NXP Semiconductors MIMXRT1051CVL5B

Overview

MIMXRT1051CVL5B from NXP Semiconductors is an Arm Cortex-M7-based crossover MCU operating at 528 MHz, featuring 512 KB on-chip RAM (configurable as TCM or OCRAM), integrated DCDC/LDO power management, and industrial-grade operation from −40 °C to +105 °C. It delivers real-time performance for motor control, HMI, and home appliance systems with dual USB OTG, dual uSDHC, FlexCAN, and 127 GPIOs.

For engineers reviewing the MIMXRT1051CVL5B datasheet, MIMXRT1051CVL5B pinout, MIMXRT1051CVL5B application, or MIMXRT1051CVL5B equivalent, key selection considerations include its 10 × 10 mm 196-pin MAPBGA package, absence of LCD/CSI/PXP peripherals, support for SAI×3 and SPDIF×1 audio, and full security suite (HAB/DCP/BEE/TRNG/SNVS/SJC).

Technical Context

The MIMXRT1051CVL5B implements a single Arm Cortex-M7 core with 32 KB I-cache, 32 KB D-cache, VFPv5 FPU, and MPU supporting up to 16 protection regions. Its memory subsystem includes 96 KB boot ROM and 512 KB flexibly allocatable on-chip RAM, managed by FlexRAM controller.

It integrates SEMC for SDRAM/NAND/NOR/PSRAM, FlexSPI for Quad SPI flash, eDMA with 32 channels and 128-source multiplexing, and four FlexPWM modules (each with up to 8 channels, 16-bit resolution) optimized for motor control. Security is enforced via HAB boot validation, DCP (AES-128/SHA-256), BEE (on-the-fly QSPI decryption), and SNVS with secure RTC.

Key Specifications

Pinout & Package

196-pin MAPBGA, 10 × 10 mm, 0.65 mm pitch - RoHS-compliant plastic package with exposed thermal pad; pin assignments follow NXP's i.MX RT1050 reference layout (Document IMXRT1050IEC, Section 6.1).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MIMXRT1051CVL5B, MIMXRT1051CVJ5B trades compactness for thermal headroom, while MIMXRT1052CVL5B adds display/camera capability at higher cost-making MIMXRT1051CVL5B optimal for space-constrained, headless industrial controllers where LCD/CSI are unnecessary.

Availability

MIMXRT1051CVL5B is available at Aetrix Electronics and suitable for industrial HMI, motor control drives, and smart home appliances requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for MIMXRT1051CVL5B 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 markets, with over 40 years of microcontroller innovation.

The i.MX RT series targets high-performance, real-time embedded applications bridging the gap between traditional MCUs and application processors-designed specifically for deterministic control, rich peripheral integration, and robust security in industrial edge devices.

FAQ

What is the maximum operating frequency of the MIMXRT1051CVL5B?

The MIMXRT1051CVL5B operates at a maximum CPU frequency of 528 MHz. This speed is guaranteed across the full industrial temperature range (−40 °C to +105 °C) and is supported by the integrated PLL and voltage regulation. The MIMXRT1051CVL5B achieves this performance using the Arm Cortex-M7 core with tightly coupled memory and hardware-accelerated peripherals, enabling real-time deterministic execution without external cache.

Does the MIMXRT1051CVL5B include integrated power management?

Yes, the MIMXRT1051CVL5B integrates a DCDC converter and LDO regulators to generate core (1.0–1.25 V), analog (3.3 V), and I/O (3.3 V) supplies from a single 3.3 V input. This eliminates the need for external PMICs, simplifies power sequencing, and reduces bill-of-materials cost. The MIMXRT1051CVL5B's power management unit also includes temperature monitoring and programmable trip points for thermal safety.

Which security features are implemented in hardware on the MIMXRT1051CVL5B?

The MIMXRT1051CVL5B implements six hardware security blocks: High Assurance Boot (HAB) for cryptographic signature verification, Data Co-Processor (DCP) supporting AES-128 and SHA-256, Bus Encryption Engine (BEE) for on-the-fly QSPI decryption, True Random Number Generator (TRNG), Secure Non-Volatile Storage (SNVS) with secure RTC, and Secure JTAG Controller (SJC). These features are active and verified in the MIMXRT1051CVL5B silicon; no software-only alternatives replicate their tamper resistance or cryptographic acceleration.

Can the MIMXRT1051CVL5B support external SDRAM?

Yes, the MIMXRT1051CVL5B supports external SDRAM via its Smart External Memory Controller (SEMC), which handles 8/16-bit SDRAM up to 166 MHz (SDRAM-166). The SEMC supports burst reads/writes, auto-refresh, and configurable timing parameters. This capability is confirmed for the MIMXRT1051CVL5B in Table 1 and Section 4.5 of the IMXRT1050IEC datasheet, enabling expansion beyond its 512 KB on-chip RAM for large buffer or framebuffer applications.

What is the difference between MIMXRT1051CVL5B and MIMXRT1052CVL5B?

The MIMXRT1051CVL5B and MIMXRT1052CVL5B share identical CPU, memory, power, security, and communication peripherals-but the MIMXRT1052CVL5B adds LCDIF, CSI, and PXP graphics acceleration modules. The MIMXRT1051CVL5B omits these display/camera blocks, reducing cost and silicon area. Both use the same 10 × 10 mm 196-pin MAPBGA package and operate at 528 MHz across −40 °C to +105 °C.