NXP Semiconductors LS1043AXN7QQB
- Part No.:
- LS1043AXN7QQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043AXN7QQB.pdf
- Description:
- IC MPU QORIQ 1.6GHZ 621FCPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1043AXN7QQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor with 1 MB L2 cache, integrated Frame Manager, DPAA 2.0 acceleration, and SEC 5.4 security engine - designed for vCPE, industrial PLCs, and multi-protocol IoT gateways requiring deterministic packet processing at up to 10 Gb/s.
For engineers reviewing the LS1043AXN7QQB datasheet, LS1043AXN7QQB pinout, LS1043AXN7QQB application, or LS1043AXN7QQB equivalent, key selection criteria include DDR4/DDR3L memory support, hardware virtualization via SMMU, IEEE 1588-capable Gigabit Ethernet interfaces, PCIe Gen2 x3, USB 3.0 x3, and QUICC Engine legacy protocol offload capability.
Technical Context
The LS1043AXN7QQB implements four ARM Cortex-A53 cores operating at up to 1.6 GHz, interconnected via CoreLink CCI-400 with SMMU-enabled I/O memory management for virtualized environments. It integrates DPAA 2.0 accelerators including Frame Manager (packet parsing/classification), Queue Manager, and Buffer Manager to offload CPU-intensive networking tasks.
Its 4-lane 10 GHz SerDes supports six Gigabit Ethernet ports (with IEEE 1588), three PCIe Gen2 links, one SATA 3.0 interface, and optional QSGMII/XFI PHY configurations. The integrated SEC 5.4 engine delivers in-line IPsec, SSL/TLS, DTLS, IKE, and XOR acceleration for RAID 5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | 4× ARM Cortex-A53 @ up to 1.6 GHz - enables parallel real-time control and data plane processing in edge routers and industrial gateways. |
| L2 Cache | 1 MB unified L2 cache - reduces memory latency and improves throughput for multi-threaded network applications. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L and higher-bandwidth DDR4 for scalable BOM cost/performance trade-offs. |
| Networking Acceleration | DPAA 2.0 with Frame Manager - performs hardware-accelerated packet classification, distribution, policing, and IP reassembly without CPU intervention. |
| Security Engine | SEC 5.4 with IPsec/SSL/DTLS/IKE acceleration - enables full-tunnel encrypted traffic at line rate with minimal CPU overhead. |
| I/O Interfaces | 6× Gigabit Ethernet (IEEE 1588), 3× PCIe Gen2, 3× USB 3.0 w/PHY, SATA 3.0, QuadSPI, IFC - provides flexible, glue-less connectivity for WAN, storage, legacy fieldbus, and high-speed peripherals. |
| Legacy Protocol Support | QUICC Engine subsystem - handles HDLC, TDM, and PROFIBUS in hardware, eliminating external protocol bridges and reducing BOM count. |
Pinout & Package
LS1043AXN7QQB is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pin assignment follows the LS1043A Reference Manual Rev. 6, with dedicated ball groups for DDR4, SerDes lanes, PCIe, USB, and QUICC Engine signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR4_DQ[0:31] | DDR4 Data Bus | 32-bit bidirectional data path supporting DDR4-1600; requires matched trace lengths and on-die termination calibration. |
| SERDES_LANE[0:3] | Multi-protocol SerDes Transceiver | Configurable per lane for PCIe, SGMII, XFI, or SATA; each lane operates up to 10 Gbps with programmable equalization. |
| PCIe_REFCLK[0:2] | PCIe Reference Clock Input | Differential 100 MHz clock input per PCIe root port; must meet jitter <1.5 ps RMS for Gen2 compliance. |
| USB3_DP/DM[0:2] | USB 3.0 Differential Pair | Integrated PHY eliminates need for external transceivers; supports SuperSpeed (5 Gbps) operation with built-in eye diagram compliance. |
| QE_CLKIN/QE_CLKOUT | QUICC Engine Clock Interface | Provides synchronous clocking for HDLC/TDM frame timing; supports master/slave modes and programmable dividers for legacy protocol alignment. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | CoreLink CCI-400 + SMMU enables secure partitioning of CPU, memory, and I/O resources across VMs - critical for consolidated vCPE deployments. |
| Frame Manager Offload | Performs Layer 2–4 packet parsing, classification, and forwarding decisions in hardware - frees ≥30% CPU cycles for application logic in routing/firewall use cases. |
| Secure Boot & TrustZone | Immutable boot ROM validates signed firmware images; TrustZone isolates secure world execution for cryptographic key management and secure boot chain integrity. |
| Low-Power Fanless Operation | Total system power as low as 5 W under typical networking loads - enables silent, convection-cooled designs for industrial enclosures and branch office locations. |
| QuadSPI Flash Interface | Supports XIP (execute-in-place) from serial NOR flash - reduces boot time and eliminates parallel NOR requirement, lowering PCB layer count and BOM cost. |
Applications
| Branch Office Router | vCPE Platform |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and Wi-Fi 6 access points in retail or remote offices. IC Role / Device Role / Timing Role: Central SoC executing routing stack, managing WAN failover, and accelerating encrypted traffic via SEC 5.4 and DPAA. Use Value: Achieves 9.8 Gb/s aggregate throughput with sub-5W power draw, eliminating active cooling and reducing total ownership cost. | Use Scenario: White-box platform hosting virtualized firewall, SD-WAN, and VoIP services on a single hardware instance. IC Role / Device Role / Timing Role: Multicore host running Linux KVM with SMMU-enforced VM isolation and Frame Manager–assisted packet steering to vSwitches. Use Value: Enables carrier-grade service chaining with hardware-accelerated IPsec and deterministic latency for VoIP media streams. |
| Industrial PLC Gateway | Multi-Protocol IoT Edge Gateway |
Use Scenario: DIN-rail mounted gateway connecting Modbus RTU, PROFIBUS, and EtherNet/IP field devices to cloud SCADA systems. IC Role / Device Role / Timing Role: Dual-role processor: QUICC Engine handles legacy fieldbus framing while Cortex-A53 cores run OPC UA server and TLS-secured MQTT clients. Use Value: Eliminates external protocol bridge ICs; reduces bill-of-materials by 4–6 components and simplifies CE/UL certification. | Use Scenario: Smart city node collecting sensor data from LoRaWAN, NB-IoT, and Zigbee networks, then forwarding via 5G or fiber uplink. IC Role / Device Role / Timing Role: Aggregation SoC managing concurrent wireless stacks, performing edge analytics, and enforcing end-to-end encryption with SEC 5.4. Use Value: Supports 10+ concurrent protocol stacks with hardware-accelerated crypto and time-synchronized IEEE 1588 timestamping for sensor fusion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LS1046AXN7QQB | 64-bit quad-core Cortex-A72 @ 1.8 GHz, 2 MB L2 cache, enhanced DPAA 2.0 with 2× Frame Managers, higher thermal envelope (12 W). | Better suited for high-throughput SD-WAN and 5G small cell gateways where >10 Gb/s throughput and lower latency are required. | Select LS1046AXN7QQB when application demands higher single-thread performance or dual Frame Manager redundancy. |
| IMX8MQXNQ1B | Quad-core Cortex-A53 @ 1.5 GHz, no DPAA, no QUICC Engine, integrated GC7000Lite GPU, MIPI-CSI/DSI interfaces, optimized for multimedia UI and vision. | Targeted at HMI, digital signage, and camera-based edge AI - lacks hardware networking acceleration and legacy industrial protocol support. | Choose IMX8MQXNQ1B only for non-networking embedded applications requiring display or vision capabilities, not for packet-forwarding roles. |
Compared with LS1046AXN7QQB, the LS1043AXN7QQB trades peak CPU performance and dual Frame Manager redundancy for lower power (5 W vs. 12 W) and proven QUICC Engine integration - making it optimal for thermally constrained, legacy-protocol–heavy industrial gateways. Versus IMX8MQXNQ1B, LS1043AXN7QQB provides dedicated networking acceleration and industrial I/O absent in the multimedia-focused i.MX 8M series.
Availability
LS1043AXN7QQB is available at Aetrix Electronics and suitable for vCPE platforms, industrial PLC gateways, and multi-protocol IoT edge gateways requiring stable component supply, long-term lifecycle assurance, and qualified automotive/industrial temperature grade availability.
Supply support for LS1043AXN7QQB 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 specializing in secure connectivity solutions for automotive, industrial, and communications markets, with deep expertise in ARM-based SoCs and networking IP.
The LS1043A belongs to NXP's Layerscape family - purpose-built 64-bit ARM communications processors targeting fanless, small-form-factor edge infrastructure where power efficiency, hardware-accelerated networking, and legacy protocol support are mandatory.
FAQ
What is the maximum operating frequency of the LS1043AXN7QQB?
The LS1043AXN7QQB features four ARM Cortex-A53 cores rated for operation up to 1.6 GHz. This frequency is guaranteed across the industrial temperature range (–40°C to +105°C) and supported by the on-chip dynamic voltage and frequency scaling (DVFS) controller, which adjusts core voltage and clock based on workload and thermal conditions to maintain reliability and efficiency in fanless LS1043AXN7QQB deployments.
Does the LS1043AXN7QQB support DDR4 memory?
Yes, the LS1043AXN7QQB includes a 32-bit DDR3L/DDR4 memory controller supporting DDR4-1600 (800 MHz) operation. It is among the first communications processors in its class to offer native DDR4 support, enabling higher bandwidth and lower power per bit compared to DDR3L - a key advantage for memory-intensive vCPE and IoT gateway applications using LS1043AXN7QQB.
How many Gigabit Ethernet interfaces does the LS1043AXN7QQB support?
The LS1043AXN7QQB supports up to six Gigabit Ethernet interfaces via its integrated 4-lane 10 GHz SerDes, configurable as SGMII, RGMII, or QSGMII. All six ports include IEEE 1588-2008 hardware timestamping capability, enabling precise time synchronization for industrial automation and telecom timing applications using LS1043AXN7QQB as the central timing-aware packet processor.
Is the LS1043AXN7QQB pin-compatible with the LS1023A series?
No, the LS1043AXN7QQB is not pin-compatible with LS1023A-series processors. While both share the same 621-ball FC-BGA footprint and similar signal grouping, differences in SerDes lane mapping, DDR4 termination requirements, and QUICC Engine pin assignments prevent direct PCB replacement. Migration from LS1023A to LS1043AXN7QQB requires board redesign and layout validation per the LS1043AXN7QQB Hardware Design Guide.
What security features are integrated into the LS1043AXN7QQB?
The LS1043AXN7QQB integrates SEC 5.4 - a dedicated security co-processor supporting IPsec, SSL/TLS, DTLS, IKEv1/v2, and high-speed XOR for RAID 5 - alongside TrustZone-enabled secure boot, immutable ROM-based boot flow, and SMMU-enforced memory isolation. These features collectively enable LS1043AXN7QQB to serve as a trusted root-of-trust in secure edge infrastructure without requiring external security elements.
LS1043AXN7QQB 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:
- 4 Core, 64-Bit
- Speed:
- 1.6GHz
- 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 (3) + PHY
- Voltage - I/O:
- -
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Security Features:
- Secure Boot, TrustZone®
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 621-FCPBGA (21x21)
- Additional Interfaces:
- -
LS1043AXN7QQB FAQ
1.How can I place an order for LS1043AXN7QQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043AXN7QQB 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 LS1043AXN7QQB reliable?
The price and inventory of LS1043AXN7QQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043AXN7QQB is usually 5 days.
3.What payment methods are accepted for LS1043AXN7QQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043AXN7QQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043AXN7QQB?
LS1043AXN7QQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043AXN7QQB 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 LS1043AXN7QQB?
For technical support, including LS1043AXN7QQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043AXN7QQB requirements.
6.How does Aetrix verify that LS1043AXN7QQB is sourced from the original manufacturer or authorized distributors?
All LS1043AXN7QQB 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 LS1043AXN7QQB meets industry standards.
7.What is the process for return or replacement of LS1043AXN7QQB?
All LS1043AXN7QQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043AXN7QQB, 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 LS1043AXN7QQB part is unused and in its original packaging.
Return procedure for LS1043AXN7QQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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