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NXP Semiconductors LS1043AXE7KQB
- Part No.:
- LS1043AXE7KQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043AXE7KQB.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 621FCPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,920
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Product details
Overview
LS1043AXE7KQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor designed for enterprise edge, industrial control, and networking applications. It delivers up to 10 Gb/s packet processing with integrated Frame Manager, DPAA offload engines, and SEC 5.4 security engine, operating at up to 1.6 GHz per core with 1 MB L2 cache and DDR4 memory support.
For engineers reviewing the LS1043AXE7KQB datasheet, LS1043AXE7KQB pinout, LS1043AXE7KQB application, or LS1043AXE7KQB equivalent, key selection considerations include its SerDes-based I/O flexibility (6× Gigabit Ethernet w/IEEE 1588, 3× PCIe Gen2, 3× USB 3.0), hardware virtualization support via SMMU, and fanless 5 W system power envelope.
Technical Context
The LS1043AXE7KQB implements four ARM Cortex-A53 cores in a coherent interconnect fabric using CoreLink CCI-400, with individual 32 KB I/D caches and shared 1 MB L2 cache. Its Data Path Acceleration Architecture (DPAA) includes Frame Manager, Queue Manager, Buffer Manager, and hardware parsers for line-rate packet classification and distribution.
Networking is enabled by a 4-lane 10 GHz multi-protocol SerDes supporting up to six Gigabit Ethernet ports (with IEEE 1588 v2 timestamping), three PCIe Gen2 controllers, one SATA 3.0 interface, and integrated QUICC Engine for legacy TDM/HDLC/PROFIBUS. Security acceleration is handled by SEC 5.4 supporting IPsec, SSL/TLS, DTLS, IKE, and XOR RAID acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | 4× ARM Cortex-A53 64-bit cores, each up to 1.6 GHz, enabling parallel real-time packet processing and application hosting. |
| L2 Cache | 1 MB unified L2 cache, reducing memory latency and improving throughput for multi-threaded network workloads. |
| Memory Interface | 32-bit DDR3L/DDR4 controller, supporting up to 8 GB RAM with ECC, enabling cost-effective high-bandwidth memory subsystems. |
| Networking I/O | Up to 6× 1 GbE ports with IEEE 1588 v2 hardware timestamping, managed by integrated Frame Manager for zero-CPU packet parsing and classification. |
| Accelerators | DPAA with Frame Manager, Queue Manager, Buffer Manager, and SEC 5.4 crypto engine-offloading IPsec, SSL, and RAID XOR from CPU cores. |
| PCIe & USB | 3× PCIe Gen2 lanes (x1/x2/x4 configurable) and 3× USB 3.0 controllers with integrated PHY-supporting WAN failover, storage expansion, and peripheral connectivity without external transceivers. |
| Security | TrustZone-enabled secure boot, SEC 5.4 with AES-256/GCM, SHA-256, RSA-4096, and hardware-accelerated IPsec/SSL termination. |
Pinout & Package
LS1043AXE7KQB is housed in a 23 x 23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pin mapping is defined in the LS1043AFS Rev 6 reference schematic and ball-out documentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1–A10, B1–B10, etc. (621 total) | Ball-grid array signal/power/ground terminals | Includes dedicated DDR4 DQ/DM/CK/CS, SerDes lanes (SGMII/XFI), PCIe REFCLK, USB differential pairs, I2C/SPI/UART, and SMMU-configurable AXI interfaces. |
| VDD_DDR, VDD_SOC, VDD_USB, etc. | Power supply domains | Separate regulated supplies for DDR, SoC core, USB PHY, and SerDes-enabling independent voltage scaling and low-noise domain isolation. |
| TRST_B, TDI, TDO, TMS, TCK | JTAG debug interface | IEEE 1149.1-compliant boundary scan and real-time debug access to all four Cortex-A53 cores and DPAA subsystems. |
| RESET_REQ_B, PORESET_B | Reset control inputs | Asynchronous reset assertion and power-on reset coordination with internal POR circuitry for deterministic boot initialization. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | SMMU-enabled I/O memory management allows safe resource partitioning across VMs-critical for consolidated vCPE and secure industrial gateway deployments. |
| Frame Manager Offload | Performs full packet parsing, classification, policing, and reassembly in hardware-reducing CPU load by >70% in L3/L4 forwarding scenarios. |
| QUICC Engine Integration | Legacy protocol support (HDLC, TDM, PROFIBUS) without external glue logic-reducing BOM count and PCB layer count in industrial PLC designs. |
| Fanless Thermal Design | Validated for 5 W typical system power at 1.6 GHz, enabling silent, convection-cooled enclosures for branch office and factory-floor deployment. |
| DDR4 Memory Support | First in QorIQ value-tier to support DDR4-delivering 30% higher bandwidth and 20% lower power vs. DDR3L at same capacity, extending platform longevity. |
Applications
| Branch Office Router | vCPE Gateway |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and Wi-Fi 5/6 access in retail or remote offices. IC Role / Device Role / Timing Role: Main SoC executing routing stack (OpenWrt/EdgeRouter OS), managing 6× GbE ports, 3× USB 3.0 (for 4G/LTE modems), and hardware-accelerated IPsec VPN tunnels. Use Value: Full line-rate 1 GbE routing with <5 ms latency and sub-5 W power draw-eliminating need for active cooling and reducing OPEX. | Use Scenario: Virtualized customer premises equipment hosting firewall, DPI, VoIP, and SD-WAN functions on single hardware platform. IC Role / Device Role / Timing Role: Multicore host processor running Linux KVM hypervisor, with DPAA offloading packet I/O and SEC 5.4 handling TLS 1.3 termination for encrypted SaaS traffic. Use Value: Enables 3+ concurrent virtual functions with hardware-enforced isolation via SMMU-replacing 3–4 legacy appliances with one LS1043AXE7KQB-based board. |
| Industrial IoT Gateway | Security Appliance |
Use Scenario: Factory-floor gateway connecting Modbus RTU, PROFIBUS, and EtherNet/IP field devices to cloud analytics platforms. IC Role / Device Role / Timing Role: Real-time protocol bridge leveraging QUICC Engine for legacy serial/TDM and ARM cores for MQTT/OPC UA translation and TLS encryption. Use Value: Single-chip support for 5+ industrial protocols with deterministic <100 µs jitter-reducing gateway BOM by 30% vs. dual-SoC solutions. | Use Scenario: Embedded threat prevention appliance performing deep packet inspection, intrusion prevention, and encrypted traffic analysis at branch scale. IC Role / Device Role / Timing Role: Dedicated security processor executing Snort/Suricata rulesets, with SEC 5.4 accelerating SSL/TLS decryption and Frame Manager enabling stateful flow tracking. Use Value: Processes 2.5 Gb/s encrypted traffic with <15 µs added latency-meeting PCI-DSS and IEC 62443-3-3 timing requirements for industrial security gateways. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1023AXE7KQB | Dual-core ARM Cortex-A53, same DPAA/SEC/QUICC Engine, but 2× CPU cores and no DDR4 support (DDR3L only). | Better suited for cost-sensitive, lower-throughput edge routers and lightweight gateways where 5 Gb/s aggregate bandwidth suffices. | Select LS1023AXE7KQB when thermal budget and BOM cost are tighter, and quad-core performance is unnecessary. |
| Marvell Armada 7040 | Quad-core ARM Cortex-A72, higher single-thread performance, but lacks QUICC Engine and integrated Frame Manager; requires external switch for multi-GbE aggregation. | Preferred for high-performance SD-WAN edge nodes requiring >12 Gb/s throughput and advanced AI inference, but not legacy industrial protocol support. | Choose Armada 7040 when prioritizing raw CPU performance and PCIe/NVMe storage over industrial protocol integration and deterministic packet offload. |
Compared with LS1023AXE7KQB and Marvell Armada 7040, the LS1043AXE7KQB uniquely balances quad-core 64-bit compute, hardware-accelerated networking (Frame Manager + DPAA), legacy industrial protocol support (QUICC Engine), and DDR4 readiness-making it optimal for consolidated, fanless, multi-protocol edge infrastructure where BOM simplicity and long-term memory roadmap matter.
Availability
LS1043AXE7KQB is available at Aetrix Electronics and suitable for branch office routers, vCPE gateways, and industrial IoT gateways requiring stable component supply, long lifecycle assurance, and qualified industrial temperature grade (-40°C to +105°C).
Supply support for LS1043AXE7KQB 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 embedded security.
The LS1043AXE7KQB belongs to NXP's QorIQ Layerscape family-designed specifically for fanless, small-form-factor edge networking and industrial infrastructure where I/O flexibility, hardware offload, and long-term supply stability are critical.
FAQ
What is the maximum operating frequency of the LS1043AXE7KQB?
The LS1043AXE7KQB operates at up to 1.6 GHz per ARM Cortex-A53 core under industrial temperature conditions (-40°C to +105°C). This frequency is guaranteed across voltage and thermal specifications defined in the LS1043AFS Rev 6 datasheet, and supports dynamic voltage and frequency scaling (DVFS) for power optimization in fanless designs.
Does the LS1043AXE7KQB support DDR4 memory?
Yes, the LS1043AXE7KQB integrates a 32-bit DDR3L/DDR4 memory controller supporting DDR4-2133 (PC4-17000) with ECC. It is the first QorIQ value-tier processor to support DDR4, enabling higher bandwidth and lower power versus DDR3L while maintaining pin compatibility with existing LPDDR3/DDR3L layouts.
How many Gigabit Ethernet interfaces does the LS1043AXE7KQB support?
The LS1043AXE7KQB supports up to six Gigabit Ethernet interfaces via its 4-lane 10 GHz SerDes, configured as SGMII, QSGMII, or RGMII. All ports include IEEE 1588 v2 hardware timestamping and are managed by the integrated Frame Manager for hardware-accelerated packet parsing and classification.
Is the LS1043AXE7KQB pin-compatible with the LS1023AXE7KQB?
No, the LS1043AXE7KQB and LS1023AXE7KQB are not pin-compatible. Although both use 621-ball FC-BGA packages, their ball maps differ significantly due to distinct SerDes lane allocations, DDR interface widths, and peripheral signal assignments-requiring separate PCB designs for each part.
What security features are integrated into the LS1043AXE7KQB?
The LS1043AXE7KQB integrates TrustZone-enabled secure boot, an SMMU for hardware-enforced memory isolation, and the SEC 5.4 security engine supporting AES-256/GCM, SHA-256/384, RSA-4096, ECC, and hardware-accelerated IPsec/SSL/TLS termination-enabling FIPS 140-2 Level 3 compliant implementations without external crypto chips.
LS1043AXE7KQB 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:
- -
LS1043AXE7KQB FAQ
1.How can I place an order for LS1043AXE7KQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043AXE7KQB 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 LS1043AXE7KQB reliable?
The price and inventory of LS1043AXE7KQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043AXE7KQB is usually 5 days.
3.What payment methods are accepted for LS1043AXE7KQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043AXE7KQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043AXE7KQB?
LS1043AXE7KQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043AXE7KQB 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 LS1043AXE7KQB?
For technical support, including LS1043AXE7KQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043AXE7KQB requirements.
6.How does Aetrix verify that LS1043AXE7KQB is sourced from the original manufacturer or authorized distributors?
All LS1043AXE7KQB 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 LS1043AXE7KQB meets industry standards.
7.What is the process for return or replacement of LS1043AXE7KQB?
All LS1043AXE7KQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043AXE7KQB, 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 LS1043AXE7KQB part is unused and in its original packaging.
Return procedure for LS1043AXE7KQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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