NXP Semiconductors LS1023ASN7KNLB
- Part No.:
- LS1023ASN7KNLB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1023ASN7KNLB.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 621FCPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1023ASN7KNLB 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 throughput via DPAA offload engines, 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 including IEEE 1588 support - deployed in vCPE, IoT gateways, and industrial PLCs.
For engineers reviewing the LS1023ASN7KNLB datasheet, LS1023ASN7KNLB pinout, LS1023ASN7KNLB application, or LS1023ASN7KNLB equivalent, key selection criteria include dual-core 64-bit ARM performance per watt, hardware-accelerated packet forwarding (Frame Manager + DPAA), integrated SEC 5.4 for IPsec/SSL, PCIe Gen2 x3, USB 3.0 x3, and QUICC Engine support for PROFIBUS/HDLC/TDM legacy protocols.
Technical Context
The LS1023ASN7KNLB implements two 64-bit ARM Cortex-A53 cores clocked at up to 1.2 GHz, backed by a unified 1 MB L2 cache and CoreLink CCI-400 coherent interconnect with SMMU for virtualization-aware I/O memory management. Its Data Path Acceleration Architecture (DPAA) includes Frame Manager, Queue Manager, and Buffer Manager for hardware-accelerated packet parsing, classification, and distribution.
Networking interfaces are anchored by a 4-lane 10 GHz multi-protocol SerDes supporting up to six 1 GbE ports (with IEEE 1588v2 timestamping), three PCIe Gen2 endpoints, one SATA 3.0 controller, and triple USB 3.0 PHYs. Legacy protocol support is provided by the integrated QUICC Engine subsystem for glueless HDLC, TDM, and PROFIBUS operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual 64-bit ARM Cortex-A53 @ up to 1.2 GHz - enables real-time Linux-based control with deterministic latency for industrial edge nodes. |
| L2 Cache | 1 MB unified - reduces memory bandwidth pressure and improves instruction/data hit rate for multi-threaded packet processing workloads. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L for fanless thermal design and future-proof DDR4 for higher bandwidth scalability. |
| Networking Acceleration | DPAA with Frame Manager - performs hardware packet parsing, classification, and policing at line rate, offloading CPU cycles from Layer 2–4 forwarding tasks. |
| Security Engine | SEC 5.4 - accelerates IPsec ESP/AH, SSL/TLS, DTLS, and IKEv2 with dedicated XOR/CRC engines for RAID 5 parity acceleration. |
| Legacy Protocol Support | QUICC Engine subsystem - provides autonomous HDLC, TDM, and PROFIBUS channel handling without CPU intervention or external glue logic. |
| High-Speed I/O | 4-lane 10 GHz SerDes - configures as 6× SGMII, 3× PCIe Gen2, 1× SATA 3.0, or combinations - eliminates need for external SerDes ICs and simplifies board layout. |
Pinout & Package
LS1023ASN7KNLB 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 opening and ground plane connection for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_CKE[1:0] | DDR Clock Enable | Active-high enable signals controlling DDR3L/DDR4 clock tree activation per rank - critical for power gating during low-activity states. |
| SGMII_RX[5:0]/TX[5:0] | SerDes Lane I/O | Configurable differential pairs supporting SGMII, PCIe, or SATA physical layer - mapped to SerDes lanes 0–5 per device configuration. |
| PCIe_CLKREQ[2:0]# | PCIe Clock Request | Open-drain active-low signals requesting reference clock from root complex - used for ASPM L1 substate entry coordination. |
| USB3_DP/DM[2:0] | USB 3.0 Differential Pair | Integrated PHY outputs for USB 3.0 SuperSpeed operation - eliminates need for external transceivers and reduces BOM count. |
| QE_RxClk/QE_TxClk | QUICC Engine Clock | Dedicated clock inputs for QUICC Engine subsystem - enables independent clock domain operation from ARM cores for deterministic legacy protocol timing. |
| SEC_CLK | Security Engine Clock | Input clock for SEC 5.4 block - must be stable and jitter-controlled to ensure cryptographic operation integrity and timing compliance. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | CoreLink CCI-400 + SMMU enables secure partitioning of memory and peripherals across VMs - required for Type 1 hypervisor deployments in industrial control systems. |
| IEEE 1588v2 Hardware Timestamping | Per-port timestamp registers and sync message handling in Frame Manager - achieves sub-100 ns time synchronization accuracy for TSN-capable industrial networks. |
| Fanless Thermal Design Target | Rated for ≤5 W typical system power - allows convection-cooled enclosures in DIN-rail mounted PLCs and remote edge gateways without thermal throttling. |
| Secure Boot with TrustZone | ROM-based boot ROM validates signed images before execution and isolates secure world resources - prevents unauthorized firmware modification in security appliances. |
| QuadSPI Flash Interface | Single 4-bit SPI interface supporting XIP (execute-in-place) - reduces boot latency and eliminates need for parallel NOR/NAND controllers in cost-sensitive designs. |
Applications
| Branch Office Router | vCPE Platform |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband WAN, LTE failover, and LAN switching in retail or remote office locations. IC Role / Device Role / Timing Role: Main SoC executing OpenWrt/DPDK with DPAA-accelerated forwarding and SEC 5.4 for encrypted site-to-site tunnels. Use Value: Achieves 9.8 Gb/s wire-speed routing with <5 W total system power, eliminating cooling fans and reducing MTBF risk. |
Use Scenario: White-box platform hosting virtualized CPE functions (firewall, QoS, VoIP) on a single board with service chaining. IC Role / Device Role / Timing Role: Dual-core host processor running KVM hypervisor, with SMMU-enforced memory isolation between VNFs and DPAA-managed packet steering. Use Value: Enables concurrent execution of 4+ VNFs while maintaining <50 µs packet latency through hardware-accelerated flow classification. |
| Industrial IoT Gateway | PLC Communication Module |
Use Scenario: Edge gateway collecting Modbus TCP, PROFINET, and MQTT data from factory floor devices and forwarding to cloud platforms. IC Role / Device Role / Timing Role: Central processor managing protocol translation, TLS encryption, and time-synchronized data logging via IEEE 1588v2. Use Value: Integrates QUICC Engine for native PROFIBUS/HDLC fieldbus bridging and SEC 5.4 for end-to-end encrypted telemetry - no external protocol chips required. |
Use Scenario: DIN-rail mounted communication module linking legacy PLC backplanes (e.g., PROFIBUS DP) to modern Ethernet/IP or OPC UA networks. IC Role / Device Role / Timing Role: Real-time protocol bridge using QUICC Engine for deterministic PROFIBUS master/slave operation and ARM cores for EtherNet/IP stack processing. Use Value: Eliminates external protocol ASICs and FPGA glue logic - reduces BOM cost by $4.20/unit and shortens design cycle by 8 weeks. |
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 ARM Cortex-A53 @ 1.6 GHz, same DPAA/SEC/QUICC Engine blocks, larger 1 MB L2 cache shared across four cores. | Higher throughput (>12 Gb/s) and VM density; requires more power (7–9 W) and active cooling in dense deployments. | Select when >10 Gb/s sustained forwarding or >4 concurrent VNFs are required; LS1023ASN7KNLB remains optimal for cost- and power-constrained edge nodes. |
| NXP LS1026ASN7QQB | Adds integrated 2.5G Ethernet MAC and enhanced SEC 5.5 with ChaCha20/Poly1305 acceleration; identical dual-core A53 and pinout. | Better suited for 2.5G uplinks and modern lightweight crypto (e.g., WireGuard); lacks QUICC Engine - no native PROFIBUS/HDLC support. | Choose LS1026ASN7QQB for greenfield 2.5G infrastructure; retain LS1023ASN7KNLB where legacy fieldbus integration is mandatory. |
Compared with LS1043ASN7QQB and LS1026ASN7QQB, the LS1023ASN7KNLB uniquely balances dual-core efficiency, QUICC Engine legacy support, and sub-5 W operation - making it the only option among the three qualified for uncooled DIN-rail industrial gateways requiring PROFIBUS bridging.
Availability
LS1023ASN7KNLB is available at Aetrix Electronics and suitable for branch office routers, industrial IoT gateways, and vCPE platforms requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production ramp.
Supply support for LS1023ASN7KNLB 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 networking markets.
The QorIQ LS series - including LS1023ASN7KNLB - was engineered specifically for fanless, small-form-factor edge infrastructure, combining ARM scalability with hardware acceleration for deterministic packet processing in industrial control and telco edge environments.
FAQ
What is the maximum operating frequency of the LS1023ASN7KNLB?
The LS1023ASN7KNLB operates at up to 1.2 GHz per ARM Cortex-A53 core. This frequency is guaranteed across industrial temperature range (−40°C to +105°C) under specified voltage and thermal conditions. The LS1023ASN7KNLB does not support dynamic frequency scaling beyond this rated speed, and all timing-critical peripherals (SerDes, DDR, PCIe) are validated at this clock rate.
Does the LS1023ASN7KNLB support DDR4 memory?
Yes, the LS1023ASN7KNLB supports both DDR3L and DDR4 memory via its 32-bit memory controller. DDR4 operation is validated at 2400 MT/s with 1.2 V supply, enabling higher bandwidth and lower power than DDR3L in thermally constrained designs. JEDEC-compliant DDR4-2400 UDIMMs are supported with appropriate layout and termination.
Is the QUICC Engine in the LS1023ASN7KNLB compatible with PROFIBUS DP Master functionality?
Yes, the integrated QUICC Engine in the LS1023ASN7KNLB supports full PROFIBUS DP Master operation per EN 50170, including cyclic data exchange, diagnostics, and parameterization. Firmware drivers are provided in the QorIQ SDK, and timing-critical response windows (<1 ms) are met using dedicated QUICC Engine timers and DMA channels - no ARM core involvement required.
What PCIe generation and lane count does the LS1023ASN7KNLB support?
The LS1023ASN7KNLB supports three PCIe Gen2 endpoints, each configurable as x1 or x2 lanes via SerDes lane mapping. All three links operate concurrently at 5 GT/s with full ASPM L0s/L1 support. Root Complex mode is not implemented; the LS1023ASN7KNLB functions exclusively as an endpoint in PCIe topologies.
Does the LS1023ASN7KNLB include hardware support for IEEE 1588v2 precision time protocol?
Yes, the LS1023ASN7KNLB provides full hardware timestamping for IEEE 1588v2 at each of its six Gigabit Ethernet ports. Timestamp registers capture ingress/egress times with <50 ns resolution, and the Frame Manager handles PTP sync, delay_req, and follow_up message processing in hardware - enabling sub-100 ns time synchronization accuracy in TSN-compliant industrial networks.
LS1023ASN7KNLB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 621-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:
- 621-FCPBGA (21x21)
- Additional Interfaces:
- -
LS1023ASN7KNLB FAQ
1.How can I place an order for LS1023ASN7KNLB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1023ASN7KNLB 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 LS1023ASN7KNLB reliable?
The price and inventory of LS1023ASN7KNLB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1023ASN7KNLB is usually 5 days.
3.What payment methods are accepted for LS1023ASN7KNLB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1023ASN7KNLB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1023ASN7KNLB?
LS1023ASN7KNLB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1023ASN7KNLB 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 LS1023ASN7KNLB?
For technical support, including LS1023ASN7KNLB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1023ASN7KNLB requirements.
6.How does Aetrix verify that LS1023ASN7KNLB is sourced from the original manufacturer or authorized distributors?
All LS1023ASN7KNLB 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 LS1023ASN7KNLB meets industry standards.
7.What is the process for return or replacement of LS1023ASN7KNLB?
All LS1023ASN7KNLB units undergo pre-shipment inspection (PSI). If there is an issue with LS1023ASN7KNLB, 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 LS1023ASN7KNLB part is unused and in its original packaging.
Return procedure for LS1023ASN7KNLB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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