NXP Semiconductors T2081NXN7MQB

Overview

T2081NXN7MQB from NXP 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. It operates up to 1.8 GHz, supports DDR3/3L memory at 2133 MT/s, and delivers up to 2× core capability versus P2041/P3041 in control-plane networking applications such as enterprise switches and LTE base station control cards.

For engineers reviewing the T2081NXN7MQB datasheet, T2081NXN7MQB pinout, T2081NXN7MQB application, or T2081NXN7MQB equivalent, key selection criteria include its 780-pin 23×23 mm package, pin compatibility with T1042, reduced SerDes lanes (8 vs. 16), absence of SATA and SRIO, and support for up to two 10 Gb/s XFI MACs - critical for migration paths in space-constrained mid-range control plane designs.

Technical Context

The T2081NXN7MQB implements a hierarchical CoreNet interconnect fabric enabling coherent and non-coherent transactions between CPU cores, accelerators, and I/O endpoints with bandwidth allocation and prioritization. Its DPAA infrastructure includes FMAN for header parsing/classification, QMAN for multi-level queue scheduling across 224 queues, and BMAN for buffer pool management across 64 pools.

Hardware-assisted virtualization is implemented via hypervisor privilege level, logical-to-real address translation offload, PAMU v2 I/O MMU with paging, and vMPIC/vDMA support. The processor integrates SEC cryptography acceleration (up to 10 Gb/s), DCE compression/decompression (up to 17.5 Gb/s), and PME pattern matching (up to 10 Gb/s), all accessible under virtualized guest environments.

Key Specifications

Pinout & Package

23 mm × 23 mm, 780-ball fine-pitch BGA (0.8 mm pitch), RoHS-compliant, lead-free packaging optimized for thermal dissipation and signal integrity in dense networking PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T1042NXN7MQB, T2081NXN7MQB delivers 28% higher DMIPS/MHz and integrated DPAA for packet offload; compared with T2080NXN7MQB, it trades SerDes count and peripherals for footprint reduction and T1042 pin compatibility - making it optimal for upgrade paths where board reuse is mandatory.

Availability

T2081NXN7MQB is available at Aetrix Electronics and suitable for enterprise switching, wireless infrastructure control, and industrial secure routing requiring stable component supply across extended product lifecycles.

Supply support for T2081NXN7MQB 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 communications markets.

The QorIQ T series was designed specifically for mid-range communications infrastructure, balancing performance, power efficiency, and integration to replace legacy PowerPC-based control processors in routers, switches, and base stations.

FAQ

What is the maximum operating frequency of the T2081NXN7MQB?

The T2081NXN7MQB operates at a maximum frequency of 1.8 GHz across all four dual-threaded e6500 cores. This frequency is guaranteed under specified thermal and voltage conditions per the T2081FS Rev 2 datasheet. The processor dynamically adjusts core frequency using integrated power management states to maintain thermal envelope compliance during sustained workloads. T2081NXN7MQB achieves 6.0 DMIPS/MHz per core at this frequency, delivering consistent performance for real-time control-plane tasks.

Does the T2081NXN7MQB support hardware virtualization?

Yes, the T2081NXN7MQB includes comprehensive hardware-assisted virtualization features: an extra hypervisor privilege level, logical-to-real address translation offload, PAMU v2 I/O MMU with paging, vMPIC for virtualized interrupt handling, and vDMA for user-level DMA operations. These capabilities enable secure co-location of multiple guest OS instances - such as Linux and real-time OS - with strict resource isolation. T2081NXN7MQB supports KVM, NXP hypervisor, and Linux containers out-of-the-box.

What memory types and speeds does the T2081NXN7MQB support?

The T2081NXN7MQB integrates a 64-bit DDR3/3L SDRAM memory controller supporting data rates up to 2133 MT/s with 72-bit width including ECC. It supports standard DDR3 unbuffered DIMMs and discrete chips with configurable timing parameters. The controller implements on-die termination, write leveling, and read-leveling calibration to ensure signal integrity across varying PCB lengths and temperatures. T2081NXN7MQB does not support LPDDR3, DDR4, or GDDR memory types.

Is the T2081NXN7MQB pin-compatible with any other NXP processors?

Yes, the T2081NXN7MQB is explicitly pin-compatible with the quad-core T1042 processor, enabling direct board-level replacement in existing designs. This compatibility covers all signal, power, and ground ball assignments within the 780-pin BGA footprint. However, T2081NXN7MQB introduces new SerDes lane configurations and removes certain interfaces present on T1042 (e.g., some I2C and UART signals are repurposed), so firmware and device tree updates are required despite mechanical compatibility.

What cryptographic acceleration capabilities does the T2081NXN7MQB provide?

The T2081NXN7MQB integrates the Security Engine (SEC) 5.2, supporting AES-128/192/256, SHA-1/224/256/384/512, RSA up to 4096-bit, and elliptic curve cryptography. It delivers up to 10 Gb/s throughput for bulk encryption/decryption and digital signature verification. The SEC operates independently of CPU cores and interfaces directly with DPAA for inline IPsec/TLS processing. T2081NXN7MQB does not include tamper detection circuitry - that feature is exclusive to the T2080 variant.