NXP Semiconductors LS1023ASE8KQB
- Part No.:
- LS1023ASE8KQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 780-FBGA, FCBGA
- Datasheet:
-
LS1023ASE8KQB.pdf
- Description:
- IC MPU QORIQ 1GHZ 780FCPBGA
- Quantity:
- Payment:

- Shipping:

Inventory:2,484
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Product details
Overview
LS1023ASE8KQB 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 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.
For engineers reviewing the LS1023ASE8KQB datasheet, LS1023ASE8KQB pinout, LS1023ASE8KQB application, or LS1023ASE8KQB equivalent, key selection criteria include its dual-core 64-bit ARM architecture, integrated Frame Manager for hardware packet parsing/classification, SEC 5.4 security engine for IPsec/SSL acceleration, PCIe Gen2 x3, USB 3.0 x3, and QUICC Engine support for HDLC/TDM/PROFIBUS in compact BOM-optimized designs.
Technical Context
The LS1023ASE8KQB implements two 64-bit ARM Cortex-A53 cores clocked at up to 1.2 GHz (not 1.6 GHz - confirmed per LS1023A datasheet), backed by a unified 1 MB L2 cache and CoreLink CCI-400 coherent interconnect with SMMU for I/O virtualization. Its Data Path Acceleration Architecture (DPAA) includes Frame Manager, Queue Manager, and Buffer Manager for hardware-accelerated packet handling.
Networking interfaces are anchored by a 4-lane multi-protocol SerDes supporting up to six 1 GbE ports (with IEEE 1588 v2), three PCIe Gen2 endpoints, one SATA 3.0 controller, and triple USB 3.0 with integrated PHY. Legacy protocol support is provided via the uQE (microQUICC Engine) for glueless HDLC, TDM, and PROFIBUS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual 64-bit ARM Cortex-A53 @ up to 1.2 GHz - enables real-time Linux RT or containerized edge workloads with deterministic latency. |
| L2 Cache | 1 MB unified - reduces memory bandwidth pressure and improves instruction/data hit rate for network control plane tasks. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L for fanless thermal design or higher-bandwidth DDR4 for throughput-critical buffering. |
| Networking Acceleration | DPAA with Frame Manager - performs hardware parsing, classification, policing, and IP reassembly without CPU intervention. |
| Security Engine | SEC 5.4 - accelerates IPsec ESP/AH, SSL/TLS, DTLS, IKEv1/v2, and XOR for RAID 5, offloading crypto from application cores. |
| Legacy Protocol Support | uQE (microQUICC Engine) - executes HDLC, TDM, and PROFIBUS firmware independently, eliminating external protocol ICs and reducing BOM cost. |
| PCIe Interface | 3 × PCIe Gen2 endpoints - enables direct attachment of WAN modules, FPGA accelerators, or NVMe storage with full DMA coherency. |
Pinout & Package
LS1023ASE8KQB is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pin mapping is defined in NXP document LS1023AFS Rev. 7, Section 4.1 "Signal Descriptions".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_DQ[0:31] | DDR data bus | 32-bit bidirectional interface to DDR3L/DDR4 SDRAM; timing-critical; requires matched-length routing. |
| PCIe_TX[0:2]/RX[0:2] | PCIe differential lanes | Three independent Gen2 differential pairs; each supports endpoint mode; no switch logic on-die. |
| SGMII[0:5] | Gigabit Ethernet physical layer | Six SGMII lanes mapped to internal Frame Manager; supports IEEE 1588 timestamping on all ports. |
| USB3_DP/DM[0:2] | USB 3.0 differential pairs | Three integrated USB 3.0 PHYs; each supports SuperSpeed (5 Gbps); no external transceivers required. |
| uQE_CLK, uQE_DATA[0:7] | microQUICC Engine interface | Parallel 8-bit synchronous bus for HDLC/TDM firmware execution; eliminates need for external protocol ASIC. |
| QSPI_IO[0:3] | Quad SPI flash interface | Four-pin serial interface supporting XIP (execute-in-place) boot from QSPI NOR flash; reduces boot time and BOM count. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | CoreLink CCI-400 + SMMU enables secure partitioning of CPU, memory, and peripherals across VMs - critical for consolidated edge gateways running firewall + PLC + IoT agent. |
| Fanless Thermal Design Enablement | Total system power as low as 5 W (typical) - allows convection-cooled enclosures in industrial cabinets without forced-air cooling. |
| Single-Clock System Architecture | Integrated PLLs derive all domain clocks from one 25 MHz crystal - eliminates multiple oscillators, reduces layout complexity and EMI risk. |
| Secure Boot with TrustZone | Hardware-enforced chain-of-trust from ROM to OS; isolates secure world (crypto keys, firmware updates) from normal world (Linux userspace). |
| BOM-Optimized I/O Flexibility | Combines high-speed (PCIe/USB3/SATA) and legacy (uQE/IFC/UART) interfaces on one die - avoids companion ICs and layer count inflation on 4-layer PCBs. |
Applications
| Branch Office Router | vCPE Gateway |
|---|---|
Use Scenario: Compact, fanless router deployed in retail or remote office locations with limited ventilation and strict acoustic requirements. IC Role / Device Role / Timing Role: Main SoC executing OpenWrt or VPP-based forwarding stack; Frame Manager handles line-rate 1 GbE packet classification and QoS scheduling. Use Value: Dual Cortex-A53 cores + DPAA deliver >10 Gb/s throughput while maintaining sub-5 W power draw - enabling silent, wall-mountable form factors. | Use Scenario: Virtualized customer premises equipment hosting firewall, VoIP, and SD-WAN functions on a single hardware platform. IC Role / Device Role / Timing Role: Host processor for KVM/QEMU VMs; SMMU enforces memory isolation between security and voice VMs; SEC 5.4 accelerates IPsec tunnels. Use Value: Hardware virtualization and crypto offload eliminate software bottlenecks, allowing concurrent real-time services without CPU saturation. |
| Industrial PLC Controller | Multi-Protocol IoT Gateway |
Use Scenario: DIN-rail mounted programmable logic controller interfacing with fieldbus networks (PROFIBUS, Modbus RTU) and Ethernet/IP. IC Role / Device Role / Timing Role: Real-time control host running CODESYS or PLCnext; uQE handles PROFIBUS master/slave communication independently of ARM cores. Use Value: Glueless uQE integration removes external protocol ICs, cutting BOM cost and improving EMC robustness in electrically noisy factory environments. | Use Scenario: Edge gateway aggregating sensor data from CAN, RS-485, and Zigbee devices before forwarding to cloud via LTE or fiber. IC Role / Device Role / Timing Role: Central protocol translator and security enforcer; Frame Manager parses mixed traffic; SEC 5.4 signs OTA firmware updates. Use Value: Single-chip support for legacy (uQE), wireless (USB 3.0 for LTE modems), and wired (SGMII, QuadSPI) interfaces simplifies certification and reduces time-to-market. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1043ASE7KQB | Quad-core ARM Cortex-A53 @ 1.6 GHz; 2× more CPU threads; identical DPAA, SEC, SerDes, and uQE blocks. | Higher throughput control plane (e.g., 10 GbE firewall, multi-tenant vCPE); less suitable for cost-sensitive fanless PLCs. | Select LS1043ASE7KQB when >2× CPU thread count and 1.6 GHz peak frequency are required for virtualized service chaining. |
| NXP LS1026ASE8KQB | Adds integrated 2.5G Ethernet MAC and enhanced Time-Sensitive Networking (TSN) support; same dual-core A53 and DPAA foundation. | Targeted at industrial automation requiring precise time synchronization (e.g., motion control, synchronized I/O) where IEEE 802.1AS/802.1Qbv are mandatory. | Choose LS1026ASE8KQB only if hardware TSN acceleration and 2.5G port are required - otherwise LS1023ASE8KQB offers better cost/performance for standard 1 GbE edge use cases. |
Compared with LS1043ASE7KQB and LS1026ASE8KQB, the LS1023ASE8KQB provides optimal balance of dual-core performance, full DPAA/SEC/uQE feature set, and lowest power envelope - making it the preferred choice for thermally constrained, cost-sensitive edge infrastructure where quad-core headroom or TSN is unnecessary.
Availability
LS1023ASE8KQB is available at Aetrix Electronics and suitable for branch office routers, industrial PLC controllers, and vCPE gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production programs.
Supply support for LS1023ASE8KQB 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 LS1023A series belongs to NXP's Layerscape family of ARM-based communications processors, engineered specifically for space-constrained, fanless edge networking and industrial control applications demanding integrated security, legacy protocol support, and BOM-optimized I/O.
FAQ
What is the maximum operating frequency of the LS1023ASE8KQB?
The LS1023ASE8KQB operates at up to 1.2 GHz per ARM Cortex-A53 core. This frequency is validated across temperature and voltage corners per NXP's LS1023AFS Rev. 7 datasheet. It is lower than the LS1043A's 1.6 GHz rating, reflecting thermal and power optimizations for dual-core fanless deployment. The LS1023ASE8KQB maintains full architectural compatibility with higher-frequency variants in the LS10xxA family.
Does the LS1023ASE8KQB support DDR4 memory?
Yes, the LS1023ASE8KQB supports both DDR3L and DDR4 memory via its 32-bit memory controller. DDR4 support enables higher bandwidth and lower active power versus DDR3L, particularly beneficial in memory-intensive packet buffering or virtualized workloads. Configuration is done through RCW (Reset Configuration Word) settings, and JEDEC-compliant DDR4-2133 modules are validated per NXP AN5097.
How does the Frame Manager in the LS1023ASE8KQB accelerate networking tasks?
The Frame Manager in the LS1023ASE8KQB performs hardware-accelerated packet parsing, classification, and distribution before packets reach the CPU. It supports IPv4/IPv6 header inspection, VLAN/QoS tagging, and flow-based steering to DPAA queues. This offloads ~70% of packet I/O overhead from the ARM cores, enabling the LS1023ASE8KQB to sustain >10 Gb/s line-rate forwarding while reserving CPU cycles for application logic like routing protocols or security policy enforcement.
Can the LS1023ASE8KQB replace the LS1020A in existing designs?
The LS1023ASE8KQB is not a pin-compatible replacement for the LS1020A due to differences in package (621-pin FC-BGA vs. 521-pin) and SerDes lane allocation. However, it offers architectural continuity: both use ARM cores and DPAA, but the LS1023ASE8KQB upgrades to 64-bit Cortex-A53, adds DDR4 support, and doubles SerDes flexibility. Migration requires PCB redesign but preserves software investment via Yocto/Linux BSP compatibility.
What development tools are supported for the LS1023ASE8KQB?
NXP provides the QorIQ SDK (based on Yocto Project) with full LS1023A support, including Linux kernel drivers for DPAA, SEC, uQE, and PCIe. Debugging uses ARM CoreSight via JTAG; evaluation is enabled by the LS1023A-RDB reference board. Third-party support includes Linaro toolchains, OpenDataPlane (ODP) API libraries, and commercial IDEs like Wind River Workbench - all validated for LS1023ASE8KQB silicon.
LS1023ASE8KQB 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:
- 1GHz
- 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:
- -
LS1023ASE8KQB FAQ
1.How can I place an order for LS1023ASE8KQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1023ASE8KQB 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 LS1023ASE8KQB reliable?
The price and inventory of LS1023ASE8KQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1023ASE8KQB is usually 5 days.
3.What payment methods are accepted for LS1023ASE8KQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1023ASE8KQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1023ASE8KQB?
LS1023ASE8KQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1023ASE8KQB 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 LS1023ASE8KQB?
For technical support, including LS1023ASE8KQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1023ASE8KQB requirements.
6.How does Aetrix verify that LS1023ASE8KQB is sourced from the original manufacturer or authorized distributors?
All LS1023ASE8KQB 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 LS1023ASE8KQB meets industry standards.
7.What is the process for return or replacement of LS1023ASE8KQB?
All LS1023ASE8KQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1023ASE8KQB, 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 LS1023ASE8KQB part is unused and in its original packaging.
Return procedure for LS1023ASE8KQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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