NXP Semiconductors LS2044ASE711B

Overview

LS2044ASE711B from NXP Semiconductors is a quad-core Arm® Cortex®-A72 SoC with two 1 MB L2 cache clusters, 2.1 GHz max CPU frequency, dual 64-bit DDR4 memory controllers (2.1 GT/s), and DPAA2 hardware acceleration for networking workloads. It serves as the control and data-path processor in secure edge routers, industrial gateways, and ADAS domain controllers.

For engineers reviewing the LS2044ASE711B datasheet, LS2044ASE711B pinout, LS2044ASE711B application, or LS2044ASE711B equivalent, key selection factors include DDR4 ECC support, SerDes lane allocation (16 lanes up to 10.3125 GHz), PCIe 3.0 configurability (x8/x4/x2/x1), DPAA2 crypto throughput (20 Gbps SEC 5.2), and AEC-Q100 Grade 3 qualification for automotive use at 105°C junction temperature.

Technical Context

The LS2044ASE711B implements a hierarchical interconnect fabric linking four Cortex-A72 cores (two dual-core clusters), 1 MB platform cache with ECC, and DPAA2 accelerators including WRIOP for packet parsing, QBMan for queue/buffer management, SEC 5.2 for cryptography, PME 2.0 for RegEx matching, and DCE 1.0 for compression/decompression.

It integrates two DDR4 SDRAM controllers with interleaving and ECC, four PCIe 3.0 controllers (one supporting SR-IOV), eight 10G/16×1–2.5G Ethernet MACs, 16 SerDes lanes, dual SATA 3.0, dual USB 3.0 with PHY, and TrustZone®-enabled security architecture with service processor boot enforcement.

Key Specifications

Pinout & Package

LS2044ASE711B uses a 1292-ball FC-PBGA package (35 mm × 35 mm, 0.8 mm pitch) with thermal lid. Pin functions are organized across DDR interfaces (D1/D2), SerDes banks (SD1/SD2), peripheral buses (IFC, SPI, eSDHC), and power domains (G1VDD, SVDD, XVDD).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar multicore Arm SoC applications.

Compared with LS2084ASE711B, LS2044ASE711B delivers identical DPAA2 acceleration and SerDes flexibility at lower power and cost, while LS1046ASE711B sacrifices hardware offload capability and memory bandwidth to reduce footprint and price - making LS2044ASE711B the optimal balance for mid-tier automotive and industrial gateways.

Availability

LS2044ASE711B is available at Aetrix Electronics and suitable for industrial edge routers, vehicle domain controllers, and secure network appliances requiring stable component supply across extended product lifecycles.

Supply support for LS2044ASE711B 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 company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in Arm-based SoCs and edge processing.

The QorIQ LS2044A product line targets high-performance, secure edge computing in automotive ADAS, industrial gateways, and telecom infrastructure - delivering integrated control, data-path acceleration, and functional safety features in a single chip.

FAQ

What is the maximum operating frequency of the LS2044ASE711B CPU cores?

The LS2044ASE711B supports a maximum CPU frequency of 2.1 GHz for its four Arm Cortex-A72 cores. This frequency is achievable under standard industrial temperature conditions (–40°C to 105°C junction). In automotive AEC-Q100 Grade 3 mode, the maximum frequency is derated to 1.8 GHz to ensure reliability at 105°C Tj, as specified in the official NXP datasheet Rev. 4 (05/2021). The LS2044ASE711B dynamically scales voltage and frequency using integrated power management logic.

Does the LS2044ASE711B support DDR4 ECC and memory interleaving?

Yes, the LS2044ASE711B integrates two independent 64-bit DDR4 SDRAM controllers, both supporting full ECC protection on data and address/command buses, plus memory interleaving across channels. Each controller supports up to 64 GB capacity, enabling up to 128 GB total system memory with bit-error correction and improved bandwidth utilization. These features are confirmed in Section 3.8 of the LS2084A/LS2044A datasheet and apply identically to the LS2044ASE711B variant.

How many PCIe 3.0 controllers does the LS2044ASE711B include, and which support SR-IOV?

The LS2044ASE711B includes four PCIe 3.0 controllers: PCIe3 supports x8/x4/x2/x1 widths and SR-IOV; PCIe1, PCIe2, and PCIe4 support only x4/x2/x1 widths and do not implement SR-IOV. At platform clock speeds ≥533 MHz, all controllers operate at full Gen3 speed and width; below that threshold, PCIe1/2/4 are limited to x2 at Gen3, while PCIe3 remains x4-capable. This configuration is fixed in silicon and documented in the "High-speed peripheral interfaces" section of the datasheet.

Is the LS2044ASE711B pin-compatible with the LS2084ASE711B?

Yes, the LS2044ASE711B is pin-compatible with the LS2084ASE711B. Both devices use the identical 1292-ball FC-PBGA package with identical ball map, power domain assignments, and signal definitions. The LS2044A is a subset of the LS2084A with four cores instead of eight, but all I/O, memory, and peripheral interfaces retain identical pinout and electrical characteristics - enabling drop-in replacement in existing LS2084A designs where reduced core count is acceptable.

What DPAA2 acceleration engines are integrated into the LS2044ASE711B?

The LS2044ASE711B integrates the full DPAA2 (Datapath Acceleration Architecture, second generation), including WRIOP for packet parsing/classification/distribution, QBMan for hardware queue and buffer management, SEC 5.2 for cryptography (up to 20 Gbps), PME 2.0 for RegEx pattern matching (up to 10 Gbps), and DCE 1.0 for compression/decompression (up to 20 Gbps). All DPAA2 components are present and functionally identical to those in the LS2084A, as confirmed in the shared datasheet and block diagram.