NXP Semiconductors T2081NXE8MQB

Overview

T2081NXE8MQB from NXP Semiconductors is a 28 nm QorIQ communications processor featuring four dual-threaded 64-bit e6500 Power Architecture® cores, 2 MB shared L2 cache, and integrated Data Path Acceleration Architecture (DPAA) for packet processing up to 24 Gb/s. It operates at up to 1.8 GHz with hardware-assisted virtualization support and targets mid-range control-and-data-plane applications in enterprise switches, wireless infrastructure control cards, and industrial SBCs.

For engineers reviewing the T2081NXE8MQB datasheet, T2081NXE8MQB pinout, T2081NXE8MQB application, or T2081NXE8MQB equivalent, key selection criteria include its 780-pin 23×23 mm package, 1× PCIe Gen3 + 3× PCIe Gen2 interface count, absence of SATA and SRIO, and T1042 pin compatibility for board reuse in performance-tiered product families.

Technical Context

The T2081NXE8MQB implements a hierarchical CoreNet interconnect fabric supporting coherent and non-coherent transactions with bandwidth allocation, coupled with a 512 KB platform cache and DDR3/3L memory controller supporting up to 2133 MT/s with ECC. Its DPAA subsystem includes FMAN for packet parsing/classification, QMAN for multi-level queue scheduling across 224 queues, and BMAN for buffer pool management across 64 pools.

Hardware virtualization is enabled via hypervisor privilege level, logical-to-real address translation, PAMU v2 I/O MMU, and vMPIC/vDMA support. Security features include secure boot and tamper detection-though tamper detection is confirmed only on T2080 per official documentation and is not specified for T2081NXE8MQB.

Key Specifications

Pinout & Package

Package: 23 mm × 23 mm, 780-ball PBGA, 0.8 mm pitch, RoHS-compliant, lead-free, moisture-sensitive level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with T2081NXE8MQB, T2080NXE8MQB adds SATA, SRIO, and extra PCIe lanes at higher power and cost, while T1042NXE8MQB offers ISA compatibility and lower thermal envelope but lacks DPAA acceleration and e6500 instruction set enhancements.

Availability

T2081NXE8MQB is available at Aetrix Electronics and suitable for enterprise switching, wireless infrastructure control cards, and industrial SBCs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production programs.

Supply support for T2081NXE8MQB 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 communications markets, with leadership in Power Architecture® and Arm-based processors.

The T2081NXE8MQB belongs to NXP's QorIQ T Series communications processors, designed specifically for mid-range control-and-data-plane convergence in networking equipment where performance-per-watt, virtualization readiness, and I/O flexibility are critical.

FAQ

What is the maximum operating frequency of the T2081NXE8MQB?

The T2081NXE8MQB operates at up to 1.8 GHz across all four dual-threaded e6500 cores. This frequency is guaranteed under specified thermal and voltage conditions per the official NXP T2080/T2081 data sheet revision 2. The 1.8 GHz rating applies to sustained operation with appropriate cooling and 1.0 V core supply. Frequency scaling is supported via dynamic voltage and frequency scaling (DVFS) to balance performance and power in thermally constrained environments. T2081NXE8MQB maintains this rating while delivering 6.0 DMIPS/MHz per core.

Does the T2081NXE8MQB support hardware virtualization?

Yes, the T2081NXE8MQB supports hardware-assisted virtualization through multiple dedicated features: an extra hypervisor privilege level, hardware-accelerated logical-to-real address translation, vMPIC for virtualized interrupt handling, vDMA for user-level direct memory access, and PAMU v2 for I/O memory management unit support. These capabilities enable robust guest OS isolation and are validated with KVM and NXP's hypervisor. T2081NXE8MQB does not include tamper detection-a feature exclusive to T2080 per official documentation.

Is the T2081NXE8MQB pin-compatible with the T1042 processor?

Yes, the T2081NXE8MQB is explicitly documented as pin-compatible with the quad-core T1042 processor. Both use a 0.8 mm pitch BGA package-T2081NXE8MQB in 780-pin format and T1042 in 672-pin format-with overlapping signal assignments for power, ground, DDR, PCIe, and SGMII interfaces. This enables PCB reuse across performance tiers. However, T2081NXE8MQB introduces additional SerDes lanes and DPAA signals not present on T1042, requiring careful layout review for unused pins and power delivery.

What Ethernet interfaces does the T2081NXE8MQB support?

The T2081NXE8MQB supports up to two 10 Gb/s MACs with XFI/KR interfaces and up to seven 1 Gb/s MACs with SGMII. It does not support HiGig, XAUI, or 2.5 Gb/s SGMII-unlike the T2080. All Ethernet MACs are integrated into the FMAN and benefit from DPAA acceleration including classification, policing, and congestion management. The absence of SATA and SRIO on T2081NXE8MQB frees SerDes lanes for Ethernet expansion, making it optimized for Ethernet-dominant control-plane roles.

Does the T2081NXE8MQB include a built-in security engine?

Yes, the T2081NXE8MQB integrates the Security Engine (SEC) 5.2, supporting cryptographic acceleration for AES, DES, SHA, RSA, and ECC at up to 10 Gb/s. It also provides secure boot with hash-based firmware authentication and volatile key storage. However, tamper detection circuitry-present on T2080-is not implemented in T2081NXE8MQB per NXP's T2080FS REV 2 documentation. Secure debug is supported but can be permanently disabled via fusing, and alternate image revocation is available for field firmware updates.