NXP Semiconductors SVF521R3K2CMK4

Overview

SVF521R3K2CMK4 from NXP Semiconductors is a dual-core heterogeneous application processor integrating an ARM Cortex-A5 core (400 MHz) and an ARM Cortex-M4 core (133 MHz), with 512 KB on-chip SRAM (ECC), dual 12-bit SAR ADCs (1 MS/s), and dual 10/100 Ethernet interfaces supporting IEEE 1588. It targets industrial HMI, gateway edge controllers, and secure connected devices requiring real-time responsiveness alongside application-level processing.

For engineers reviewing the SVF521R3K2CMK4 datasheet, SVF521R3K2CMK4 pinout, SVF521R3K2CMK4 application, or SVF521R3K2CMK4 equivalent, this page delivers verified technical context, validated pin functions, confirmed alternative options, and supply-ready procurement guidance - all grounded in NXP's VF5xxR Rev. 8 documentation and official part identification data.

Technical Context

The SVF521R3K2CMK4 implements a tightly coupled dual-core architecture where the Cortex-A5 handles Linux-capable application tasks and the Cortex-M4 executes deterministic real-time control loops, sharing memory via coherent interconnect. Its clock system includes independent PLLs for CPU, USB (480 MHz), Ethernet (250 MHz), audio (44.1/48 MHz), and video (up to 594 MHz), with low-jitter digital PLLs ensuring timing integrity across mixed-signal subsystems.

Security is enforced through ARM TrustZone, Secure Non-Volatile Storage (SNVS), hardware-based cryptographic acceleration (hashing, RNG), and TrustZone Watchdog (TZ WDOG). Memory subsystems include an 8/16-bit DRAM controller (LPDDR2/DDR3 up to 400 MHz), dual Quad SPI with XIP support, and FlexBus for legacy parallel peripherals - all accessible to both cores under coordinated power management.

Key Specifications

Pinout & Package

SVF521R3K2CMK4 is housed in a 364-ball MAPBGA package (17 mm × 17 mm, 0.8 mm pitch, 1.5 mm height), optimized for thermal dissipation and high-density routing in industrial control modules. Pin assignment follows NXP's VF5xxR pinout specification (Rev. 8, Section 12), with dedicated ball groups for DDR, Ethernet PHY, USB, and analog I/O.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core heterogeneous processor applications.

Compared with SVF521R3K2CMK4, SVF522R3K2CMK4 adds GPU and L2 cache at identical pinout and power envelope, while i.MX 6SoloX trades analog/industrial peripherals for broader multimedia support - making SVF521R3K2CMK4 optimal for cost-sensitive, safety-aware edge controllers needing integrated ADC/DAC and hardware time sync.

Availability

SVF521R3K2CMK4 is available at Aetrix Electronics and suitable for industrial HMI gateways, secure edge controllers, and automotive diagnostic tools requiring stable component supply, long-term lifecycle assurance, and automotive-grade qualification (AEC-Q100 Grade 3).

Supply support for SVF521R3K2CMK4 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 focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based processors and embedded security IP.

The SVF521R3K2CMK4 belongs to NXP's Vybrid VF5xxR family - designed specifically for cost-optimized, secure, real-time industrial edge devices that unify application processing, control, and connectivity without external co-processors or PMICs.

FAQ

What is the maximum operating frequency of the Cortex-A5 core in SVF521R3K2CMK4?

The SVF521R3K2CMK4 features an ARM Cortex-A5 core rated for up to 400 MHz operation under specified voltage (3.0–3.6 V) and temperature (-40 °C to +85 °C) conditions, as confirmed in NXP's VF5xxR datasheet Rev. 8, Section 5.1 and Table 2.1. This speed is achievable without overclocking and is supported by the on-die PLL and power regulation architecture of the SVF521R3K2CMK4.

Does SVF521R3K2CMK4 include hardware support for IEEE 1588 Precision Time Protocol?

Yes, SVF521R3K2CMK4 integrates dedicated IEEE 1588 timestamping logic within each of its dual Ethernet MAC subsystems, enabling hardware-accelerated packet timestamping with sub-microsecond accuracy. This capability is documented in NXP's VF5xxR datasheet Rev. 8, Section 9.3 and applies directly to the SVF521R3K2CMK4 variant per its functional assignment pinout and register mapping.

What analog-to-digital converter specifications does SVF521R3K2CMK4 provide?

The SVF521R3K2CMK4 includes two independent 12-bit successive approximation register (SAR) ADCs, each capable of 1 million samples per second (1 MS/s), with programmable sample-and-hold and hardware averaging. These ADCs are fully specified in NXP's VF5xxR datasheet Rev. 8, Section 9.1.1, and are accessible to both Cortex-A5 and Cortex-M4 cores via shared memory-mapped registers in the SVF521R3K2CMK4.

Is SVF521R3K2CMK4 qualified for automotive applications?

Yes, SVF521R3K2CMK4 carries automotive qualification per AEC-Q100 Grade 3 (-40 °C to +85 °C ambient), as indicated by the "S" qualification status in its part number format (per NXP VF5xxR datasheet Rev. 8, Section 2.2) and confirmed in ordering information tables. This makes the SVF521R3K2CMK4 suitable for under-hood and cabin-control applications where extended temperature reliability is required.

What package type and dimensions does SVF521R3K2CMK4 use?

SVF521R3K2CMK4 uses a 364-ball MAPBGA package with 17 mm × 17 mm body size, 0.8 mm ball pitch, and 1.5 mm maximum height (NXP VF5xxR datasheet Rev. 8, Section 2.3 and Table on p.6). The "MK" suffix in the part number explicitly denotes this mechanical configuration, and thermal and mechanical drawings are provided in Section 11 of the official SVF521R3K2CMK4 documentation.