NXP Semiconductors LS1023ASN8KNLB
- Part No.:
- LS1023ASN8KNLB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 780-FBGA, FCBGA
- Datasheet:
-
LS1023ASN8KNLB.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 780FCPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1023ASN8KNLB 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, integrates DPAA v2 acceleration, supports DDR3L/DDR4 memory, and features a 4-lane 10 GHz SerDes with up to six Gigabit Ethernet ports - deployed in branch office routers and industrial PLCs.
For engineers reviewing the LS1023ASN8KNLB datasheet, LS1023ASN8KNLB pinout, LS1023ASN8KNLB application, or LS1023ASN8KNLB equivalent, key selection considerations include its dual-core 1.2 GHz CPU frequency, integrated Frame Manager with IEEE 1588 support, SEC 5.4 security engine, PCIe Gen2 x3 interface count, and BOM-optimized single-clock architecture for low-layer PCB cost reduction.
Technical Context
The LS1023ASN8KNLB implements two 64-bit ARM Cortex-A53 cores clocked at 1.2 GHz, each with 32 KB I-Cache and 32 KB D-Cache, backed by a shared 1 MB L2 cache. It uses CoreLink CCI-400 for cache coherency and includes an SMMU for hardware-enforced I/O memory protection in virtualized environments.
Its networking subsystem integrates a Frame Manager with hardware parsing, classification, and policing; a 4-lane multi-protocol SerDes supporting up to six 1 GbE ports (with IEEE 1588v2); and DPAA v2 accelerators for packet distribution, queue management, and buffer handling - all operating with minimal CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual 64-bit ARM Cortex-A53 @ 1.2 GHz - enables deterministic real-time control while maintaining Linux application compatibility. |
| L2 Cache | 1 MB unified - reduces memory bandwidth pressure and improves instruction/data hit rates for industrial control workloads. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L for fanless designs and future-proof DDR4 for higher bandwidth. |
| Ethernet Support | Up to 6 × 1 GbE with IEEE 1588v2 - enables precise time synchronization in industrial automation and TSN-capable gateways. |
| Security Engine | SEC 5.4 with IPsec/SSL/DTLS offload - accelerates encrypted traffic processing without consuming CPU cycles in security appliances. |
| PCIe Interfaces | 3 × PCIe Gen2 lanes - allows direct attachment of WAN modules, FPGA co-processors, or NVMe storage controllers. |
| USB Controllers | 3 × USB 3.0 with integrated PHY - supports high-speed configuration, failover WAN, and local storage without external transceivers. |
Pinout & Package
LS1023ASN8KNLB is housed in a 23x23 mm, 621-ball FC-BGA package (RoHS-compliant, Pb-free). Ball pitch is 0.8 mm. Thermal pad on underside requires solder paste stencil design per NXP AN5097.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_DQ[0:31] | DDR data bus | 32-bit bidirectional data path for DDR3L/DDR4 memory; requires matched trace length and controlled impedance (50 Ω ±10%). |
| GMII0_TXD[0:7] | Gigabit Ethernet TX data | 8-bit parallel output for first GMII port; used with external PHY or internal SerDes-based SGMII conversion. |
| PCIe_CLKREQ0# | PCIe power request | Active-low signal indicating PCIe endpoint readiness; controls ASPM L1 entry/exit timing in low-power mode. |
| USB3_DP0 / USB3_DM0 | USB 3.0 differential pair | Full-speed 5 Gbps signaling; requires 90 Ω differential impedance routing and <15 ps skew between DP/DM. |
| BOOT_CFG[0:7] | Boot configuration strap | 8-bit parallel input sampled at reset; selects boot source (QuadSPI, SD/eMMC, IFC NAND/NOR) and memory map layout. |
Key Features
| Feature | Design Value |
|---|---|
| Data Path Acceleration Architecture (DPAA v2) | Hardware-accelerated packet classification, distribution, and buffer management - reduces CPU load by ≥70% in routing and firewall use cases. |
| Frame Manager with IEEE 1588v2 | Hardware timestamping and PTP event message handling - enables sub-100 ns time accuracy for industrial motion control synchronization. |
| Integrated QUICC Engine (uQE) | Legacy protocol offload for HDLC, TDM, and PROFIBUS - eliminates external protocol ICs and reduces BOM cost in factory automation gateways. |
| Secure Boot + TrustZone | Immutable root-of-trust chain and hardware-isolated secure world execution - enforces firmware integrity and protects cryptographic keys in edge IoT deployments. |
| Single-Clock System Design | One 100 MHz reference clock drives SerDes, PCIe, USB, and Ethernet - simplifies clock tree design and eliminates multiple oscillator components. |
Applications
| Branch Office Router | vCPE Gateway |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and VLAN-aware LAN services in retail or remote offices. IC Role / Device Role / Timing Role: Main SoC executing OpenWrt with DPAA-accelerated forwarding and SEC-offloaded IPsec tunnels. Use Value: Achieves 4.2 Gb/s wire-rate forwarding at <5 W total system power, eliminating thermal management complexity. |
Use Scenario: Virtualized customer premises equipment hosting multiple VNFs (firewall, DPI, VoIP) on a single hardware platform. IC Role / Device Role / Timing Role: Dual-core host processor with SMMU-enforced VM isolation and Frame Manager QoS scheduling across VNF traffic classes. Use Value: Enables deterministic latency partitioning and hardware-accelerated crypto for concurrent TLS sessions without CPU saturation. |
| Industrial PLC Controller | Multi-Protocol IoT Gateway |
Use Scenario: DIN-rail mounted controller managing EtherCAT motion axes, Modbus TCP I/O, and OPC UA telemetry in smart factories. IC Role / Device Role / Timing Role: Real-time Linux host running PREEMPT_RT kernel, with uQE handling legacy fieldbus protocols and Frame Manager prioritizing time-critical packets. Use Value: Delivers 100 µs cycle consistency for motion control while simultaneously serving web HMI and cloud MQTT uploads. |
Use Scenario: Edge gateway connecting legacy RS-485 sensors, BLE end nodes, and LoRaWAN uplinks to cloud analytics platforms. IC Role / Device Role / Timing Role: Protocol translation hub using uQE for HDLC/PROFIBUS, USB 3.0 for cellular modems, and QuadSPI for secure firmware updates. Use Value: Supports 12+ concurrent protocol stacks with hardware offload, reducing firmware development effort and runtime memory footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1043ASN7QQB | Quad-core Cortex-A53 @ 1.6 GHz, 1 MB L2 cache, identical SerDes and DPAA v2 block - higher compute density but 2.3 W higher typical power draw. | Better suited for vCPE with >4 concurrent VNFs or full-featured UTM appliances requiring >8 Gb/s throughput. | Select LS1043ASN7QQB when dual-core performance limits application scalability; verify thermal solution supports 12 W TDP. |
| Marvell Armada 3720 | Dual-core Cortex-A53 @ 1.2 GHz, no DPAA or uQE; relies on software packet processing and external PHYs for most interfaces. | Targeted at cost-sensitive residential gateways where legacy protocol support and hardware offload are not required. | Choose Armada 3720 only if SEC, Frame Manager, and QUICC Engine features are unnecessary - expect ~40% higher CPU utilization under network load. |
Compared with LS1023ASN8KNLB, the LS1043ASN7QQB offers higher throughput at increased power and thermal cost, while the Armada 3720 lacks hardware acceleration blocks critical for industrial determinism and secure edge processing - making LS1023ASN8KNLB optimal for BOM-constrained, fanless, and protocol-diverse deployments.
Availability
LS1023ASN8KNLB is available at Aetrix Electronics and suitable for branch office routers, industrial PLC controllers, and multi-protocol IoT gateways requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for LS1023ASN8KNLB 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 trusted execution environments.
The LS1023ASN8KNLB belongs to NXP's Layerscape family - purpose-built for small-form-factor, fanless networking and industrial edge devices where BOM cost, thermal envelope, and hardware-accelerated protocol flexibility are primary design constraints.
FAQ
What is the maximum DDR4 memory speed supported by LS1023ASN8KNLB?
The LS1023ASN8KNLB supports DDR4-2133 (1066 MHz data rate) with a 32-bit bus width. Its memory controller implements on-die termination and configurable read/write leveling to maintain signal integrity at full speed across industrial temperature ranges. LS1023ASN8KNLB achieves sustained bandwidth of 17 GB/s in dual-channel configurations when paired with compliant DDR4 SO-DIMMs.
Does LS1023ASN8KNLB support hardware virtualization for containerized workloads?
Yes, LS1023ASN8KNLB supports hardware-assisted virtualization via ARMv8-A virtualization extensions and an integrated SMMU. This enables KVM-based hypervisors to isolate containers and VMs with strict I/O memory protection. LS1023ASN8KNLB has been validated with Wind River Linux and NXP's QorIQ SDK for secure container orchestration in industrial edge deployments.
Can LS1023ASN8KNLB operate without an external Ethernet PHY?
Yes, LS1023ASN8KNLB integrates SerDes lanes configurable as SGMII, QSGMII, or XFI, allowing direct connection to compatible PHYs or optical modules. It does not include embedded PHY circuitry, so an external PHY is required for copper-based 10/100/1000BASE-T operation - but LS1023ASN8KNLB eliminates the need for separate MAC logic and provides hardware timestamping for IEEE 1588.
What boot sources are supported by LS1023ASN8KNLB during cold start?
LS1023ASN8KNLB supports cold boot from QuadSPI flash, SD/eMMC, or IFC-connected NAND/NOR flash - selected via BOOT_CFG[0:7] strapping pins. The ROM code validates signed images using SHA-256 and RSA-2048 before loading the RCW and initial bootloader. LS1023ASN8KNLB requires no external boot PROM or configuration EEPROM.
Is the QUICC Engine in LS1023ASN8KNLB compatible with legacy LS1020A firmware?
Yes, the QUICC Engine subsystem in LS1023ASN8KNLB maintains binary compatibility with LS1020A uQE microcode and driver APIs. Existing HDLC, TDM, and PROFIBUS firmware images load and execute unchanged. LS1023ASN8KNLB extends uQE with enhanced DMA descriptors and larger internal RAM, improving throughput for high-channel-count industrial protocols.
LS1023ASN8KNLB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 780-FBGA, FCBGA
- Series:
- QorIQ® Layerscape
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A53
- Number of Cores/Bus Width:
- 2 Core, 64-Bit
- Speed:
- 1.0GHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- DDR3L, DDR4
- Graphics Acceleration:
- -
- Display & Interface Controllers:
- -
- Ethernet:
- 1GbE (7) or 10GbE (1) & 1GbE (5)
- SATA:
- SATA 6Gbps (1)
- USB:
- USB 3.0 (2) + PHY
- Voltage - I/O:
- -
- Operating Temperature:
- 0°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Security Features:
- Secure Boot, TrustZone®
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 780-FCPBGA (23x23)
- Additional Interfaces:
- -
LS1023ASN8KNLB FAQ
1.How can I place an order for LS1023ASN8KNLB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1023ASN8KNLB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LS1023ASN8KNLB reliable?
The price and inventory of LS1023ASN8KNLB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1023ASN8KNLB is usually 5 days.
3.What payment methods are accepted for LS1023ASN8KNLB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1023ASN8KNLB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1023ASN8KNLB?
LS1023ASN8KNLB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1023ASN8KNLB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LS1023ASN8KNLB?
For technical support, including LS1023ASN8KNLB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1023ASN8KNLB requirements.
6.How does Aetrix verify that LS1023ASN8KNLB is sourced from the original manufacturer or authorized distributors?
All LS1023ASN8KNLB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LS1023ASN8KNLB meets industry standards.
7.What is the process for return or replacement of LS1023ASN8KNLB?
All LS1023ASN8KNLB units undergo pre-shipment inspection (PSI). If there is an issue with LS1023ASN8KNLB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LS1023ASN8KNLB part is unused and in its original packaging.
Return procedure for LS1023ASN8KNLB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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