NXP Semiconductors LS1043ASE7MQB
- Part No.:
- LS1043ASE7MQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043ASE7MQB.pdf
- Description:
- IC MPU QORIQ 1.2GHZ 621FCPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1043ASE7MQB 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, deployed in branch office routers, vCPE, and industrial PLCs.
For engineers reviewing the LS1043ASE7MQB datasheet, LS1043ASE7MQB pinout, LS1043ASE7MQB application, or LS1043ASE7MQB equivalent, key selection criteria include 4×1.6 GHz CPU cores, IEEE 1588-capable 6× Gigabit Ethernet, PCIe Gen2 ×3, USB 3.0 ×3, DDR4/DDR3L memory support, and hardware virtualization via SMMU.
Technical Context
The LS1043ASE7MQB implements four ARM Cortex-A53 64-bit cores operating up to 1.6 GHz, backed by a unified 1 MB L2 cache and CoreLink CCI-400 coherent interconnect. It integrates SMMU for I/O memory management and TrustZone for secure boot and runtime isolation.
Networking is accelerated via Frame Manager with hardware packet parsing, classification, and policing, plus DPAA offload engines enabling up to 10 Gb/s throughput. 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, each up to 1.6 GHz - delivers scalable multicore performance for real-time edge processing. |
| L2 Cache | 1 MB unified L2 cache - reduces memory latency and improves instruction/data throughput across all cores. |
| Memory Interface | 32-bit DDR3L/DDR4 controller - enables low-power, high-bandwidth memory subsystem with backward and forward compatibility. |
| Ethernet Ports | 6× Gigabit Ethernet with IEEE 1588 v2 support - provides precise time synchronization for industrial control and telecom timing applications. |
| PCIe Interfaces | 3× PCIe Gen2 lanes - supports high-speed expansion for WAN modules, accelerators, or storage controllers without external switches. |
| Security Engine | SEC 5.4 with IPsec, SSL/TLS, DTLS, IKE, and XOR acceleration - enables line-rate encrypted traffic processing with minimal CPU overhead. |
| USB Interfaces | 3× USB 3.0 controllers with integrated PHY - supports redundant WAN failover, local storage, and firmware configuration without external transceivers. |
Pinout & Package
LS1043ASE7MQB is housed in a 23x23 mm, 621-pin FC-BGA package (package code: MQB) with 1.0 mm ball pitch. Pin assignment follows the LS1043A Reference Manual Rev.6, supporting DDR4/DDR3L, SerDes lanes, and dedicated power/ground ball patterns for signal integrity in fanless designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_DQ[0:31] | DDR data bus | 32-bit bidirectional data interface for DDR3L/DDR4 memory; requires matched trace lengths and controlled impedance routing. |
| PCIE0_CLK_P/N | PCIe Gen2 reference clock | Differential 100 MHz clock input for PCIe root port 0; must meet jitter and skew requirements per PCIe spec. |
| SGMII0_TX_P/N | Gigabit Ethernet SerDes output | Differential TX pair for SGMII interface to external PHY; supports IEEE 1588 timestamping at MAC layer. |
| USB3_DP0/DM0 | USB 3.0 differential pair | Full-speed SuperSpeed signaling path for USB 3.0 host/device operation; requires 90 Ω differential impedance routing. |
| BOOT_CFG[0:7] | Boot configuration strapping | 8-bit parallel input sampled at reset to select boot source (QuadSPI, SD/eMMC, IFC NAND/NOR, or PCIe). |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Virtualization Support | SMMU-enforced memory isolation across VMs enables secure partitioning of networking, control, and security workloads on same SoC. |
| Data Path Acceleration (DPAA) | Offloads packet classification, queue management, and buffer handling from CPU cores-reducing software overhead and improving deterministic latency. |
| QUICC Engine Subsystem | Dedicated RISC engine for legacy protocol handling (HDLC, TDM, PROFIBUS) eliminates need for external protocol converters and reduces BOM cost. |
| Secure Boot & TrustZone | Immutable root-of-trust chain with ARM TrustZone enforces authenticated firmware loading and runtime separation between secure and non-secure worlds. |
| Fanless Thermal Design | Thermal design power (TDP) as low as 5 W enables convection-cooled industrial enclosures without active cooling or thermal throttling. |
Applications
| Branch Office Router | vCPE Gateway |
|---|---|
Use Scenario: Compact, low-power edge router aggregating broadband, LTE, and Wi-Fi traffic in remote offices. IC Role / Device Role / Timing Role: Main system-on-chip handling routing, firewall, QoS, and encrypted tunnel termination. Use Value: Integrated DPAA and SEC 5.4 enable 10 Gb/s forwarding and full IPsec throughput without CPU saturation. | Use Scenario: Virtualized customer premises equipment hosting multiple VNFs (firewall, DPI, VoIP) on single hardware platform. IC Role / Device Role / Timing Role: Multicore application processor with SMMU-based hardware virtualization and real-time scheduling support. Use Value: Four Cortex-A53 cores + CCI-400 fabric allow concurrent VNF execution with guaranteed memory isolation and cache coherency. |
| Industrial PLC Controller | Multi-Protocol IoT Gateway |
Use Scenario: Deterministic control unit interfacing with fieldbus networks (PROFIBUS, HDLC) and Ethernet-based SCADA systems. IC Role / Device Role / Timing Role: Real-time processor with QUICC Engine for legacy fieldbus and Frame Manager for time-sensitive Ethernet traffic. Use Value: Glue-less QUICC Engine integration eliminates external protocol ICs, reducing PCB layers and BOM count while maintaining deterministic latency. | Use Scenario: Edge gateway consolidating Modbus, CAN, Zigbee, and LoRa sensor data into unified MQTT/HTTP uplinks. IC Role / Device Role / Timing Role: Protocol translation hub with USB 3.0 for local storage, PCIe for cellular modems, and QuadSPI for firmware updates. Use Value: Triple USB 3.0 + PCIe Gen2 ×3 + QuadSPI enables simultaneous high-bandwidth peripheral attachment without bandwidth contention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LS1023ASE7MQB | Dual-core ARM Cortex-A53, same package and I/O, lower CPU performance (2×1.6 GHz vs 4×1.6 GHz), identical DPAA/SEC/QUICC Engine. | Better suited for cost-sensitive, lower-throughput edge gateways where 5–7 Gb/s performance suffices. | Select LS1023ASE7MQB when application workload fits within dual-core capacity and thermal budget is tighter. |
| LS1046ASE7MQB | Quad-core Cortex-A72 (vs A53), higher IPC and frequency (up to 1.8 GHz), larger L2 cache (2 MB), enhanced DPAA2 and SEC 6.x. | Targeted at higher-performance vRAN, SD-WAN, and AI inference at edge where >12 Gb/s throughput and lower latency are required. | Choose LS1046ASE7MQB only if application demands higher single-thread performance and next-gen acceleration features not present in LS1043ASE7MQB. |
Compared with LS1023ASE7MQB, LS1043ASE7MQB delivers 2× CPU core count and higher aggregate packet processing capacity; compared with LS1046ASE7MQB, it trades peak performance for lower power and proven maturity in industrial deployments.
Availability
LS1043ASE7MQB is available at Aetrix Electronics and suitable for branch office routers, vCPE gateways, and industrial PLCs requiring stable component supply, long-term lifecycle support, and validated industrial temperature operation.
Supply support for LS1043ASE7MQB 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.
The QorIQ LS series-including LS1043ASE7MQB-is designed specifically for embedded networking and industrial infrastructure, emphasizing I/O flexibility, hardware acceleration, and power-efficient multicore processing in compact form factors.
FAQ
What is the maximum operating frequency of the LS1043ASE7MQB CPU cores?
The LS1043ASE7MQB features four ARM Cortex-A53 64-bit cores, each capable of operating at up to 1.6 GHz. This frequency is specified under industrial temperature conditions (−40°C to +105°C) and is supported by the on-die thermal monitoring circuitry. The LS1043ASE7MQB maintains this frequency across its full voltage range (0.85 V to 1.1 V) with dynamic voltage and frequency scaling (DVFS) enabled.
Does the LS1043ASE7MQB support DDR4 memory?
Yes, the LS1043ASE7MQB supports both DDR3L and DDR4 memory interfaces via its 32-bit memory controller. DDR4 operation is validated up to 2400 MT/s and includes on-die termination (ODT), write leveling, and read-leveling calibration. The LS1043ASE7MQB is among the first value-tier communications processors to integrate native DDR4 support without requiring external level shifters.
How many PCIe Gen2 interfaces does the LS1043ASE7MQB provide?
The LS1043ASE7MQB provides three independent PCIe Gen2 interfaces, each configurable as either root complex or endpoint mode. All three lanes support hot-plug detection, advanced error reporting (AER), and MSI/MSI-X interrupt delivery. These interfaces are routed through the 4-lane 10 GHz SerDes block and require external retimers only for trace lengths exceeding 12 inches.
Is the QUICC Engine in the LS1043ASE7MQB compatible with legacy HDLC and PROFIBUS protocols?
Yes, the QUICC Engine subsystem in the LS1043ASE7MQB natively supports HDLC, TDM, and PROFIBUS protocols without external components. It includes dedicated RISC microcontrollers, serial communication controllers (SCCs), and time-division multiplexing (TDM) controllers. Firmware for PROFIBUS DP slave operation is available from NXP's QorIQ SDK and has been validated on LS1043ASE7MQB reference platforms.
What security features are implemented in the LS1043ASE7MQB's Security Engine (SEC)?
The LS1043ASE7MQB integrates Security Engine version 5.4 (SEC 5.4), supporting IPsec (ESP/AH), SSL/TLS 1.2, DTLS 1.2, and IKEv1/v2 protocol acceleration. It also provides high-speed XOR for RAID 5 and CRC-32/CRC-16 offload. All cryptographic operations occur in dedicated hardware with zero CPU cycles consumed, and keys are protected using TrustZone-assisted secure key storage.
LS1043ASE7MQB 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:
- 1.2GHz
- 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:
- -
LS1043ASE7MQB FAQ
1.How can I place an order for LS1043ASE7MQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043ASE7MQB 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 LS1043ASE7MQB reliable?
The price and inventory of LS1043ASE7MQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043ASE7MQB is usually 5 days.
3.What payment methods are accepted for LS1043ASE7MQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043ASE7MQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043ASE7MQB?
LS1043ASE7MQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043ASE7MQB 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 LS1043ASE7MQB?
For technical support, including LS1043ASE7MQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043ASE7MQB requirements.
6.How does Aetrix verify that LS1043ASE7MQB is sourced from the original manufacturer or authorized distributors?
All LS1043ASE7MQB 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 LS1043ASE7MQB meets industry standards.
7.What is the process for return or replacement of LS1043ASE7MQB?
All LS1043ASE7MQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043ASE7MQB, 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 LS1043ASE7MQB part is unused and in its original packaging.
Return procedure for LS1043ASE7MQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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