EmbeddedRelated.com
The 2026 Embedded Online Conference
FRDM-IMX91

FRDM-IMX91

NXP USA Inc.
i.MX 91 i.MX 91 ARM® Cortex®-A55 MPU Embedded Evaluation Board
Active36 in stock

Overview

The FRDM-IMX91 is an evaluation board designed for the i.MX 91 application processor, featuring an ARM Cortex-A55 core. It provides a flexible development platform for Linux-based edge computing applications that require high efficiency and modern connectivity. This Freedom development board offers a small footprint and standardized interfaces for rapid prototyping of industrial and IoT devices.

Why Choose This Part

The board leverages the i.MX 91 processor's balance of performance and low power consumption, making it ideal for fanless designs. It features the FRDM board form factor with Arduino headers for easy expansion and includes onboard debugging capabilities to simplify the development workflow.

Applications

Industrial HMI
Development of human-machine interfaces with hardware-accelerated 2D graphics and rich display support.
IoT Gateway
Acting as a secure, interconnected edge node for managing data traffic between local sensors and the cloud.
Voice-Enabled Appliances
Implementing voice control and audio processing for smart home or industrial control systems.
Edge AI Inference
Running lightweight machine learning models at the edge using the ARM Cortex-A55 architecture.

Key Specifications

Type MPU
Contents Board(s)
Mounting Type Fixed
Core Processor ARM Cortex-A55
Utilized IC / Part i.MX 91

Getting Started

Begin development by downloading the Linux Board Support Package (BSP) from the NXP website and using the MCUXpresso SDK for real-time components. Connect the board via USB to access the serial console and use the onboard debugger for flashing firmware and application code.

FRDM Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Type Stock
FRDM-IMX91 (this part) MPU 36
FRDM-TOUCH Sensor 1
Also available as: FRDM-RW612, FRDM-MCXW71, FRDM-IMX93

Also Consider

STM32MP1 Discovery Kit STMicroelectronics - An alternative ARM Cortex-A7 based MPU platform with a strong ecosystem for industrial Linux development.
The 2026 Embedded Online Conference