NXP Semiconductors MCIMX31CVMN4C

Overview

MCIMX31CVMN4C from NXP Semiconductors (formerly Freescale) is an ARM1136JF-S-based multimedia applications processor targeting automotive infotainment and industrial human-interface systems. It operates at 400 MHz, integrates 128 KB L2 cache, 16 KB instruction and data L1 caches, 32 KB ROM, and 16 KB SRAM, and supports DDR, NAND Flash, and USB 2.0 OTG interfaces.

For engineers reviewing the MCIMX31CVMN4C datasheet, MCIMX31CVMN4C pinout, MCIMX31CVMN4C application, or MCIMX31CVMN4C equivalent, key selection considerations include its –40°C to +85°C operating range, MAPBGA-473 19×19 mm 0.8 mm pitch package, integrated MPEG-4 hardware encoder (VGA@30 fps), Vector Floating Point (VFP11) co-processor, and dual-Vt 90 nm process for low-power operation in extended-temperature environments.

Technical Context

The MCIMX31CVMN4C implements the ARM1136JF-S core with Jazelle Java acceleration, eight-stage pipeline, branch prediction, and MMU support. It features a multi-level cache hierarchy (16 KB I/D L1 + 128 KB unified L2) and tightly coupled VFP11 for floating-point-intensive tasks like 3D graphics and audio processing.

Its system architecture includes dedicated multimedia accelerators: Image Processing Unit (IPU) for on-the-fly video scaling/rotation, MPEG-4 encoder for real-time VGA@30 fps compression, and SDMA controller for offloading bulk memory transfers. Power management relies on DVFS, clock gating, and power-domain isolation across CPU, GPU, and peripheral subsystems.

Key Specifications

Pinout & Package

MCIMX31CVMN4C uses a 473-ball MAPBGA package (Case 1931), 19 × 19 mm body size, 0.8 mm ball pitch, RoHS-compliant and lead-free. Thermal resistance is RθJB = 19°C/W (four-layer board), enabling passive cooling in sealed industrial enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCIMX31CVMN4C, i.MX353CJM8C offers higher CPU performance and GPU acceleration but removes dedicated MPEG-4 encode hardware, while MCIMX27CZK8C retains the same temperature grade and package footprint but sacrifices L2 cache, VFP, and encode resolution-making MCIMX31CVMN4C the optimal balance for VGA camera + floating-point + extended-temp applications.

Availability

MCIMX31CVMN4C is available at Aetrix Electronics and suitable for automotive infotainment head units, industrial HMI panels, portable medical displays, and smart energy meter interfaces requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for MCIMX31CVMN4C 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 (formerly Freescale Semiconductor) is a global leader in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based application processors and safety-certified silicon.

The i.MX31 product line was designed specifically for high-reliability, extended-temperature multimedia processing in automotive infotainment and industrial human-machine interfaces-emphasizing low-power operation, hardware-accelerated video, and integrated security features.

FAQ

What is the maximum operating frequency of the MCIMX31CVMN4C?

The MCIMX31CVMN4C operates at a maximum CPU frequency of 400 MHz using the ARM1136JF-S core. This frequency is guaranteed across the full –40°C to +85°C ambient temperature range when supplied with core voltages between 1.22 V and 1.47 V. The device supports dynamic voltage and frequency scaling (DVFS) to reduce power consumption during lighter workloads.

Does the MCIMX31CVMN4C include a graphics processing unit (GPU)?

Yes, the MCIMX31CVMN4C includes a dedicated Graphics Processing Unit (GPU) for hardware acceleration of 2D and 3D graphics algorithms. This GPU is not present in the MCIMX31LC variant. The GPU works in conjunction with the Vector Floating Point (VFP11) co-processor to accelerate OpenGL ES-like rendering tasks in automotive and industrial display applications.

What package type and ball count does the MCIMX31CVMN4C use?

The MCIMX31CVMN4C uses a 473-ball MAPBGA package (Case 1931), measuring 19 × 19 mm with 0.8 mm ball pitch. It is RoHS-compliant, lead-free, and rated MSL Level 3. Thermal resistance is specified as RθJB = 19°C/W on a four-layer board, supporting passive thermal management in sealed enclosures.

Can the MCIMX31CVMN4C perform real-time MPEG-4 video encoding?

Yes, the MCIMX31CVMN4C integrates a dedicated MPEG-4 hardware encoder capable of real-time encoding at VGA resolution (640×480) and 30 frames per second. This offloads the ARM11 core significantly-reducing CPU utilization by over 70% compared to software-based encoding-and enables low-latency camera preview in automotive and industrial vision applications.

What security features are implemented in the MCIMX31CVMN4C?

The MCIMX31CVMN4C includes multiple hardware security accelerators: RNGA (FIPS-140 compliant random number generator), SCC (Security Controller with Secure RAM), and RTIC (Run-Time Integrity Checker). It also supports tamper detection via GPIO1_6, which triggers irreversible security violations upon assertion-meeting requirements for secure boot and anti-tampering in medical and energy metering applications.