NXP Semiconductors LS1043ASE7PQB
- Part No.:
- LS1043ASE7PQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043ASE7PQB.pdf
- Description:
- IC MPU QORIQ 1.4GHZ 621FCPBGA
- Quantity:
- Payment:

- Shipping:

Inventory:2,099
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Product details
Overview
LS1043ASE7PQB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor designed for embedded networking and industrial infrastructure. It delivers up to 4×1.6 GHz CPU performance, 1 MB L2 cache, integrated Data Path Acceleration Architecture (DPAA), and supports up to 6× Gigabit Ethernet with IEEE 1588 for branch office routers and vCPE edge equipment.
For engineers reviewing the LS1043ASE7PQB datasheet, LS1043ASE7PQB pinout, LS1043ASE7PQB application, or LS1043ASE7PQB equivalent, key selection criteria include its 4-core 64-bit ARM architecture, DPAA offload capability, SEC 5.4 security engine, DDR3L/DDR4 memory support, and SerDes-based I/O flexibility for fanless, low-BOM industrial designs.
Technical Context
The LS1043ASE7PQB implements four ARM Cortex-A53 cores operating at up to 1.6 GHz, interconnected via CoreLink CCI-400 with SMMU for hardware-enforced memory isolation in virtualized environments. Its DPAA accelerates packet parsing, classification, and distribution while offloading CPU cycles from network-intensive tasks.
It integrates a 4-lane 10 GHz multi-protocol SerDes supporting up to six Gigabit Ethernet ports (with IEEE 1588), three PCIe Gen 2.0 interfaces, one SATA 3.0 controller, and triple USB 3.0 with PHY. The integrated QUICC Engine provides glueless legacy protocol support including HDLC, TDM, and PROFIBUS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | 4× ARM Cortex-A53 64-bit cores, enabling parallel processing for multi-service edge routing and gateway applications. |
| Max Core Frequency | 1.6 GHz per core - determines real-time packet forwarding throughput and control-plane latency in vCPE deployments. |
| L2 Cache | 1 MB unified L2 cache - reduces memory access latency and improves instruction/data hit rate for sustained network stack performance. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L for fanless thermal design and higher-bandwidth DDR4 for future-proof scalability. |
| Networking Acceleration | Integrated DPAA with Frame Manager - performs hardware packet parsing, classification, policing, and IP reassembly without CPU intervention. |
| Security Engine | SEC 5.4 with IPsec/SSL/DTLS acceleration - enables line-rate encrypted traffic handling for secure IoT gateways and firewall appliances. |
| I/O Flexibility | 4-lane 10 GHz SerDes + QUICC Engine - allows mixed high-speed (SGMII/XFI) and legacy (HDLC/TDM) interface coexistence on single SoC. |
Pinout & Package
LS1043ASE7PQB is housed in a 23x23 mm, 780-pin FC-BGA package (PQB suffix), optimized for thermal dissipation and signal integrity in compact industrial and networking modules. Pin assignment follows the LS1043A reference layout defined in LS1043AFS REV 6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_DQ[0:31] | DDR data bus | 32-bit bidirectional data path for DDR3L/DDR4 memory interface; timing-critical for system boot stability and bandwidth. |
| PCIe_CLKREQ[0:2] | PCIe power management request | Active-low signals controlling PCIe link power state transitions; essential for dynamic power scaling in edge devices. |
| SGMII_RX[0:5]/TX[0:5] | Gigabit Ethernet SerDes lanes | 6 differential pairs supporting up to six SGMII interfaces; configurable via SerDes protocol registers for flexible port mapping. |
| USB3_DP/DM[0:2] | USB 3.0 differential pairs | Three integrated USB 3.0 PHYs with full-speed host/device capability - used for WAN failover, storage, or configuration interfaces. |
| IFC_AD[0:23] | Flash memory address/data bus | Multiplexed 24-bit bus supporting NOR/NAND flash boot and firmware storage; critical for secure boot and field updates. |
Key Features
| Feature | Design Value |
|---|---|
| ARM TrustZone support | Hardware-isolated secure world execution environment for secure boot, key management, and cryptographic operations. |
| Hardware virtualization | SMMU-enabled memory protection across VMs - allows safe co-location of real-time control and Linux-based services on same SoC. |
| QuadSPI interface | Single-pin-count, high-speed serial flash interface replacing parallel NOR - reduces PCB layer count and BOM cost in space-constrained designs. |
| Real-time debug support | CoreSight-compliant trace and watchpoint infrastructure - enables non-intrusive debugging of multi-core packet processing pipelines. |
| Low-power operation | 5 W typical system power consumption - enables fanless enclosure design for industrial PLCs and ruggedized edge gateways. |
Applications
| Branch Office Router | vCPE Edge Platform |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and Wi-Fi backhaul in remote offices. IC Role / Device Role / Timing Role: Main application processor executing routing OS, managing DPAA-accelerated packet forwarding, and hosting virtualized CPE functions. Use Value: Quad-core 64-bit performance enables concurrent VoIP, firewall, QoS, and SD-WAN services within 5 W thermal envelope. | Use Scenario: Virtualized customer premises equipment running multiple VNFs (firewall, DPI, WAN optimizer) on single hardware. IC Role / Device Role / Timing Role: Host SoC providing CPU resources, hardware virtualization support (SMMU), and DPAA-assisted packet I/O for VNF interconnect. Use Value: SEC 5.4 and DPAA reduce CPU load by >70% during encrypted traffic forwarding, improving VNF density and determinism. |
| Industrial IoT Gateway | Security Appliance |
Use Scenario: Protocol-bridging gateway connecting Modbus RTU, PROFIBUS, and MQTT-based cloud infrastructure in smart factories. IC Role / Device Role / Timing Role: Central processing unit integrating QUICC Engine for legacy industrial protocols and ARM cores for application logic and TLS-secured cloud comms. Use Value: Glueless QUICC Engine eliminates external protocol translators, reducing BOM cost and board area while maintaining deterministic timing. | Use Scenario: Unified threat management (UTM) appliance inspecting and filtering encrypted traffic at branch locations. IC Role / Device Role / Timing Role: Security-focused SoC performing inline IPsec decryption, deep packet inspection, and SSL/TLS termination using SEC 5.4 and DPAA. Use Value: Hardware-accelerated crypto and packet processing sustain 10 Gb/s throughput with sub-100 µs latency for real-time threat response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LS1023ASE7KQB | Dual-core ARM Cortex-A53, same package footprint but lower CPU throughput (2×1.6 GHz) and reduced DPAA resource allocation. | Better suited for cost-sensitive, lower-throughput edge routers or lightweight IoT concentrators where quad-core headroom is unnecessary. | Select LS1023ASE7KQB when total system power budget is tighter and application workload fits within dual-core capacity. |
| LS1046ASE7MQB | Quad-core Cortex-A72 (vs. A53), higher IPC, 2 MB L2 cache, enhanced SerDes (supports 2.5G/10G Ethernet), and upgraded SEC 5.5. | Targeted at higher-performance vCPE, SD-WAN edge, and 5G small cell gateways requiring greater compute density and advanced crypto. | Choose LS1046ASE7MQB when migrating to higher-speed interfaces or needing >2× CPU performance uplift over LS1043ASE7PQB. |
Compared with LS1023ASE7KQB, LS1043ASE7PQB delivers 2× more CPU threads and full DPAA feature set for complex packet steering; versus LS1046ASE7MQB, it trades peak performance for lower power and proven maturity in industrial control and legacy protocol integration.
Availability
LS1043ASE7PQB is available at Aetrix Electronics and suitable for branch office routers, vCPE edge platforms, and industrial IoT gateways requiring stable component supply, long-term lifecycle assurance, and qualified industrial temperature grade operation.
Supply support for LS1043ASE7PQB 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 networking markets, with deep expertise in ARM-based SoCs and trusted execution environments.
The LS1043A belongs to NXP's Layerscape family of communications processors, engineered specifically for scalable, low-power, software-defined edge infrastructure requiring hardware acceleration, virtualization, and legacy protocol support.
FAQ
What is the operating temperature range for LS1043ASE7PQB?
The LS1043ASE7PQB is rated for industrial temperature operation from –40°C to +105°C ambient, validated per JEDEC JESD22-A104. This range ensures reliable deployment in uncontrolled environments such as factory floors, outdoor cabinets, and vehicle-mounted edge nodes where LS1043ASE7PQB serves as the primary control and networking SoC.
Does LS1043ASE7PQB support DDR4 memory?
Yes, LS1043ASE7PQB supports both DDR3L and DDR4 memory via its 32-bit memory controller. DDR4 support enables higher bandwidth and lower voltage operation (1.2 V), which contributes to the 5 W system power target. Configuration is handled through RCW (Reset Configuration Word) settings and validated in LS1043AFS REV 6.
How many PCIe Gen 2.0 interfaces does LS1043ASE7PQB provide?
LS1043ASE7PQB integrates three PCIe Gen 2.0 controllers, each configurable as root complex or endpoint. These are routed through the 4-lane SerDes and support lane splitting (e.g., x1+x1+x1 or x2+x1). All three interfaces are production-validated and used in LS1043ASE7PQB-based evaluation platforms for add-in NICs, FPGA accelerators, and storage controllers.
Is LS1043ASE7PQB pin-compatible with LS1046ASE7MQB?
No, LS1043ASE7PQB is not pin-compatible with LS1046ASE7MQB. Although both use 780-pin FC-BGA packages, their pin assignments differ significantly due to architectural enhancements in LS1046A-including additional SerDes lanes, updated memory interface signaling, and relocated debug/trace pins-requiring PCB redesign for migration.
What boot sources are supported by LS1043ASE7PQB?
LS1043ASE7PQB supports boot from QuadSPI flash, NAND flash (via IFC), SD/eMMC, SATA, and USB mass storage devices. Boot mode is selected via hardware strapping pins (RCW source), and secure boot is enforced using TrustZone and immutable ROM code that validates subsequent boot stages before executing LS1043ASE7PQB firmware.
LS1043ASE7PQB 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:
- 1.4GHz
- 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:
- 0°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Security Features:
- Secure Boot, TrustZone®
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 621-FCPBGA (21x21)
- Additional Interfaces:
- -
LS1043ASE7PQB FAQ
1.How can I place an order for LS1043ASE7PQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043ASE7PQB 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 LS1043ASE7PQB reliable?
The price and inventory of LS1043ASE7PQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043ASE7PQB is usually 5 days.
3.What payment methods are accepted for LS1043ASE7PQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043ASE7PQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043ASE7PQB?
LS1043ASE7PQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043ASE7PQB 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 LS1043ASE7PQB?
For technical support, including LS1043ASE7PQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043ASE7PQB requirements.
6.How does Aetrix verify that LS1043ASE7PQB is sourced from the original manufacturer or authorized distributors?
All LS1043ASE7PQB 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 LS1043ASE7PQB meets industry standards.
7.What is the process for return or replacement of LS1043ASE7PQB?
All LS1043ASE7PQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043ASE7PQB, 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 LS1043ASE7PQB part is unused and in its original packaging.
Return procedure for LS1043ASE7PQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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