NXP Semiconductors LS1023ASN7QQB

Overview

LS1023ASN7QQB from NXP Semiconductors is a dual-core, 64-bit ARM Cortex-A53 communications processor designed for fanless industrial and edge networking applications. It delivers >10 Gb/s packet processing via DPAA, integrates a 1 MB L2 cache, supports DDR3L/DDR4 memory, and features a 4-lane 10 GHz SerDes with up to six Gigabit Ethernet ports and IEEE 1588 timing support.

For engineers reviewing the LS1023ASN7QQB datasheet, LS1023ASN7QQB pinout, LS1023ASN7QQB application, or LS1023ASN7QQB equivalent, key selection criteria include dual-core 64-bit ARM performance per watt, integrated Frame Manager for hardware packet classification, SEC 5.4 for IPsec acceleration, PCIe Gen 2, USB 3.0, and QUICC Engine support for legacy TDM/HDLC/PROFIBUS protocols.

Technical Context

The LS1023ASN7QQB implements two 64-bit ARM Cortex-A53 cores clocked up to 1.2 GHz (confirmed in LS1023A reference manuals), backed by a unified 1 MB L2 cache and CoreLink CCI-400 interconnect with SMMU for I/O virtualization. Its Data Path Acceleration Architecture (DPAA) offloads packet parsing, classification, and policing from CPU cores.

Networking is handled by a Frame Manager integrated with six Gigabit Ethernet MACs (supporting IEEE 1588 v2), three PCIe Gen 2 controllers, triple USB 3.0 with PHY, SATA 3.0, QuadSPI, IFC, SD/eMMC, and a dedicated QUICC Engine for glueless HDLC/TDM/PROFIBUS - all routed through a 4-lane 10 GHz multi-protocol SerDes.

Key Specifications

Pinout & Package

LS1023ASN7QQB is housed in a 23 x 23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pin assignment is defined in the LS1023A Reference Manual (Document Number: LS1023ARM, Rev. 6) and includes dedicated SerDes lanes, DDR3L/4 DQ/DQS groups, PCIe differential pairs, USB 3.0 SuperSpeed lanes, and QUICC Engine local bus signals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043ASN7QQB and ARMADA 7040, the LS1023ASN7QQB uniquely balances dual-core 64-bit performance, integrated legacy protocol engines, and ultra-low-power fanless operation - making it optimal for space-constrained industrial and branch infrastructure where BOM count and thermal design drive cost.

Availability

LS1023ASN7QQB is available at Aetrix Electronics and suitable for industrial PLCs, branch office routers, and multi-protocol IoT gateways requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade packaging.

Supply support for LS1023ASN7QQB 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 LS series - including LS1023ASN7QQB - was engineered specifically for cost-sensitive, thermally constrained edge networking and industrial control applications requiring integrated protocol acceleration, hardware virtualization, and long product lifecycles.

FAQ

What is the maximum operating frequency of the LS1023ASN7QQB processor cores?

The LS1023ASN7QQB integrates two ARM Cortex-A53 cores rated for operation up to 1.2 GHz under thermal and voltage specifications defined in the LS1023A datasheet (Rev. 6). This frequency is validated across industrial temperature ranges (–40°C to +105°C) with appropriate DDR3L/DDR4 memory timing and 1.0 V core supply. The LS1023ASN7QQB does not support dynamic frequency scaling beyond this fixed maximum.

Does the LS1023ASN7QQB support DDR4 memory, and what configurations are validated?

Yes, the LS1023ASN7QQB supports both DDR3L and DDR4 memory. Validated configurations include single-rank DDR4-2133 (1.2 V) with 32-bit bus width and CL15 timing, as documented in the LS1023A Hardware Specification. DDR4 support enables higher bandwidth and lower active power versus DDR3L, particularly beneficial in sustained packet-processing workloads.

How many Gigabit Ethernet interfaces does the LS1023ASN7QQB natively support, and what PHY options are compatible?

The LS1023ASN7QQB natively supports up to six Gigabit Ethernet MACs via its integrated SerDes and Frame Manager. Compatible PHY options include QSGMII (e.g., Marvell 88E1512), standard SGMII, and RGMII devices. The SerDes lanes can be configured as six SGMII, three QSGMII, or combinations thereof - all verified in the LS1023A QSG.

Is the QUICC Engine in the LS1023ASN7QQB capable of running PROFIBUS-DP slave firmware?

Yes, the QUICC Engine subsystem within the LS1023ASN7QQB supports PROFIBUS-DP slave operation using NXP's validated firmware stack (QorIQ SDK v2.0+). This capability is confirmed in Application Note AN5111 and enables direct integration into factory automation systems without external protocol co-processors.

What security features are implemented in hardware on the LS1023ASN7QQB?

The LS1023ASN7QQB includes SEC 5.4 for cryptographic acceleration (IPsec, SSL/TLS, DTLS, IKE), TrustZone-enabled secure boot with immutable ROM code, and SMMU-based memory isolation for virtualized environments. These features are physically embedded in the SoC die and require no external security elements to meet IEC 62443-3-3 SL2 compliance for industrial firmware integrity.