NXP Semiconductors LS1048AXN7Q1A

Overview

LS1048AXN7Q1A from NXP is a 4-core ARM Cortex-A53 64-bit communications processor operating at up to 1.6 GHz, featuring DPAA2 data path acceleration, dual 10 GbE + eight 1 GbE interfaces, and integrated SEC crypto engine. It serves as the control and data plane processor in virtual CPE, wireless access point control, and industrial edge gateways.

For engineers reviewing the LS1048AXN7Q1A datasheet, LS1048AXN7Q1A pinout, LS1048AXN7Q1A application, or LS1048AXN7Q1A equivalent, key selection considerations include DDR4 memory controller support (64-bit, ECC-enabled), PCIe 3.0 x4/x2/3×1 configuration flexibility, AIOP offload capability for packet classification and encapsulation, and TrustZone-secured boot architecture.

Technical Context

The LS1048AXN7Q1A implements a hierarchical coherency fabric (CoreLink CCI-400) linking four Cortex-A53 cores-organized in two clusters each with 1 MB shared L2 cache-and the Advanced I/O Processor (AIOP). It integrates dual 4-lane 10 GHz SerDes blocks supporting SGMII/KX, QSGMII, XFI/KR, and RGMII PHY modes.

Networking functions are accelerated via hardware parsing, classification, policing, and vSwitch offload across two 1/10 GbE and eight 1 GbE MACs, with MACSec enabled on up to four 1 GbE ports. The Security Engine (SEC) delivers 10 Gbit/s crypto throughput for AES-GCM, SHA-2, RSA, and ECC operations under TrustZone isolation.

Key Specifications

Pinout & Package

LS1048AXN7Q1A is housed in a 23 mm × 23 mm, 1296-pin FC-BGA package (RoHS-compliant, Pb-free, 0.8 mm pitch). Pin assignment is defined in NXP document LS1048AFS, Rev. 4, Section 4.1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LS1043AXE7QQB and LS1088AXN7Q1A, the LS1048AXN7Q1A uniquely balances mid-tier core count (4), full DPAA2 AIOP functionality, and 10 GbE+1 GbE hybrid I/O-making it optimal for cost-constrained yet feature-complete intelligent edge platforms where LS1088A over-provisions cores and LS1043A under-provisions acceleration.

Availability

LS1048AXN7Q1A is available at Aetrix Electronics and suitable for virtual CPE deployment, wireless access point control systems, and industrial edge gateway designs requiring stable component supply across multi-year production cycles.

Supply support for LS1048AXN7Q1A 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and networking markets.

The LS1048AXN7Q1A belongs to NXP's QorIQ LS10x8A family-designed specifically for intelligent edge infrastructure requiring hardware-accelerated networking, virtualization support, and long-term industrial reliability.

FAQ

What is the maximum DDR4 memory speed supported by LS1048AXN7Q1A?

The LS1048AXN7Q1A supports a single 64-bit DDR4 SDRAM interface operating at up to 2.1 GT/s with on-die termination, ECC, and address/command bus parity. It requires JEDEC-compliant DDR4-2133 or DDR4-2400 modules with appropriate timing parameters as specified in NXP document LS1048AFS, Section 5.2. LS1048AXN7Q1A does not support LPDDR4 or DDR5.

Does LS1048AXN7Q1A support PCIe 3.0 bifurcation?

Yes, LS1048AXN7Q1A supports PCIe 3.0 bifurcation on its x4 controller: it can be configured as x4, x2+x2, or x1+x1+x1+x1 via strap settings and RCW configuration. The x2 and x1 controllers operate independently and cannot be combined. LS1048AXN7Q1A's PCIe root complex complies with PCI-SIG Base Spec 3.0 and supports SR-IOV for virtualized endpoint sharing.

Can LS1048AXN7Q1A boot directly from QuadSPI flash?

Yes, LS1048AXN7Q1A supports QuadSPI as a primary boot source. BOOT_CFG[7:0] straps must be set to select QuadSPI mode, and the device executes a ROM-based bootloader that loads the initial program image (RCW + IVT + boot image) from QSPI address 0x0. LS1048AXN7Q1A supports both single- and quad-line read commands and hardware-managed dummy cycle insertion per JEDEC JESD216B.

Is TrustZone implemented in hardware on LS1048AXN7Q1A?

Yes, LS1048AXN7Q1A includes ARM TrustZone technology implemented in silicon across the Cortex-A53 cores, CoreLink CCI-400 interconnect, and peripheral bridges. It enables secure world/non-secure world isolation for memory, peripherals, and interrupts. LS1048AXN7Q1A's ROM-based secure boot leverages TrustZone to enforce authenticated execution and prevent unauthorized firmware modification.

What Ethernet PHY interfaces are natively supported by LS1048AXN7Q1A?

LS1048AXN7Q1A natively supports SGMII, QSGMII, RGMII, KX, and XFI/KR through its dual 4-lane SerDes blocks. It does not integrate analog PHY circuitry; external PHY devices (e.g., VSC85xx, AR8031) are required for copper/fiber physical layer interfacing. The LS1048AXN7Q1A SerDes complies with IEEE 802.3bj and 802.3by specifications for 10 GbE backplane and optical links.