LS1043ASN7QQB
| Part Description |
ARM® Cortex®-A53 Microprocessor IC QorIQ® Layerscape 4 Core, 64-Bit 1.6GHz 621-FCPBGA (21x21) |
|---|---|
| Quantity | 1,025 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 | 1.6GHz | Supplier Device Package | 621-FCPBGA (21×21) | ||
| USB | USB 3.0 (3) + PHY |
Overview of LS1043ASN7QQB – IC MPU QORIQ 1.6GHZ 621FCPBGA
The LS1043ASN7QQB is an NXP Semiconductors QorIQ Layerscape microprocessor featuring a quad-core, 64-bit ARM® Cortex®-A53 complex running at 1.6 GHz. Designed for embedded networking and industrial infrastructure, it targets small-form-factor communication and edge applications that require multi-protocol I/O integration and energy-efficient CPU performance.
This device combines a high-efficiency CPU complex with QorIQ Data Path Acceleration Architecture (DPAA) offload engines and integrated I/O to deliver multi-gigabit throughput while minimizing CPU overhead, making it suitable for branch routers, vCPE, IoT gateways, industrial control, and security appliances.
Key Features
- CPU Core
Quad ARM® Cortex®-A53 cores at 1.6 GHz with a large 1 MB L2 cache for improved CPU performance per watt. - Memory
Supports DDR3L and DDR4 memory controllers for flexible system memory configurations. - High-speed Interfaces
Four-lane, 10 GHz multi-protocol SerDes with support for multiple Gigabit Ethernet ports and a 10GbE option; datasheet references up to six Gigabit Ethernet ports with IEEE® 1588 support. - Peripheral I/O
Integrated interfaces include up to three PCIe® Gen2 ports, one SATA 3.0 (6 Gbps) port, and three USB 3.0 ports plus PHY. - Packet and Data Path Acceleration
QorIQ DPAA offload engines and Frame Manager provide hardware packet parsing, classification, policing and packet processing to reduce CPU load; combined with the SEC 5.4 security engine for accelerated cryptography and inline IPsec. - Security
Hardware security features include Secure Boot and ARM® TrustZone® for platform integrity and isolation. - System Architecture
Includes CoreLink CCI-400 coherent interconnect and SMMU (I/O MMU) to provide hardware-enforced memory access controls for accelerators and peripherals. - Package & Temperature
Supplied in a 621-FCPBGA (21 × 21 mm) surface-mount package with an operating temperature range of 0 °C to 105 °C. RoHS compliant. - Qualification
Device qualification listed as Consumer.
Typical Applications
- Branch Office Routers
Use the LS1043A’s quad-core Cortex-A53 performance and multi-port Ethernet options to handle routing and network services in compact branch equipment. - vCPE and Edge Equipment
Offload engines and DPAA enable multi-gigabit throughput with reduced CPU overhead, supporting virtualized customer premises equipment and edge service functions. - Multi-protocol IoT Gateways
Flexible I/O—including serial/HDLC via QUICC Engine support—makes the device suitable for gateways aggregating diverse sensor and protocol traffic. - Industrial PLC and Control
Small-form-factor design, wide temperature range, and integrated networking support help implement networked control and monitoring systems. - Security Appliances
Integrated SEC 5.4 engine and Frame Manager packet processing allow inline IPsec and hardware-accelerated security for network security devices.
Unique Advantages
- Highly integrated I/O: SerDes, multiple 1 GbE/10 GbE options, PCIe, SATA and USB 3.0 connectivity reduce external glue logic and simplify board design.
- Offload-enabled throughput: DPAA, Frame Manager and SEC 5.4 enable up to multi-gigabit packet processing with lower CPU utilization, supporting high-throughput networking functions.
- Balanced performance and efficiency: Quad Cortex-A53 cores at 1.6 GHz with a 1 MB L2 cache deliver strong processing capability while maintaining energy efficiency for edge and embedded systems.
- Memory flexibility: Support for DDR3L and DDR4 controllers allows designers to choose memory options that match cost and performance targets.
- Virtualization-friendly architecture: CoreLink CCI-400 and SMMU provide coherent interconnect and hardware I/O memory management suitable for systems using accelerators and virtual machines.
- Compact, fanless designs: Purpose-built for small-form-factor, fanless equipment per the device’s small package and low-power Cortex-A53 core choices.
Why Choose LS1043ASN7QQB?
The LS1043ASN7QQB positions itself as a compact, highly integrated communications processor that combines quad-core 64-bit ARM processing with QorIQ data path acceleration and rich I/O options. It is suited for designers building branch routers, edge appliances, IoT gateways, industrial controllers, and security devices that need multi-gigabit packet handling and hardware security features in a small package.
Backed by the QorIQ Layerscape architecture from NXP Semiconductors, the LS1043ASN7QQB offers a balance of processing performance, integrated networking functions and security capabilities that supports scalable embedded networking designs and streamlined BOMs.
Request a quote or submit an inquiry to receive pricing and availability for the LS1043ASN7QQB and to discuss how it fits your next embedded networking or industrial design.

Date Founded: 2006
Headquarters: Eindhoven, North Brabant, Netherlands
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