NXP Semiconductors MCIMX283DVM4CR2

Overview

MCIMX283DVM4CR2 from NXP Semiconductors (formerly Freescale) is an ARM926EJ-S-based applications processor operating at up to 454 MHz, featuring 128 KB on-chip SRAM, dual CAN interfaces, single 10/100 Ethernet MAC, and integrated power management unit (PMU) with Li-ion battery charging. It targets industrial HMI panels, portable medical devices, and smart energy meters requiring low-power, high-integration SoC solutions.

For engineers reviewing the MCIMX283DVM4CR2 datasheet, MCIMX283DVM4CR2 pinout, MCIMX283DVM4CR2 application, or MCIMX283DVM4CR2 equivalent, key selection considerations include its -20°C to +70°C commercial temperature grade, MAPBGA-289 package, 454 MHz CPU speed, dual CAN support, and absence of LCD interface and L2 switch-differentiating it from i.MX286/i.MX287 variants.

Technical Context

The MCIMX283DVM4CR2 implements a single ARM926EJ-S core with 16 KB instruction and 32 KB data cache, supported by CoreSight ETM9 for real-time debug. Its memory subsystem includes 128 KB mask-ROM, 128 KB SRAM, and external memory support for DDR2, LV-DDR2, and NAND Flash with up to 20-bit BCH ECC.

Connectivity is delivered via four SSPs (SDIO/MMC/SPI), five AUARTs (up to 3.25 Mbps), two I²C interfaces (400 kbps), two FlexCAN controllers (1 Mbps), one USB 2.0 OTG + one USB 2.0 host PHY, SPDIF transmitter, dual SAIF audio interfaces, and 16-channel LRADC with touchscreen support-enabling full-featured embedded control without external peripheral ICs.

Key Specifications

Pinout & Package

MCIMX283DVM4CR2 is housed in a plastic MAPBGA-289 package (14 × 14 mm, 0.8 mm pitch), with ground/power/signal ball assignments defined per Section 4.5 ("i.MX283 Ball Map") of IMX28CEC Rev. 3. Signal integrity is maintained through dedicated VDDA/VDDD/VDDIO domains and controlled-impedance routing recommendations for USB, Ethernet, and DDR interfaces.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCIMX283CVM4B, MCIMX283DVM4CR2 trades extended temperature tolerance for lower unit cost and qualification scope, while both share identical feature set and pin compatibility. Against MCIMX286DVM4B, MCIMX283DVM4CR2 removes LCD/SPDIF circuitry-reducing power, BOM count, and layout complexity where those peripherals are unnecessary.

Availability

MCIMX283DVM4CR2 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical devices, and smart energy meters requiring stable component supply across multi-year production cycles.

Supply support for MCIMX283DVM4CR2 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 applications, with heritage in Freescale's embedded processor portfolio.

The i.MX28 family-including MCIMX283DVM4CR2-is designed for low-power, high-integration embedded applications in industrial control, medical instrumentation, and consumer energy systems, emphasizing on-die power management and peripheral consolidation.

FAQ

What is the maximum operating frequency of the MCIMX283DVM4CR2 CPU core?

The MCIMX283DVM4CR2 integrates an ARM926EJ-S core rated for operation up to 454 MHz under specified voltage and temperature conditions. This frequency is achieved with VDDD ≥ 1.35 V and within the -20°C to +70°C ambient range. The core includes 16 KB instruction and 32 KB data cache, and supports JTAG debugging via the embedded trace macrocell (ETM9). Performance-critical applications must maintain stable core voltage and thermal management to sustain this speed.

Does the MCIMX283DVM4CR2 support external DDR2 memory, and what are the voltage requirements?

Yes, the MCIMX283DVM4CR2 supports external DDR2 memory at 1.8 V nominal, with a recommended operating range of 1.7 V to 1.9 V for VDDIO.EMI. It also supports LV-DDR2 (1.5 V) and mobile DDR (1.8 V), with maximum DDR clock frequency up to 205 MHz using voltage overdrive. The external memory interface (EMI) provides dedicated AHB/AXI bus connections and supports interleaved access patterns for optimal bandwidth utilization in real-time applications.

How does the power management unit (PMU) in the MCIMX283DVM4CR2 handle battery charging?

The MCIMX283DVM4CR2 PMU integrates a linear Li-ion battery charger capable of charging from either a 5 V source or USB VBUS. Charging current is programmable and automatically throttled when total 5 V input current exceeds system limits. The PMU monitors battery voltage (BATT), detects brownout conditions, and supports seamless transition between 5 V and battery power-critical for uninterrupted operation in portable medical and handheld scanner applications.

Can the MCIMX283DVM4CR2 be used in applications requiring IEEE 1588 precision time protocol?

Yes, the MCIMX283DVM4CR2 includes hardware timestamping support in its single 10/100 Ethernet MAC, fully compliant with IEEE Std 1588™. Timestamps are captured at the MAC layer with sub-microsecond resolution, enabling precise synchronization in industrial automation and media gateway applications. The Ethernet controller also provides 25 MHz/50 MHz clock outputs for external PHYs and supports RMII/MII physical layer interfaces.

What security features are implemented in hardware on the MCIMX283DVM4CR2?

The MCIMX283DVM4CR2 includes hardware-accelerated AES-128 decryption for secure boot, SHA-1 and SHA256 hashing engines, a read-only unique device ID for DRM, and High Assurance Boot (HAB4) for authenticated firmware loading. These features are implemented in the DCP (Data Co-Processor) and OCOTP (One-Time Programmable) modules, ensuring cryptographic operations execute independently of software and resist side-channel attacks-meeting requirements for medical device certification and utility metering standards.