NXP Semiconductors MCIMX31CVKN5DR2

Overview

MCIMX31CVKN5DR2 from NXP Semiconductors (formerly Freescale) is an ARM1136JF-S™-based multimedia applications processor targeting industrial and extended-temperature embedded systems. It operates at up to 532 MHz, integrates 128 KB L2 cache, 16 KB instruction and data L1 caches, a Vector Floating Point (VFP11) co-processor, and an MPEG-4 hardware encoder supporting VGA@30 fps. Its -40°C to +85°C operating range and MAPBGA-457 (14 × 14 mm, 0.5 mm pitch) package make it suitable for rugged portable media players and industrial HMI platforms.

For engineers reviewing the MCIMX31CVKN5DR2 datasheet, MCIMX31CVKN5DR2 pinout, MCIMX31CVKN5DR2 application, or MCIMX31CVKN5DR2 equivalent, key selection criteria include its dual-Vt 90 nm process enabling dynamic voltage/frequency scaling (DVFS), integrated SDMA controller for offloading bulk memory transfers, autonomous Image Processing Unit (IPU), and support for DDR, NAND Flash, and USB 2.0 OTG with host/device capability.

Technical Context

The MCIMX31CVKN5DR2 implements the ARM v6 architecture with Jazelle® Java acceleration, Thumb® instruction set, and SIMD DSP extensions. Its eight-stage pipeline includes branch prediction with return stack and low-interrupt latency, enabling deterministic real-time response in multimedia pipelines.

Memory subsystem integration includes a 64-bit AMBA L2 interface, 32 KB ROM for boot code, 16 KB SRAM for low-power audio streaming, and EMI supporting DDR, SDRAM, NOR/NAND Flash, and SRAM. Power management features include DPTC, clock gating, and independent power domains - all validated for operation across -40°C to +85°C.

Key Specifications

Pinout & Package

MCIMX31CVKN5DR2 uses a 14 × 14 mm MAPBGA-457 package (Case 1581) with 0.5 mm ball pitch and RoHS-compliant lead-free finish. Thermal resistance is RθJA = 30°C/W on a 4-layer board, enabling passive cooling in fanless industrial enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with i.MX353 CVK and i.MX27 ADS, MCIMX31CVKN5DR2 uniquely balances ARM11 efficiency, hardware MPEG-4 encode, and industrial temperature tolerance - making it the only option among the three qualified for extended-temperature video capture and playback in field-deployable equipment.

Availability

MCIMX31CVKN5DR2 is available at Aetrix Electronics and suitable for industrial HMI panels, portable media players, automotive infotainment head units, and ruggedized field service terminals requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for MCIMX31CVKN5DR2 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 formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The i.MX family - including MCIMX31CVKN5DR2 - was designed to deliver high-performance, low-power application processing for multimedia-rich embedded systems, with emphasis on industrial robustness, security, and heterogeneous peripheral integration.

FAQ

What is the maximum operating frequency of the MCIMX31CVKN5DR2 and under what conditions?

The MCIMX31CVKN5DR2 achieves a maximum core frequency of 532 MHz in overdrive mode, requiring core supply voltage between 1.47 V and 1.65 V. For non-overdrive operation, it runs up to 400 MHz at 1.22 V–1.38 V. Duty-cycle restrictions apply above 1.52 V: cumulative overdrive time must not exceed 10,950 hours (≈1.25 years) to maintain reliability - e.g., 6 hours/day average for 5-year equipment lifetime. MCIMX31CVKN5DR2 datasheets specify these limits in Table 8 and Errata ENGcm02610.

Does the MCIMX31CVKN5DR2 include a graphics processing unit (GPU)?

No, the MCIMX31CVKN5DR2 does not include a GPU. It belongs to the MCIMX31 series (not MCIMX31L), and the documentation explicitly states that the MCIMX31L variant excludes the GPU - implying the base MCIMX31 includes it. However, Table 2 and Section 1.1 clarify that GPU functionality is present only in MCIMX31 (non-L) variants. MCIMX31CVKN5DR2 is a standard MCIMX31 part, confirmed by its ordering code structure and inclusion in the main MCIMX31 feature list - thus it does integrate the GPU for 2D/3D graphics acceleration.

What memory types does the MCIMX31CVKN5DR2 support through its External Memory Interface (EMI)?

The MCIMX31CVKN5DR2 supports DDR SDRAM, SDRAM, NOR Flash, NAND Flash, and SRAM via its integrated EMI. This includes multi-master memory arbitration (M3IF), enhanced SDRAM controller (ESDCTL), NAND Flash controller (NFC), and wireless external interface module (WEIM). MCIMX31CVKN5DR2 enables boot from NAND or NOR, runtime execution from DDR, and persistent storage using NAND - all without external memory controllers. Support is detailed in Section 2.2 (EMI) and Table 2 of the MCIMX31 technical data sheet.

How does the Image Processing Unit (IPU) in the MCIMX31CVKN5DR2 reduce system-level power consumption?

The IPU in MCIMX31CVKN5DR2 performs autonomous video preprocessing - including rotation, blending, color-space conversion, and display timing generation - without involving the ARM CPU or external memory. This eliminates memory bandwidth usage and CPU cycles during viewfinder operation or overlay composition. For example, in a camera application, MCIMX31CVKN5DR2 can drive an LCD directly from sensor input via IPU, achieving "zero-CPU, zero-DRAM" preview mode - reducing active power by up to 35% compared to CPU-mediated pipelines.

What security features are implemented in the MCIMX31CVKN5DR2 for secure boot and runtime integrity?

MCIMX31CVKN5DR2 integrates RNGA (FIPS-140-compliant random number generator), SCC (Security Controller with Secure RAM), RTIC (Run-Time Integrity Checkers), and tamper-detect GPIO1_6. These enable cryptographic key storage, boot authentication, memory content verification, and physical intrusion detection. The ROM patch module allows field-upgradable boot code, while the IIM provides device identity. MCIMX31CVKN5DR2 leverages these to enforce secure boot chains and detect unauthorized runtime modifications - essential for industrial gateways and payment terminals.