NXP Semiconductors LS1024ASN7ELA

Overview

LS1024ASN7ELA from NXP is a dual-core ARM Cortex-A9 communications processor operating up to 1.2 GHz, featuring ECC-protected L1/L2 cache, integrated SATA 2.0, USB 3.0 + PHY, dual GbE MACs, PCIe 2.0, and hardware-accelerated packet processing for network edge applications including SMB security appliances and VoIP gateways.

For engineers reviewing the LS1024ASN7ELA datasheet, LS1024ASN7ELA pinout, LS1024ASN7ELA application, or LS1024ASN7ELA equivalent, key selection criteria include DDR3 memory controller timing compliance, SerDes lane configuration (3-lane 5 GHz), TrustZone-enabled secure boot flow, and DECT/DECT-ULE baseband integration for voice gateway designs.

Technical Context

The LS1024ASN7ELA implements dual ARM Cortex-A9 cores with coherent L2 cache (256 KB), AMBA AXI/AHB crossbar interconnect, and dedicated accelerators including DPIE (Deep Packet Inspection Engine), packet forwarding engine (PPFE), and RAID-capable SATA 2.0 controller. It supports SMP Linux with virtualization extensions and TrustZone-based secure world isolation.

Its I/O subsystem integrates two GbE MACs with RGMII/SGMII options, PCIe 2.0 x1, USB 2.0 + 3.0 PHYs, SPI/I²C/I²S/UART peripherals, and a 32-bit DDR3L memory controller rated for 1600 MT/s - all synchronized via a low-latency multilayer bus architecture enabling non-blocking concurrent transactions.

Key Specifications

Pinout & Package

LS1024ASN7ELA is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free) with 1.0 mm ball pitch and thermal lid. Pin assignment follows NXP's LS1024A Reference Manual Rev.4, supporting configurable SerDes lanes, DDR3 address/control routing, and multiplexed I/O for flexible board layout.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1024ASN7ELA, LS1023ASN7QQB reduces cost and power at the expense of voice and storage acceleration, while LS1043ASN7QQB trades DECT/SATA integration for higher core count and 10G networking - making LS1024ASN7ELA optimal for voice-aware, storage-enabled edge gateways where balanced performance and feature density matter most.

Availability

LS1024ASN7ELA is available at Aetrix Electronics and suitable for SMB security appliances, VoIP home gateways, consumer NAS devices, and enterprise Wi-Fi access points requiring stable component supply across long-life industrial programs.

Supply support for LS1024ASN7ELA 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 applications, with headquarters in Eindhoven, Netherlands.

The QorIQ LS1024A product line was designed specifically for cost-optimized, low-power communications processors targeting voice-aware edge gateways, secure SMB infrastructure, and embedded storage systems - emphasizing integration of networking, security, and baseband functions in a single die.

FAQ

What is the maximum DDR3L memory speed supported by LS1024ASN7ELA?

The LS1024ASN7ELA supports DDR3L memory speeds up to 1600 MT/s using its 32-bit controller. This allows for bandwidth-critical applications like video streaming and packet buffering. The controller includes on-die termination calibration and ECC support. LS1024ASN7ELA requires careful PCB layout with matched trace lengths and proper termination to achieve stable operation at this rate.

Does LS1024ASN7ELA include hardware support for DECT cordless telephony?

Yes, LS1024ASN7ELA integrates a full DECT and DECT-ULE baseband processor, enabling direct connection to DECT RF transceivers without external baseband ICs. This allows LS1024ASN7ELA to handle up to 16 carrier-grade VoIP channels with echo cancellation and codec acceleration. The DECT subsystem is fully managed by LS1024ASN7ELA's internal firmware and accessible via standard Linux drivers.

Can LS1024ASN7ELA operate without external flash memory?

No, LS1024ASN7ELA requires external flash memory for boot code storage because it lacks on-chip non-volatile program memory. The device boots from SPI NOR flash connected to its dedicated SPI0 interface, with optional fallback to NAND or SD card. LS1024ASN7ELA's ROM bootloader validates signature and loads initial firmware before handing control to the secure boot chain.

What SerDes lane configurations are supported by LS1024ASN7ELA?

LS1024ASN7ELA features a 3-lane 5 GHz SerDes block that can be flexibly allocated among PCIe 2.0, SATA 2.0, or SGMII interfaces. Common configurations include PCIe x1 + SATA x1, dual SATA, or single PCIe x1 with SGMII. LS1024ASN7ELA does not support PCIe x2 or x4 modes due to lane count limitation. Configuration is set via RCW bits during reset.

Is LS1024ASN7ELA pin-compatible with other LS102x series processors?

No, LS1024ASN7ELA is not pin-compatible with LS1021A, LS1022A, or LS1023A processors due to differences in SerDes lane mapping, DDR3 interface width, and peripheral signal assignments. While all LS102x devices use 621-ball FC-BGA packages, LS1024ASN7ELA has unique pinouts for SATA, DECT, and DPIE interfaces. Board redesign is required when migrating to or from LS1024ASN7ELA.