NXP Semiconductors MCIMX286CVM4BR2

Overview

MCIMX286CVM4BR2 from NXP Semiconductors is an industrial-grade ARM926EJ-S applications processor running at 454 MHz, featuring dual FlexCAN interfaces, single 10/100 Ethernet MAC, integrated PMU with Li-ion battery charging, and 128 KB on-chip SRAM - deployed in smart energy gateways and industrial HMI panels requiring deterministic real-time I/O and secure boot.

For engineers reviewing the MCIMX286CVM4BR2 datasheet, MCIMX286CVM4BR2 pinout, MCIMX286CVM4BR2 application, or MCIMX286CVM4BR2 equivalent, key selection considerations include its –40°C to +85°C operating range, MAPBGA-289 package with 0.8 mm pitch, dual CAN support, and absence of LCD interface compared to i.MX287 - critical for industrial control and metering designs where thermal robustness and automotive-grade serial bus integration are mandatory.

Technical Context

The MCIMX286CVM4BR2 implements a single ARM926EJ-S core with 16 KB instruction and 32 KB data cache, supported by 128 KB mask-ROM and 128 KB low-power SRAM. Its clock architecture uses a 24 MHz crystal input and PLL-based domain generation, with fractional dividers enabling precise peripheral clock tuning.

It integrates a triple-output DC-DC switching converter and linear regulators for autonomous power sequencing, plus hardware-accelerated security blocks including 128-bit AES decryption, SHA-1/SHA256 hashing, and High Assurance Boot (HAB4) - enabling secure firmware updates and DRM-compliant media processing in field-deployed devices.

Key Specifications

Pinout & Package

MCIMX286CVM4BR2 is housed in a plastic MAPBGA-289 package (14 × 14 mm, 0.8 mm pitch), with ball assignments defined in Section 4.6 ("i.MX286 Ball Map") of the IMX28CEC datasheet. Power, ground, and signal balls are grouped into functional zones including VDDA/VDDD/VDDIO supply domains, DDR/SDIO/NAND interface banks, and dedicated CAN/USB/UART routing rows.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCIMX283CVM4B, MCIMX286CVM4BR2 adds essential dual CAN for industrial fieldbus integration without increasing package size; versus MCIMX287CVM4B, it avoids unnecessary Ethernet switch and LCD hardware, reducing power consumption and simplifying layout for metering and control edge nodes.

Availability

MCIMX286CVM4BR2 is available at Aetrix Electronics and suitable for smart energy metering, industrial HMI panels, and portable medical devices requiring stable component supply across extended product lifecycles and harsh environmental conditions.

Supply support for MCIMX286CVM4BR2 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based applications processors and embedded security.

The i.MX28 family - including MCIMX286CVM4BR2 - was designed specifically for cost-sensitive, low-power industrial and consumer embedded systems requiring integrated power management, deterministic real-time I/O, and hardware-enforced security.

FAQ

What is the maximum operating junction temperature for MCIMX286CVM4BR2?

The MCIMX286CVM4BR2 has an industrial junction temperature range of –40°C to +105°C, as specified in Table 9 of the IMX28CEC datasheet. This allows sustained operation in thermally constrained enclosures such as sealed smart meters or fanless HMI cabinets, provided PCB thermal design meets the 18°C/W junction-to-board specification from Section 3.2.

Does MCIMX286CVM4BR2 support secure boot with cryptographic verification?

Yes, MCIMX286CVM4BR2 implements High Assurance Boot (HAB4) with hardware-accelerated 128-bit AES decryption and SHA256 hashing. It verifies signed firmware images stored in NAND or SPI flash before execution, ensuring only authenticated code runs - a requirement for UL 60730 and IEC 62443 compliance in safety-critical deployments.

Can MCIMX286CVM4BR2 interface directly with DDR2 memory without external level shifters?

Yes, MCIMX286CVM4BR2 supports 1.8 V DDR2 and LV-DDR2 (1.5 V) interfaces natively via its VDDIO.EMI supply domain. The device includes programmable drive strength and on-die termination, eliminating the need for external level shifters or termination resistors when interfacing with standard DDR2 SDRAM components.

What is the function of the PSWITCH pin on MCIMX286CVM4BR2?

The PSWITCH pin on MCIMX286CVM4BR2 is used for chip power-on recovery and firmware update entry. When pulled high through a 10 kΩ resistor to VDDIO, it enables normal boot; pulling it low initiates ROM-based firmware recovery mode. This pin must not be left floating and requires no external driver circuitry due to internal pull-up.

How many CAN interfaces does MCIMX286CVM4BR2 provide, and what protocol versions are supported?

MCIMX286CVM4BR2 provides two fully independent FlexCAN 2.0B interfaces, each compliant with ISO 11898-1 and supporting both standard (11-bit) and extended (29-bit) identifier formats. Both controllers operate at up to 1 Mbps and include hardware message buffering, priority arbitration, and error confinement - suitable for industrial drive control and automotive subsystem emulation.