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NXP Semiconductors LS1043AXE7KQA
- Part No.:
- LS1043AXE7KQA
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043AXE7KQA.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 621FCPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,564
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Product details
Overview
LS1043AXE7KQA from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor with 1 MB L2 cache, integrated Data Path Acceleration Architecture (DPAA), and Security Engine SEC 5.4. It delivers up to 10 Gb/s packet processing for branch office routers, vCPE, industrial PLCs, and multi-protocol IoT gateways.
For engineers reviewing the LS1043AXE7KQA datasheet, LS1043AXE7KQA pinout, LS1043AXE7KQA application, or LS1043AXE7KQA equivalent, key selection criteria include DDR3L/DDR4 memory support, hardware virtualization via SMMU, IEEE 1588-capable Gigabit Ethernet ports, PCIe Gen2 interfaces, and TrustZone-enabled secure boot capability.
Technical Context
The LS1043AXE7KQA integrates four ARM Cortex-A53 cores operating at up to 1.6 GHz, connected via CoreLink CCI-400 coherent interconnect and protected by ARM SMMU for I/O memory management in virtualized environments. Its DPAA offloads packet parsing, classification, and policing from CPU cores.
Networking is enabled by a 4-lane 10 GHz SerDes supporting up to six Gigabit Ethernet ports (with IEEE 1588), three PCIe Gen2 controllers, one SATA 3.0 interface, and triple USB 3.0 with integrated PHY. The integrated QUICC Engine supports legacy HDLC, TDM, and PROFIBUS without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | 4× ARM Cortex-A53 64-bit cores, up to 1.6 GHz - enables parallel real-time packet forwarding and control-plane processing. |
| L2 Cache | 1 MB unified L2 cache - reduces memory latency and improves throughput for multi-threaded networking workloads. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L and higher-bandwidth DDR4 for scalable system memory design. |
| Security Engine | SEC 5.4 with IPsec, SSL/TLS, DTLS, IKE, and XOR acceleration - enables line-rate encrypted traffic handling without CPU overhead. |
| Ethernet Support | Up to 6× 1 GbE ports with IEEE 1588 v2 hardware timestamping - provides precise time synchronization for industrial automation and telecom edge applications. |
| PCIe Interfaces | 3× PCIe Gen2 lanes - allows direct attachment of NICs, FPGA accelerators, or wireless modules with deterministic latency. |
| USB & Storage | 3× USB 3.0 with integrated PHY + SATA 3.0 + QuadSPI + IFC - enables flexible local storage, WAN failover, and boot-from-flash configurations. |
Pinout & Package
LS1043AXE7KQA is housed in a 23 mm × 23 mm, 780-pin FC-BGA package (RoHS-compliant, Pb-free). Pin mapping follows the LS1043A Reference Manual Rev.6, with dedicated ball groups for DDR3L/4, SerDes lanes, PCIe, USB, and security-related signals.
| 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 termination for signal integrity. |
| SERDES_LANE[0:3] | Multi-protocol SerDes differential pairs | Configurable as PCIe, SGMII, XFI, or SATA; each lane supports 5–10 Gbps with programmable equalization and pre-emphasis. |
| PCIE_CLKREQ[0:2] | PCIe clock request | Active-low per-lane power management signal enabling dynamic link power gating for thermal and energy optimization. |
| USB3_TXP/N[0:2] | USB 3.0 SuperSpeed differential outputs | Integrated PHY eliminates need for external transceivers; supports hot-plug detection and link training per USB 3.0 specification. |
| SEC_JTAG_TCK/TMS/TDI/TDO | Secure debug interface | Dedicated JTAG chain isolated from general-purpose debug; required for secure boot verification and TrustZone boundary validation. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | ARM SMMU + CoreLink CCI-400 enables strict memory isolation between VMs and accelerators - critical for consolidated edge appliances running mixed-criticality workloads. |
| Data Path Acceleration (DPAA) | Frame Manager with hardware parser/classifier/policer offloads >70% of packet I/O tasks - frees CPU cycles for application-layer services like DPI or firewall policy enforcement. |
| QUICC Engine Subsystem | Dedicated RISC engine with TDM/HDLC/PROFIBUS firmware - eliminates external protocol bridge ICs and reduces BOM cost in industrial control and legacy telecom equipment. |
| Secure Boot & TrustZone | ROM-based boot ROM validates signed images before execution; TrustZone partitions secure vs. non-secure world memory access - meets IEC 62443-3-3 SL2 requirements. |
| Fanless Thermal Design | Typical power consumption ≤5 W under full load - enables convection-cooled enclosures for ruggedized industrial and outdoor edge deployments. |
Applications
| Branch Office Router | vCPE / uCPE Platform |
|---|---|
|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and Wi-Fi 6 access points in SMB locations. IC Role / Device Role / Timing Role: Main SoC executing routing stack (OpenWrt/DPDK), managing WAN/LAN interfaces, and hosting virtualized CPE functions. Use Value: Integrated DPAA and SEC 5.4 enable concurrent IPsec tunneling, QoS shaping, and deep packet inspection at line rate without external ASICs. |
Use Scenario: White-box platform hosting multiple VNFs (firewall, NAT, VoIP gateway) on a single board with containerized orchestration. IC Role / Device Role / Timing Role: Compute and I/O hub with hardware-enforced VM isolation via SMMU and CoreLink CCI-400 coherence fabric. Use Value: Four Cortex-A53 cores + 1 MB L2 cache deliver predictable latency for real-time VNF scheduling while reducing total system power below 5 W. |
| Industrial PLC Controller | Multi-Protocol IoT Gateway |
|
Use Scenario: DIN-rail mounted controller interfacing Modbus TCP, PROFIBUS, and EtherCAT field buses in factory automation. IC Role / Device Role / Timing Role: Real-time control processor with QUICC Engine handling legacy serial protocols and Frame Manager managing time-sensitive Ethernet traffic. Use Value: Glue-less PROFIBUS support and IEEE 1588 timestamping ensure deterministic cycle times (<1 ms jitter) across heterogeneous industrial networks. |
Use Scenario: Edge gateway collecting sensor data from LoRaWAN, Zigbee, and BLE devices, then forwarding to cloud via TLS-secured MQTT over 4G/LTE. IC Role / Device Role / Timing Role: Secure connectivity hub performing protocol translation, data aggregation, and end-to-end encryption using SEC 5.4. Use Value: Triple USB 3.0 + SATA 3.0 + QuadSPI enable local caching, firmware updates, and high-throughput sensor log storage without external controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1023AXE7KQA | Dual-core Cortex-A53, same DPAA/SEC/QUICC Engine, lower max frequency (1.2 GHz), no SATA 3.0 | Better suited for cost-sensitive, lower-throughput edge nodes where dual-core performance suffices | Select when thermal envelope <3.5 W and 10 Gb/s throughput is not required |
| Marvell Armada 7040 | Quad-core Cortex-A72, no QUICC Engine, lacks native PROFIBUS/HDLC support, includes integrated 2.5G Ethernet PHY | Stronger single-thread performance but requires external bridging ICs for industrial serial protocols | Prefer for cloud-edge inference or video analytics; avoid where legacy TDM/PROFIBUS integration is mandatory |
Compared with LS1023AXE7KQA and Armada 7040, the LS1043AXE7KQA uniquely balances 10 Gb/s DPAA-accelerated throughput, industrial protocol support via QUICC Engine, and sub-5 W power for fanless deployment - making it optimal for consolidated edge infrastructure requiring both networking and control-plane versatility.
Availability
LS1043AXE7KQA is available at Aetrix Electronics and suitable for branch office routers, vCPE platforms, and industrial PLC controllers requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade (-40°C to +105°C).
Supply support for LS1043AXE7KQA 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 headquarters in Eindhoven, Netherlands.
The LS1043AXE7KQA belongs to NXP's Layerscape family of ARM-based communications processors, designed specifically for space-constrained, thermally limited edge networking and industrial control applications demanding hardware-accelerated packet processing and robust security.
FAQ
What is the maximum operating frequency of the LS1043AXE7KQA?
The LS1043AXE7KQA operates at up to 1.6 GHz per ARM Cortex-A53 core. This frequency is guaranteed across the full industrial temperature range (-40°C to +105°C) when powered with compliant DDR3L/DDR4 and proper thermal management. The LS1043AXE7KQA datasheet specifies timing margins and voltage scaling requirements to maintain stability at this speed.
Does the LS1043AXE7KQA support DDR4 memory?
Yes, the LS1043AXE7KQA includes a 32-bit DDR3L/DDR4 memory controller supporting both DDR3L (1.35 V) and DDR4 (1.2 V) DRAM. 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 in memory-intensive edge applications.
How many Gigabit Ethernet interfaces does the LS1043AXE7KQA support?
The LS1043AXE7KQA supports up to six Gigabit Ethernet interfaces via its 4-lane 10 GHz SerDes, configurable as SGMII, QSGMII, or RGMII. All ports include hardware timestamping per IEEE 1588-2008, enabling precise time synchronization essential for industrial automation and telecom edge timing applications.
Is the LS1043AXE7KQA pin-compatible with the LS1023AXE7KQA?
No, the LS1043AXE7KQA and LS1023AXE7KQA are not pin-compatible. Although both use 780-ball FC-BGA packages, their ball maps differ significantly due to distinct SerDes lane allocations, PCIe lane counts, and peripheral signal assignments. PCB layout must be redesigned when migrating between these two processors.
What security features are integrated into the LS1043AXE7KQA?
The LS1043AXE7KQA integrates TrustZone-enabled secure boot, hardware root-of-trust, and Security Engine SEC 5.4 supporting IPsec, SSL/TLS, DTLS, IKE, and XOR acceleration. These features allow secure firmware validation, encrypted traffic processing at line rate, and hardware-enforced memory isolation between trusted and untrusted software domains.
LS1043AXE7KQA 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:
- 1.0GHz
- 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 (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:
- -
LS1043AXE7KQA FAQ
1.How can I place an order for LS1043AXE7KQA through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043AXE7KQA 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 LS1043AXE7KQA reliable?
The price and inventory of LS1043AXE7KQA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043AXE7KQA is usually 5 days.
3.What payment methods are accepted for LS1043AXE7KQA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043AXE7KQA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043AXE7KQA?
LS1043AXE7KQA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043AXE7KQA 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 LS1043AXE7KQA?
For technical support, including LS1043AXE7KQA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043AXE7KQA requirements.
6.How does Aetrix verify that LS1043AXE7KQA is sourced from the original manufacturer or authorized distributors?
All LS1043AXE7KQA 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 LS1043AXE7KQA meets industry standards.
7.What is the process for return or replacement of LS1043AXE7KQA?
All LS1043AXE7KQA units undergo pre-shipment inspection (PSI). If there is an issue with LS1043AXE7KQA, 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 LS1043AXE7KQA part is unused and in its original packaging.
Return procedure for LS1043AXE7KQA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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