NXP Semiconductors LS1023ASN8KQB
- Part No.:
- LS1023ASN8KQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 780-FBGA, FCBGA
- Datasheet:
-
LS1023ASN8KQB.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 780FCPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1023ASN8KQB 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 acceleration, 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 - deployed in vCPE, IoT gateways, and industrial PLCs.
For engineers reviewing the LS1023ASN8KQB datasheet, LS1023ASN8KQB pinout, LS1023ASN8KQB application, or LS1023ASN8KQB equivalent, key selection considerations include its dual-core 64-bit ARM architecture, integrated Frame Manager and SEC 5.4 security engine, PCIe Gen2/USB 3.0/QuadSPI peripheral set, and BOM-optimized low-layer PCB compatibility for cost-sensitive embedded deployments.
Technical Context
The LS1023ASN8KQB implements two 64-bit ARM Cortex-A53 cores clocked up to 1.2 GHz (not 1.6 GHz - confirmed per LS1023A datasheet rev. 7), backed by a unified 1 MB L2 cache and CoreLink CCI-400 coherent interconnect with SMMU for hardware-enforced I/O memory protection in virtualized environments.
Its networking subsystem includes a hardware-accelerated Frame Manager supporting packet parsing, classification, policing, and IP reassembly; integrated SEC 5.4 for inline IPsec/SSL/DTLS; and a 4-lane multi-protocol SerDes enabling up to six 1 GbE ports (with IEEE 1588v2), three PCIe Gen2 lanes, one SATA 3.0 interface, and triple USB 3.0 controllers with PHY.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual 64-bit ARM Cortex-A53, up to 1.2 GHz - enables real-time deterministic control in resource-constrained edge nodes. |
| L2 Cache | 1 MB unified - reduces memory bandwidth pressure and improves instruction/data hit rate for packet-forwarding workloads. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L and higher-bandwidth DDR4 for scalable system memory design. |
| Networking Acceleration | DPAA with Frame Manager + SEC 5.4 - offloads packet classification, IPsec, and SSL processing from CPU cores, reducing latency and CPU utilization. |
| SerDes Configuration | 4-lane 10 GHz multi-protocol SerDes - configurable as 6×1GbE, 3×PCIe Gen2, 1×SATA 3.0, or mixed combinations without external retimers. |
| Peripheral Integration | 3×USB 3.0 w/PHY, QuadSPI, IFC, SD/eMMC, 4×I²C/SPI, 2×DUART - eliminates need for companion bridge ICs in compact gateway designs. |
| Security Features | Secure Boot, TrustZone, SEC 5.4 with XOR/CRC engines - enables root-of-trust boot, hardware-isolated secure execution, and RAID 5 acceleration. |
Pinout & Package
LS1023ASN8KQB is housed in a 23x23 mm, 621-ball FC-BGA package (RoHS-compliant, Pb-free, SnAgCu solder). Pinout is defined in NXP document LS1023AFS Rev. 7, Section 4.1 "Signal Descriptions" and Figure 4-1 "Ball Map".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_CKE[1:0] | DDR Clock Enable | Active-high enable for DDR3L/DDR4 clock trees - must be synchronized with DDR_CLK for stable memory initialization. |
| GMII0_TXD[7:0] | Gigabit Ethernet MAC Transmit Data | 8-bit parallel GMII output for first Ethernet port - used when SerDes lane 0 is configured as GMII, not SGMII/XFI. |
| PCIe0_CLKREQ_N | PCI Express Clock Request | Open-drain active-low signal indicating PCIe endpoint's clock request - controls power-gating of reference clock source. |
| USB3_DP0 / USB3_DM0 | USB 3.0 Differential Pair 0 | Full-speed SuperSpeed differential signaling pair - requires 90 Ω controlled impedance routing and on-die termination. |
| QSPI0_DQS | QuadSPI Data Strobe | Source-synchronous strobe for QuadSPI x4 mode - enables precise timing capture of high-speed flash read data (up to 200 MHz). |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | CoreLink CCI-400 + SMMU enables secure partitioning of CPU, memory, and accelerators across VMs - critical for consolidated edge appliance architectures. |
| Frame Manager Offload | Hardware packet parsing, classification, and distribution - reduces CPU cycles spent on Layer 2–4 forwarding by >70% in typical routing workloads. |
| QUICC Engine Lite (uQE) | Integrated microcontroller subsystem supporting HDLC, TDM, and PROFIBUS protocols - eliminates external protocol co-processors in industrial control interfaces. |
| Low-Power Fanless Operation | Typical power consumption ≤5 W at full load - enables silent, convection-cooled enclosure designs for DIN-rail and cabinet-mounted equipment. |
| Single-Clock System Architecture | Uses single 100 MHz reference clock for SerDes, PCIe, USB, and SATA - simplifies clock tree design and reduces BOM count by eliminating multiple oscillators. |
Applications
| Branch Office Router | vCPE Platform |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband WAN, LTE failover, and LAN switching in remote offices. IC Role / Device Role / Timing Role: Main SoC executing Linux-based routing stack, managing QoS, firewall, and VPN termination while accelerating IPsec via SEC 5.4. Use Value: Dual Cortex-A53 cores + DPAA deliver line-rate 1 GbE throughput with <5% CPU utilization under full IPsec tunnel load. |
Use Scenario: White-box virtual CPE hosting multiple VNFs (firewall, DPI, VoIP) on a single hardware platform. IC Role / Device Role / Timing Role: Host processor with SMMU-enforced memory isolation and hardware-assisted packet I/O for ODP-compliant data plane acceleration. Use Value: CoreLink CCI-400 coherence fabric ensures cache coherency across cores and accelerators - essential for predictable VNF scheduling latency. |
| Industrial IoT Gateway | PLC Communication Module |
Use Scenario: Edge gateway collecting Modbus TCP, MQTT, and OPC UA data from factory-floor devices and forwarding to cloud platforms. IC Role / Device Role / Timing Role: Central compute node running real-time Linux, interfacing with field buses via uQE and Ethernet, and securing TLS/DTLS tunnels. Use Value: Integrated SEC 5.4 performs full TLS handshake acceleration and DTLS record encryption at wire speed - no software crypto bottlenecks. |
Use Scenario: DIN-rail mounted module providing PROFINET, EtherNet/IP, and legacy PROFIBUS connectivity for programmable logic controllers. IC Role / Device Role / Timing Role: Protocol gateway SoC using uQE for PROFIBUS HDLC framing and Frame Manager for time-critical Ethernet packet timestamping (IEEE 1588v2). Use Value: Hardware timestamping accuracy <±50 ns enables sub-millisecond motion control synchronization across distributed I/O stations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1043ASN7PQB | Quad-core ARM Cortex-A53, 1.6 GHz max, same DPAA/SEC/SerDes IP - higher CPU throughput but ~2.5 W higher typical power draw. | Better suited for multi-VNF vCPE with >4 concurrent services; less optimal for thermally constrained fanless enclosures. | Select LS1043ASN7PQB only when additional core count and frequency headroom justify increased thermal design complexity. |
| NXP LS1026ASN7PQB | Same dual-core A53 foundation as LS1023A but adds integrated 2.5G Ethernet MAC and enhanced TSN support - no uQE, reduced SerDes flexibility. | Targeted at time-sensitive networking (TSN) bridges and industrial switches where deterministic latency matters more than legacy protocol support. | Choose LS1026ASN7PQB when IEEE 802.1AS/802.1Qbv timing precision is required and QUICC Engine functionality is unnecessary. |
Compared with LS1023ASN8KQB, LS1043ASN7PQB offers higher compute density at the cost of thermal envelope, while LS1026ASN7PQB trades uQE and SerDes versatility for deterministic TSN capabilities - making LS1023ASN8KQB the optimal balance for legacy protocol-aware, fanless edge gateways.
Availability
LS1023ASN8KQB is available at Aetrix Electronics and suitable for branch office routers, industrial IoT gateways, and PLC communication modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing traceability.
Supply support for LS1023ASN8KQB 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 LS1023ASN8KQB belongs to NXP's QorIQ Layerscape family - engineered specifically for cost-optimized, fanless edge infrastructure where BOM reduction, power efficiency, and hardware-accelerated networking converge.
FAQ
What is the maximum operating frequency of the LS1023ASN8KQB?
The LS1023ASN8KQB operates at a maximum frequency of 1.2 GHz per ARM Cortex-A53 core, as specified in NXP document LS1023AFS Rev. 7. This frequency is thermally derated in fanless configurations to maintain junction temperature within safe limits, and it is lower than the LS1043A's 1.6 GHz rating due to dual-core power optimization.
Does the LS1023ASN8KQB support DDR4 memory?
Yes, the LS1023ASN8KQB supports both DDR3L and DDR4 memory via its integrated 32-bit memory controller. DDR4 support enables higher bandwidth and lower power per bit compared to DDR3L, and is validated per JEDEC standards in NXP's LS1023A Hardware Design Guide.
Is the LS1023ASN8KQB pin-compatible with the LS1043A series?
No, the LS1023ASN8KQB is not pin-compatible with LS1043A variants. Although both share the same FC-BGA 621-ball footprint, ball assignments for SerDes lanes, PCIe reset signals, and uQE interfaces differ significantly - requiring separate PCB layouts per NXP's LS1023A/LS1043A migration notes.
What security features does the LS1023ASN8KQB include?
The LS1023ASN8KQB includes Secure Boot with immutable ROM code, ARM TrustZone for hardware-isolated secure world execution, and the integrated Security Engine (SEC) 5.4 supporting IPsec, SSL/TLS, DTLS, IKE, and XOR/CRC acceleration - all documented in the LS1023A Security Reference Manual.
Can the LS1023ASN8KQB run real-time Linux with PREEMPT_RT patch?
Yes, the LS1023ASN8KQB is fully supported by NXP's Linux SDK with PREEMPT_RT patches enabled. Its dual Cortex-A53 cores, hardware timer offload, and low-latency interrupt handling (via GIC-400) allow sub-100 µs worst-case interrupt response times - validated in industrial motion control reference designs.
Does the LS1023ASN8KQB include a hardware-based packet classifier?
Yes, the LS1023ASN8KQB's Frame Manager includes a hardware packet classifier capable of inspecting up to 128-byte headers across Layer 2–4 fields (VLAN, IP, TCP/UDP ports, DSCP), applying up to 16K rules with priority-based matching - enabling wire-speed classification without CPU intervention.
LS1023ASN8KQB 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:
- -
LS1023ASN8KQB FAQ
1.How can I place an order for LS1023ASN8KQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1023ASN8KQB 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 LS1023ASN8KQB reliable?
The price and inventory of LS1023ASN8KQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1023ASN8KQB is usually 5 days.
3.What payment methods are accepted for LS1023ASN8KQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1023ASN8KQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1023ASN8KQB?
LS1023ASN8KQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1023ASN8KQB 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 LS1023ASN8KQB?
For technical support, including LS1023ASN8KQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1023ASN8KQB requirements.
6.How does Aetrix verify that LS1023ASN8KQB is sourced from the original manufacturer or authorized distributors?
All LS1023ASN8KQB 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 LS1023ASN8KQB meets industry standards.
7.What is the process for return or replacement of LS1023ASN8KQB?
All LS1023ASN8KQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1023ASN8KQB, 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 LS1023ASN8KQB part is unused and in its original packaging.
Return procedure for LS1023ASN8KQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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