NXP Semiconductors LX2160SC72232B

Overview

LX2160SC72232B from NXP is a 16-core Arm Cortex-A72 network processor with 8 MB L3 cache, dual 72-bit DDR4 memory controllers (3.2 GT/s, ECC), and DPAA2 datapath acceleration delivering 50 Gbps crypto and 100 Gbps compression throughput. It integrates 24 SerDes lanes up to 25 Gbps, 18 Ethernet MACs supporting 10G/25G/40G/50G/100G, and PCIe Gen3 x8 + four x4 controllers for high-speed networking infrastructure.

For engineers reviewing the LX2160SC72232B datasheet, LX2160SC72232B pinout, LX2160SC72232B application, or LX2160SC72232B equivalent, key selection criteria include DDR4 ECC interface timing, SerDes lane configuration for CAUI-4/USXGMII, DPAA2 hardware queue management, and ARM MMU-500 virtualization support in telecom edge routers and secure SD-WAN appliances.

Technical Context

The LX2160SC72232B implements a cache-coherent interconnect fabric operating at up to 1500 MHz, with 8 MB on-die L3 cache and ECC-protected On-Chip Memory (OCM) mode. Its DPAA2 architecture includes WRIOP packet parsing, SEC cryptography engine, DCE decompression unit, QDMA, and 2 MB Packet Express Buffer for deterministic low-latency forwarding.

It supports IEEE 1588 timestamping across 18 Ethernet MACs with multi-rate PHY interfaces including SGMII, XFI, SFI, USXGMII, CAUI-4, and XLAUI4. The device uses ARM GIC-500 global interrupt controller and QorIQ Platform Trust Architecture 3.0 with 256 KB secure RAM for trusted boot and runtime attestation.

Key Specifications

Pinout & Package

The LX2160SC72232B is packaged in a 1517-ball FC-PBGA (35 mm × 35 mm, 0.8 mm pitch) with thermal lid. Ball map includes dedicated DDR4 command/address/data banks, 24 SerDes differential pairs grouped into three SerDes blocks (Serdes1–Serdes3), dual USB 3.0 PHY interfaces, eight I²C controllers, four UARTs, two CAN-FD modules, and JTAG/DFT debug pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LX2120A, the LX2160SC72232B adds four A72 cores and 2 MB L2 cache for higher control-plane concurrency; versus CN9675, it offers broader Ethernet PHY coverage and deterministic DPAA2 queue management essential for carrier-class SLAs.

Availability

LX2160SC72232B is available at Aetrix Electronics and suitable for 5G fronthaul gateways, secure SD-WAN edge appliances, and carrier-grade routing switches requiring stable component supply, long lifecycle assurance, and qualified thermal and signal integrity validation.

Supply support for LX2160SC72232B 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 networking markets, with deep expertise in Arm-based SoCs and trusted execution environments.

The LX2160SC72232B belongs to NXP's QorIQ LX series designed specifically for high-performance, secure, and virtualized networking infrastructure - targeting 5G, cloud edge, and industrial TSN applications where deterministic latency and hardware-enforced trust are mandatory.

FAQ

What is the maximum DDR4 data rate supported by the LX2160SC72232B?

The LX2160SC72232B supports DDR4 memory at up to 3.2 GT/s across two independent 72-bit channels (64-bit data + 8-bit ECC). This translates to a theoretical peak bandwidth of >51 GB/s with JEDEC-compliant timing parameters and on-die termination enabled. The LX2160SC72232B requires strict PCB layout adherence to DDR4 fly-by topology and Vref calibration for stable operation at rated speed.

Does the LX2160SC72232B support IEEE 1588 Precision Time Protocol in hardware?

Yes, the LX2160SC72232B includes full hardware timestamping support for IEEE 1588 v2 across all 18 integrated Ethernet MACs. Each MAC features dedicated timestamp registers, PTP event message classification, and hardware-assisted correction for ingress/egress path delay asymmetry - enabling sub-100 ns timestamp accuracy required for 5G fronthaul and TSN deployments.

How many PCIe Gen3 controllers does the LX2160SC72232B integrate?

The LX2160SC72232B integrates one PCIe Gen3 x8 controller and four PCIe Gen3 x4 controllers, totaling 24 usable lanes. These can be configured as five independent root complexes or combined (e.g., x8+x4+x4+x4+x4) to support multiple high-speed peripherals such as SmartNICs, NVMe SSDs, or FPGA accelerators in networking and storage platforms.

Is the LX2160SC72232B pin-compatible with other QorIQ LX series processors?

No, the LX2160SC72232B is not pin-compatible with LX2120A or LX2080A despite sharing the same 1517-ball FC-PBGA package footprint. Differences in SerDes lane mapping, DDR4 ball assignment, and power rail distribution require unique PCB layouts. Migration between variants necessitates board redesign and signal integrity revalidation.

What security features are implemented in the LX2160SC72232B for trusted boot?

The LX2160SC72232B implements QorIQ Platform Trust Architecture 3.0 with immutable ROM-based boot ROM, hardware-rooted key storage in 256 KB on-chip secure RAM, and cryptographic signature verification of signed firmware images using SHA-256 and RSA-3072. Secure boot flows enforce chain-of-trust from ROM through bootloader to OS kernel, preventing unauthorized code execution.