NXP Semiconductors LS1020ASN7HNB

Overview

LS1020ASN7HNB from NXP is a dual-core ARM Cortex-A7 communications processor for power-sensitive networking and industrial applications, operating at up to 1.2 GHz with ECC-protected 32 KB L1 I/D caches per core and 512 KB coherent L2 cache, delivering over 7,000 CoreMarks® and supporting Secure Boot, TrustZone, and QUICC Engine for HDLC/TDM protocols in enterprise AP routers and IoT gateways.

For engineers reviewing the LS1020ASN7HNB datasheet, LS1020ASN7HNB pinout, LS1020ASN7HNB application, or LS1020ASN7HNB equivalent, key selection criteria include DDR3L/DDR4 memory controller support (up to 1600 MHz), integrated 4-lane 6 GHz SerDes with three Gigabit Ethernet ports (IEEE 1588), dual PCIe 2.0, SATA 3.0, USB 3.0 with PHY, and hardware-accelerated security engine (SEC 5.5).

Technical Context

The LS1020ASN7HNB implements a Cache Coherent Interconnect (CCI-400) to maintain coherency between its dual ARM Cortex-A7 cores and shared 512 KB L2 cache, with single-bit error detection and correction applied to both L1 and L2 caches. It integrates a dedicated QUICC Engine subsystem supporting HDLC, TDM, and PB protocols, alongside a hardware-accelerated security engine (SEC 5.5) enabling AES, SHA, and RSA operations.

Its system interface architecture includes a 4-lane 6 GHz multi-protocol SerDes supporting concurrent PCIe 2.0 (dual x1), SATA 3.0, and three 1 GbE interfaces with IEEE 1588 timestamping, plus USB 3.0 (with integrated PHY), QuadSPI, SD/MMC, IFC NAND/NOR controller, and audio subsystem with ASRC and SPDIF.

Key Specifications

Pinout & Package

LS1020ASN7HNB is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pin assignment follows the LS1020A reference design with defined ball map for DDR, SerDes, PCIe, USB, Ethernet, and QUICC Engine signal groups.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1022ASN7HNB and i.MX 6SoloX, the LS1020ASN7HNB uniquely combines QUICC Engine for industrial protocol offload, full SerDes flexibility (PCIe/SATA/GbE), and SEC 5.5 acceleration - making it the only option among the three qualified for secure, high-bandwidth, multi-protocol edge networking appliances.

Availability

LS1020ASN7HNB is available at Aetrix Electronics and suitable for enterprise AP routers, IoT gateways, security appliances, and building automation controllers requiring stable component supply across extended product lifecycles.

Supply support for LS1020ASN7HNB 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The QorIQ LS1020A processor line was designed specifically to deliver high integration, sub-3 W power efficiency, and hardware-accelerated networking/security features for next-generation edge infrastructure equipment.

FAQ

What is the maximum DDR4 speed supported by LS1020ASN7HNB?

The LS1020ASN7HNB supports DDR4 memory at up to 1600 MT/s using an 8-, 16-, or 32-bit bus configuration. This speed is validated with JEDEC-compliant DDR4-1600 modules and requires proper PCB layout adherence to NXP's LS1020A Hardware Design Guide for signal integrity and timing closure.

Does LS1020ASN7HNB include a built-in USB 3.0 PHY?

Yes, LS1020ASN7HNB integrates a full USB 3.0 SuperSpeed PHY, eliminating the need for an external transceiver. The device supports USB 3.0 host/device operation and maintains backward compatibility with USB 2.0 signaling on the same physical interface.

Can LS1020ASN7HNB run Linux and real-time OS simultaneously?

Yes, LS1020ASN7HNB supports hardware virtualization via ARM Cortex-A7 TrustZone and hypervisor extensions, enabling concurrent execution of Linux on one core and a real-time OS (e.g., FreeRTOS or VxWorks) on the other, with memory and peripheral isolation enforced by the CCI-400 interconnect.

Is QUICC Engine present in LS1020ASN7HNB and what protocols does it support?

Yes, LS1020ASN7HNB includes a full QUICC Engine subsystem supporting HDLC, TDM, and packet-based (PB) protocols. It handles frame assembly/disassembly, CRC generation/checking, and time-slot management independently of the ARM cores, reducing CPU load in industrial communication gateways.

What security features are implemented in LS1020ASN7HNB beyond Secure Boot?

LS1020ASN7HNB integrates the QorIQ SEC 5.5 hardware security engine, providing accelerated AES-128/256, SHA-1/256, RSA-2048/4096, and random number generation. It also supports TrustZone-based secure world isolation, tamper-resistant fuses, and secure debug disable - all enforced at silicon level during LS1020ASN7HNB boot and runtime.