B4420NSN7QQMD

The B4420NSN7QQMD is a heterogeneous multicore SoC in the NXP QorIQ Qonverge family combining Power Architecture and StarCore technologies. It integrates two 64‑bit PowerPC e6500 cores at up to 1.6 GHz alongside dual StarCore SC3900 FVP DSP subsystems for signal processing, targeting combined control, data‑path and application layer processing.

Designed for broadband wireless metro cell deployments and wireless base station markets (including LTE, LTE‑Advanced, TD‑SCDMA and WCDMA), the device emphasizes high integration, on‑chip acceleration and a rich set of high‑speed interfaces to simplify board design and accelerate time to market.

Key Features

• CPU and DSP  Two 64‑bit PowerPC e6500 cores running up to 1.6 GHz plus two fully programmable StarCore SC3900 FVP core subsystems (each core up to 1.2 GHz) for mixed control and signal‑processing workloads.
• Memory and Cache  DDR3/DDR3L controller supporting up to 1866 MT/s and a 4,864 KB internal memory space including per‑core 32 KB L1 I/D caches, 2,048 KB unified L2 for each cluster and a 512 KB shared L3 CoreNet platform cache.
• Hardware Acceleration & DPAA  MAPLE‑B3 acceleration for forward error correction, FFT/iFFT, MIMO/MMSE and related wireless algorithms; Data Path Acceleration Architecture with Frame Manager (FMan), Queue Manager (QMan) and Buffer Manager (BMan) for packet handling and QoS.
• Security Offload  On‑chip security engine (SEC 5.3) and supported algorithms including AES, DES, 3DES, HMAC, IPsec, Kasumi, MD5, SHA‑1/2, SNOW‑3D and ZUC for protocol acceleration and cryptographic offload.
• High‑Speed Interfaces  Eight SerDes lanes (supporting CPRI up to 9.8 GT/s), four Ethernet controllers (1/2.5 Gbps), PCI Express lanes and USB 2.0 plus I2C for system control and peripheral connectivity.
• System Peripherals  Integrated OCeaN DMA, multiple system peripherals and a broad set of timers (ninety 32‑bit timers) for deterministic system control and data movement.
• Package & Environmental  1020‑FCPBGA (33 mm × 33 mm) surface‑mount package, operating temperature range 0 °C to 105 °C, RoHS compliant.

Typical Applications

• Wireless Base Stations  Control and data‑path processing for LTE, LTE‑Advanced, TD‑SCDMA and WCDMA base stations, including algorithm acceleration and packet processing.
• Metro Cell Deployments  Broadband metro cell stations requiring integrated DSP, CPU and high‑speed I/O in a compact SoC to simplify board architecture.
• Embedded Networking Systems  Packet classification, QoS and security acceleration in network infrastructure where offload engines and high‑speed Ethernet are required.
• General‑Purpose Embedded Computing  Systems that need combined control, application layer processing and signal processing in a single, highly integrated device.

Unique Advantages

• Highly integrated heterogeneous architecture: Combines PowerPC e6500 cores and StarCore DSPs with on‑chip accelerators to reduce BOM and board complexity.
• On‑chip acceleration tailored for wireless: MAPLE‑B3 and MAPLE‑driven blocks accelerate FEC, FFT/iFFT, MIMO and other base station algorithms to offload the cores.
• Data path acceleration and QoS offload: FMan, QMan and BMan enable in‑line packet parsing, queue and buffer management to improve throughput and deterministic behavior.
• Comprehensive security acceleration: SEC 5.3 plus broad algorithm support enables protocol offload (IPsec, SSL) and cryptographic acceleration without taxing main cores.
• Flexible high‑speed I/O: Multiple SerDes lanes, Ethernet, PCIe and USB provide adaptable connectivity for radio front‑ends and network backhaul interfaces.
• Designed for real‑world deployments: Industrially relevant package (1020‑FCPBGA) and 0 °C to 105 °C operating range for metro cell and base station environments.

Why Choose B4420NSN7QQMD?

The B4420NSN7QQMD integrates multicore CPU and DSP processing with targeted hardware accelerators and a comprehensive data path architecture, making it suitable for designs that require combined control, data‑path and signal processing in a single SoC. Its on‑chip security engine, high‑speed interfaces and large cache/memory architecture support demanding wireless and networking workloads.

Engineers designing metro cell equipment, wireless base stations or embedded networking systems will find the B4420NSN7QQMD a compact, integrated platform that simplifies board design while providing acceleration, coherency and packet‑processing features derived from NXP's QorIQ Qonverge architecture.

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