NXP Semiconductors T1042NSN7PQB

Overview

T1042NSN7PQB from NXP Semiconductors is a quad-core 64-bit communications processor based on the e5500 Power Architecture core, operating up to 1.5 GHz with 256 KB shared L3 cache, integrated Data Path Acceleration Architecture (DPAA), and five 1 GbE MACs - deployed in enterprise routers, industrial gateways, and ruggedized network appliances.

For engineers reviewing the T1042NSN7PQB datasheet, T1042NSN7PQB pinout, T1042NSN7PQB application, or T1042NSN7PQB equivalent, key selection criteria include DDR3L/4 memory controller speed (1600 MT/s), SerDes lane count (8× @ 5 Gb/s), DPAA throughput (13 Gb/s frame processing), SEC 5.4 crypto acceleration (5 Gb/s AES/3DES), and hardware virtualization support via hypervisor privilege level.

Technical Context

The T1042NSN7PQB implements four single-threaded e5500 cores with hybrid 32/64-bit ISA support, 32 KB I/D L1 cache per core, 256 KB backside L2 cache per core, and 256 KB shared platform L3 cache. Its CoreNet coherency fabric enables prioritized bandwidth allocation across CPU, accelerators, and peripherals.

DPAA integration includes Frame Manager (FMAN) for packet parsing/classification at 13 Gb/s, Queue Manager (QMAN) supporting up to 224 queues, Buffer Manager (BMAN) with 64 buffer pools, and Security Engine (SEC) 5.4 delivering 5 Gb/s symmetric encryption. The SerDes subsystem supports SGMII, QSGMII, PCIe 2.0, and SATA 2.0 across eight lanes.

Key Specifications

Pinout & Package

Package: FC-PBGA-1296 (37.5 mm × 37.5 mm, 1.0 mm pitch). Pin mapping validated per NXP document T1FAMILYFS REV 2 and T1042 Reference Manual.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T1040NSN7PQB and T1022NSN7PQB, the T1042NSN7PQB delivers optimal balance of data-plane throughput (via 4x DMA and quad-core DPAA scheduling), control-plane headroom (four independent e5500 cores), and interface scalability (five discrete GbE ports without switch arbitration overhead), making it ideal for multi-service edge routing where port independence and crypto offload are critical.

Availability

T1042NSN7PQB is available at Aetrix Electronics and suitable for enterprise routers, industrial gateways, and ruggedized network appliances requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for T1042NSN7PQB 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 networking markets.

The QorIQ T1 family - including T1042NSN7PQB - was designed specifically for mixed-control-and-data-plane networking applications requiring hardware-accelerated packet processing, cryptographic offload, and hardware virtualization in space- and power-constrained edge infrastructure.

FAQ

Does T1042NSN7PQB include an integrated Ethernet switch?

No, T1042NSN7PQB does not include an integrated Ethernet switch. Unlike the T1040NSN7PQB, which features an 8-port Gigabit Ethernet switch, the T1042NSN7PQB provides five independent 1 GbE MACs (DTSECs) for connection to external PHYs or switches. This architecture allows greater flexibility in topology design and avoids internal switch arbitration latency. The T1042NSN7PQB datasheet explicitly states "no integrated switch" in its feature comparison table.

What memory technologies does T1042NSN7PQB support?

T1042NSN7PQB supports DDR3L and DDR4 SDRAM via a 64-bit memory controller with ECC, operating at up to 1600 MT/s. It does not support LPDDR3 or DDR2. The controller implements on-die termination, programmable drive strength, and per-byte write leveling to meet JEDEC specifications. Memory configuration is managed through the PAMU (Peripheral Access Management Unit) and validated in NXP's T1042 Reference Design Board (RDB) schematics.

Is hardware virtualization supported on T1042NSN7PQB?

Yes, T1042NSN7PQB supports hardware-assisted virtualization via the e5500 core's hypervisor privilege level (HV mode). This enables KVM, Linux containers, and NXP's certified hypervisor to run concurrently with strict memory and I/O isolation. Virtualization extensions include nested page tables, TLB invalidation instructions, and secure debug disable - all documented in the T1042 Reference Manual Chapter 4.2.

What is the maximum SerDes lane configuration for T1042NSN7PQB?

T1042NSN7PQB integrates an 8-lane SerDes block configurable into multiple protocols: up to four PCIe 2.0 lanes (x1 or x4), two SATA 2.0 links, and five SGMII interfaces simultaneously. Lane assignment is fixed per package pinout and defined in the T1042 Hardware Design Guide. No reconfiguration is possible post-silicon; lane mapping must be finalized during schematic capture.

Does T1042NSN7PQB support IEEE 1588v2 Precision Time Protocol?

Yes, T1042NSN7PQB supports IEEE 1588v2 timestamping in all five 1 GbE MACs (DTSECs). Each DTSEC includes hardware timestamp registers, fine-resolution nanosecond counters, and PTP event message filtering. The feature is enabled via the FMAN's time-stamp assist unit and verified in NXP's Linux SDK PTP stack. Accuracy is ±50 ns under typical temperature and voltage conditions.