NXP Semiconductors LS1021ASE7HNB

Overview

LS1021ASE7HNB from NXP Semiconductors is a dual-core ARM Cortex-A7 communications processor with ECC-protected L1/L2 caches, DDR3L/4 memory controller (up to 1600 MHz), and integrated QUICC Engine for industrial protocol support. It delivers 7,000+ CoreMarks® at ≤3 W typical system power and targets fanless networked edge devices requiring virtualization, security acceleration, and multi-protocol I/O.

For engineers reviewing the LS1021ASE7HNB datasheet, LS1021ASE7HNB pinout, LS1021ASE7HNB application, or LS1021ASE7HNB equivalent, key selection factors include its 1.2 GHz core frequency, IEEE 1588-capable triple Gigabit Ethernet, USB 3.0 + USB 2.0 dual controllers, four CAN interfaces, and ASRC/SPDIF audio subsystem - all in a 23×23 mm 621-pin FC-BGA package.

Technical Context

The LS1021ASE7HNB implements a cache-coherent dual Cortex-A7 core complex with 32 KB I/D L1 caches per core and shared 512 KB L2 cache, both protected by ECC. It integrates CCI-400 interconnect, SEC 5.5 security engine for IPsec/SSL offload, and QUICC Engine supporting HDLC/TDM/PROFIBUS.

Its 4-lane 6 GHz SerDes enables concurrent PCIe Gen2 ×2, SATA 3.0, and three 1 GbE ports with IEEE 1588 timestamping. The processor supports DDR4 memory (first in its class), QuadSPI, IFC NAND/NOR, SD/MMC, and rich serial I/O including 10 UARTs, 3 I²C, 2 SPI, and 4 CAN channels.

Key Specifications

Pinout & Package

LS1021ASE7HNB is housed in a 621-ball FC-BGA package (23 mm × 23 mm, 0.8 mm pitch) with thermal lid and exposed die paddle for enhanced heat dissipation in fanless applications. Pin functions are defined across multiple I/O banks supporting voltage-domain isolation and flexible signal routing.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar communications processor applications.

Compared with LS1021ATE7KQB, the LS1021ASE7HNB offers identical functionality but a narrower industrial temperature range; compared with i.MX 6SoloX, it provides superior industrial I/O density and hardware-accelerated networking - making it optimal for protocol-aggregation gateways.

Availability

LS1021ASE7HNB is available at Aetrix Electronics and suitable for enterprise access point routers, multi-protocol industrial gateways, and smart energy metering hubs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for LS1021ASE7HNB 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based processors and networking IP.

The LS1021A series belongs to NXP's QorIQ Layerscape family - engineered specifically for power-constrained, fanless network edge devices requiring hardware virtualization, industrial protocol offload, and cryptographic acceleration without performance compromise.

FAQ

What is the maximum DDR4 speed supported by LS1021ASE7HNB?

The LS1021ASE7HNB supports DDR4 memory at up to 1600 MT/s using its integrated DDR3L/4 controller. This speed is achievable with appropriate board layout, signal integrity tuning, and JEDEC-compliant DDR4 SDRAM components. The LS1021ASE7HNB datasheet specifies timing parameters for 1600 MT/s operation under industrial temperature conditions.

Does LS1021ASE7HNB include an integrated USB 3.0 PHY?

Yes, the LS1021ASE7HNB integrates a full USB 3.0 PHY supporting SuperSpeed (5 Gbps) operation on its USB3_DP/USB3_DM pins. It also includes a separate USB 2.0 controller with ULPI interface. No external PHY is required for USB 3.0 functionality, though proper PCB routing and ESD protection remain essential for LS1021ASE7HNB compliance.

How many CAN interfaces does LS1021ASE7HNB support, and are they fully independent?

The LS1021ASE7HNB supports four independent CAN 2.0B controllers (CAN0–CAN3), each with dedicated TX/RX pins and register sets. All four operate concurrently without resource contention, enabling simultaneous communication with multiple CAN networks - such as motor drives, sensors, and dashboard modules - within a single LS1021ASE7HNB-based design.

Is hardware virtualization supported on LS1021ASE7HNB, and what hypervisors are validated?

Yes, LS1021ASE7HNB includes ARM Virtualization Extensions (ARMv7-A) and cache-coherent interconnect (CCI-400) enabling Type-1 hypervisors. NXP officially validates and provides board support packages for Xen and KVM on LS1021ASE7HNB, with documented use cases for Linux/RTOS partitioning in industrial control and secure gateway applications.

What boot sources are configurable via BOOT_CFG pins on LS1021ASE7HNB?

The LS1021ASE7HNB BOOT_CFG[0:7] strapping pins configure eight boot modes: QuadSPI Flash, SD/MMC, NAND Flash (via IFC), NOR Flash (via IFC), PCIe endpoint, USB device, JTAG, and internal boot ROM fallback. Configuration is latched at POR and determines the primary boot image location and initialization sequence for LS1021ASE7HNB.