LS1043ASN7MQB
| Part Description |
ARM® Cortex®-A53 Microprocessor IC QorIQ® Layerscape 4 Core, 64-Bit 1.2GHz 621-FCPBGA (21x21) |
|---|---|
| Quantity | 96 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | LS1043A |
| Manufacturer | NXP USA Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 18 Weeks |
| Datasheet |
Specifications & Environmental
| Core Processor | ARM® Cortex®-A53 | Device Package | 621-FCPBGA (21x21) | ECCN | 5A002A1 | ||
|---|---|---|---|---|---|---|---|
| Ethernet | 1GbE (7) or 10GbE (1) & 1GbE (5) | HTS Code | 8542.31.0001 | Moisture Sensitivity Level | 3 (168 Hours) | ||
| Mounting Method | Surface Mount | Mounting Type | Surface Mount | Number of Cores/Bus Width | 4 Core, 64-Bit | ||
| Operating Temperature | 0°C ~ 105°C | Package / Case | 621-FBGA, FCBGA | RAM Controllers | DDR3L, DDR4 | ||
| REACH Compliance | REACH Unaffected | RoHS Compliance | ROHS3 Compliant | SATA | SATA 6Gbps (1) | ||
| Security Features | Secure Boot, TrustZone® | Speed | 1.2GHz | Supplier Device Package | 621-FCPBGA (21×21) | ||
| USB | USB 3.0 (3) + PHY |
Overview of LS1043ASN7MQB – IC MPU QORIQ 1.2GHZ 621FCPBGA
The LS1043ASN7MQB is an NXP QorIQ Layerscape communications microprocessor implementing a quad-core, 64‑bit ARM® Cortex®‑A53 CPU complex running at 1.2 GHz. It is targeted for embedded networking and industrial infrastructure where multi-core processing, flexible I/O and integration enable compact, fanless edge systems.
Designed for small-form-factor networking and industrial applications, the device pairs general-purpose CPU performance with QorIQ data-path acceleration and rich I/O to support branch routers, vCPE, IoT gateways, industrial control and security appliances.
Key Features
- Core Quad ARM® Cortex®‑A53 64‑bit cores at 1.2 GHz with a shared L2 cache to deliver multi-threaded application processing for embedded networking tasks.
- Memory Integrated memory controller support for DDR3L and DDR4, enabling flexible system memory choices for cost or performance optimization.
- Networking & SerDes Flexible Ethernet options with multiple 1GbE ports or mixed 10GbE/1GbE configurations and a multi‑protocol SerDes that supports high‑speed interfaces for packet I/O.
- Interfaces PCIe, USB 3.0 and SATA support including three USB 3.0 ports (with PHY) and a SATA 6 Gbps port to accommodate storage and peripheral connectivity.
- Data Path Acceleration QorIQ Data Path Acceleration Architecture (DPAA) and an integrated Frame Manager provide hardware packet parsing, classification and offload to reduce CPU overhead in networking workloads.
- Security & Virtualization Hardware secure boot and ARM TrustZone® along with SMMU/CoreLink components for hardware‑enforced memory access control for peripherals and accelerators used in virtualized environments.
- Package & Temperature 621‑FCPBGA (21 x 21 mm) surface‑mount package with an operating temperature range of 0 °C to 105 °C for industrial edge deployments.
- Compliance RoHS compliant material status for environmental and manufacturing alignment.
Typical Applications
- Integrated Services & Edge Routers Used in branch office routers and integrated service platforms where multi‑core processing and packet offload enable high throughput with low CPU load.
- vCPE and Edge Equipment Supports virtualized customer premises equipment and edge appliances by combining CPU performance with hardware memory protection and I/O flexibility.
- Multi‑protocol IoT Gateways Provides protocol handling and connectivity options for IoT gateway aggregation and local processing at the network edge.
- Industrial PLC and Control Suitable for compact industrial control systems that benefit from fanless designs and the processor’s integrated real‑time and networking features.
- Security Appliances Enables IPsec and inline security processing with the integrated security engine and packet frame manager to offload cryptographic and packet handling tasks.
Unique Advantages
- Highly integrated I/O Multiple Ethernet options, PCIe, USB 3.0 and SATA reduce external controller count and simplify board-level design.
- Packet offload capability Frame Manager and DPAA provide hardware packet parsing and classification to lower CPU overhead for networking workloads.
- Flexible memory support DDR3L and DDR4 controller support lets designers choose memory technologies that match performance and BOM goals.
- Security-ready platform Secure Boot and ARM TrustZone® provide foundational hardware security mechanisms for protected boot and trusted execution.
- Designed for compact, fanless systems The LS1043A architecture and integration enable small-form-factor, fanless deployments for edge and industrial applications.
- Industrial operating range Rated for 0 °C to 105 °C operation to meet environmental needs common in edge and industrial installations.
Why Choose LS1043ASN7MQB?
The LS1043ASN7MQB combines a quad‑core 64‑bit ARM Cortex‑A53 CPU complex with QorIQ data‑path acceleration and extensive I/O to deliver a compact, integrated solution for embedded networking and industrial edge systems. Its mix of secure boot, TrustZone, DPAA and flexible Ethernet/PCIe/USB/SATA connectivity makes it well suited for designs that require packet processing, virtualization support and hardware security.
This device is positioned for engineers building branch routers, vCPE, IoT gateways, industrial controllers and security appliances who need a balance of multicore application performance, offload capability and small‑form‑factor integration backed by NXP’s QorIQ Layerscape lineage.
Request a quote or submit an inquiry to evaluate LS1043ASN7MQB for your next embedded networking or industrial edge design. Our team can assist with availability, pricing and integration details.

Date Founded: 2006
Headquarters: Eindhoven, North Brabant, Netherlands
Employees: 38,000+
Revenue: $10.53 Billion
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