53 core. This clock speed is thermally and voltage-regulated to maintain stability under continuous load in fanless configurations. The LS1023AXN7QQB achieves this frequency with a 1.0 V core supply and supports dynamic voltage and frequency scaling (DVFS) to optimize power versus performance in real-time applications.

Does the LS1023AXN7QQB support DDR4 memory?

Yes, the LS1023AXN7QQB supports both DDR3L and DDR4 memory via its 32-bit memory controller. DDR4 operation is validated up to 2400 MT/s with JEDEC-compliant timing parameters. This dual-memory support allows designers to select cost-optimized DDR3L for lower-power deployments or higher-bandwidth DDR4 for memory-intensive packet buffering in the LS1023AXN7QQB-based systems.

Is the LS1023AXN7QQB pin-compatible with the LS1043A series?

No, the LS1023AXN7QQB is not pin-compatible with LS1043A variants. Although both share the same 621-pin FC-BGA footprint and mechanical outline, critical signal assignments-including SerDes lane mapping, PCIe root complex vs. endpoint configuration, and QUICC Engine pin multiplexing-differ between the dual-core LS1023A and quad-core LS1043A families. Board-level reuse requires schematic and layout revision.

What security features are integrated into the LS1023AXN7QQB?

The LS1023AXN7QQB integrates SEC 5.4 for cryptographic acceleration (IPsec, SSL/TLS, DTLS, IKE), TrustZone-enabled secure boot with immutable ROM-based bootloader, and SMMU-based memory protection for virtualized environments. These features are implemented in dedicated hardware blocks and do not rely on software-only enforcement-ensuring LS1023AXN7QQB meets IEC 62443-3-3 SL2 requirements for industrial edge devices.

Can the LS1023AXN7QQB support IEEE 1588 Precision Time Protocol?

Yes, the LS1023AXN7QQB supports IEEE 1588-2008 PTP in hardware across all six Gigabit Ethernet interfaces. Each MAC includes timestamp registers, event detection logic, and hardware correction for ingress/egress delay asymmetry. This enables sub-100 ns timestamp accuracy in LS1023AXN7QQB-based industrial PLCs and time-sensitive networking (TSN) edge nodes without external timing ICs.