NXP Semiconductors LS1012ASN7EKB

Overview

LS1012ASN7EKB from NXP is a 64-bit Arm Cortex-A53 communications processor in a 9.6 × 9.6 mm FC-BGA-289 package, operating up to 1 GHz with 32 KB L1-I/D cache, 256 KB coherent L2 cache, and ECC protection. It integrates hardware-accelerated packet forwarding (2 Gbit/s IP forwarding), security engine with TrustZone support, and DDR3L memory controller for fanless IoT gateways and battery-powered NAS.

For engineers reviewing the LS1012ASN7EKB datasheet, LS1012ASN7EKB pinout, LS1012ASN7EKB application, or LS1012ASN7EKB equivalent, key selection criteria include its 1 W typical power envelope, PFE offload capability, Arm TrustZone-enabled secure boot, and SerDes-configurable dual Gigabit Ethernet + PCIe 2.0 + SATA 3.0 interface set.

Technical Context

The LS1012ASN7EKB implements a single-core Arm Cortex-A53 with NEON SIMD and dual-precision FPU, backed by ECC-protected L1/L2 caches and CoreLink CCI-400 interconnect. Its packet forwarding engine (PFE) operates independently of the CPU, enabling line-rate 2 Gbit/s IPv4/IPv6 forwarding at near-zero CPU utilization.

Security is implemented via QorIQ Trust Architecture with secure boot, TrustZone partitioning, and dedicated cryptographic acceleration. The 3-lane 6 GHz SerDes supports flexible lane allocation across PCIe Gen2, SATA 3.0, and two GbE interfaces-each with integrated MACs and RGMII/SGMII PHY options.

Key Specifications

Pinout & Package

LS1012ASN7EKB is housed in a 9.6 × 9.6 mm, 289-ball Fine-Pitch Ball Grid Array (FC-BGA) package with 0.8 mm ball pitch, designed for 4-layer PCB routing to minimize system cost and thermal complexity.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1012ASE7KQB, LS1012ASN7EKB trades extended temperature rating and marginal DDR speed for lower cost and standard commercial-grade qualification; versus i.MX 8M Mini, it delivers superior deterministic packet forwarding and hardware-accelerated security-but no multimedia engines.

Availability

LS1012ASN7EKB is available at Aetrix Electronics and suitable for trust-enabled IoT gateways, mobile NAS devices, and entry-level broadband Ethernet gateways requiring stable component supply, long-term lifecycle assurance, and validated Linux BSP support.

Supply support for LS1012ASN7EKB 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with headquarters in Eindhoven, Netherlands.

The LS1012A series is part of NXP's Layerscape communications processor family, engineered to deliver enterprise-class security and packet acceleration in ultra-low-power, small-form-factor networking SoCs for edge infrastructure.

FAQ

What is the maximum DDR3L memory speed supported by LS1012ASN7EKB?

The LS1012ASN7EKB supports DDR3L memory at up to 1 GHz data rate (800 MT/s effective), enabled by its 16-bit DDR3L memory controller with on-die termination and programmable timing parameters. This configuration delivers up to 8.0 GB/s peak bandwidth and is validated with JEDEC-compliant DDR3L-1600 modules. LS1012ASN7EKB requires external DDR3L chips; no on-die DRAM is integrated.

Does LS1012ASN7EKB include an integrated PHY for its Gigabit Ethernet ports?

No, LS1012ASN7EKB provides RGMII/SGMII MAC interfaces only-external PHYs are required for physical layer connectivity. The processor's SerDes lanes can be configured to drive SGMII directly to compatible PHYs, but no analog PHY circuitry is embedded. LS1012ASN7EKB's GbE implementation relies on discrete PHYs such as the AR8033 or KSZ9031 for full MII/RMII/RGMII/SGMII compliance.

Can LS1012ASN7EKB run real-time operating systems like FreeRTOS or Zephyr?

Yes, LS1012ASN7EKB supports Zephyr RTOS via official NXP BSPs and community ports, leveraging its Cortex-A53 core, MMU, and TrustZone for memory protection. FreeRTOS is not officially supported due to lack of MMU abstraction in standard FreeRTOS kernels, though custom MMU-enabling patches exist. LS1012ASN7EKB's primary RTOS validation is with Zephyr and Linux; bare-metal use cases require manual cache coherency management.

What debug interfaces are available on LS1012ASN7EKB?

LS1012ASN7EKB provides JTAG (IEEE 1149.1) for boundary scan and core debug, plus SWD (Serial Wire Debug) support via dedicated pins. It also supports ARM CoreSight debug infrastructure including ETM and ITM trace, accessible through the JTAG/SWD connector on evaluation boards like the FRWY-LS1012A. No on-chip debugger is integrated-external probes (e.g., Segger J-Link) are required for full debug visibility.

Is LS1012ASN7EKB pin-compatible with other LS1012A variants like LS1012ASE7KQB?

Yes, LS1012ASN7EKB is fully pin-compatible with all LS1012A family members including LS1012ASE7KQB and LS1012ASN7KQB. They share identical 289-ball FC-BGA footprint, ball assignment, and power/ground pin mapping. Differences are limited to temperature grade, speed binning, and minor electrical specs-no PCB redesign is needed when migrating between commercial and extended temperature variants of the LS1012A.