IMX91CEC datasheet(2/100 Pages) NXP

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1 i.MX 91 introduction

NXP’s New Secure, Energy-Efficient i.MX 91 Family Expands Linux® Capabilities for Thousands of Edge Applications.

The i.MX 91 applications processor features an Arm® Cortex®-A55 running at up to 1.4 GHz and support for modern LPDDR4

memory to enable platform longevity and reliability; dual Gigabit Ethernet for gateway or multi-network segment support; dual USB

ports; and the essential I/O for products in smart factory, smart home, smart office, medical device, metering, and cost-optimized

system-on-module platforms.

The i.MX 91 may be used in applications such as:

• EV Charging

• Matter-enabled IoT Platforms

• Smart Home, Office, and City

• Building Automation and Monitoring

• Industrial Monitoring and HMI

• Portable or small form-factor Medical and Healthcare devices

• Audio and Entertainment IoT

Table 1. Features

Subsystem

Features

Cortex®-A55 platform

One Cortex®-A55 processor operating at up to 1.4 GHz

• 32 KB L1 Instruction Cache

• 32 KB L1 Data Cache

• 256 KB L2 cache

• Media Processing Engine (MPE) with Arm® Neon™ technology supporting the

Advanced Single Instruction Multiple Data architecture

• Floating Point Unit (FPU) with support of the Arm® VFPv4-D16 architecture

Supports of 64-bit Arm® v8.2-A architecture

Parity/ECC protection on L1 cache, L2 cache, and TLB RAMs

Image Sensor Interface (ISI)

• Standard pixel formats commonly used in many camera input protocols

• Programmable resolutions up to 2K

• Image processing for:

— Supports one source of up to 2K horizontal resolution

— Supports pixel rate up to 200 Mpixel/s

• Image down scaling via decimation and bi-phase filtering

• Color space conversion

• Interlaced to progressive conversions

On-chip memory

Boot ROM (256 KB) for Cortex®-A55

On-chip RAM (384 KB)

Table continues on the next page...

NXP Semiconductors

IMX91CEC

i.MX 91 Application Processors Data Sheet for Commercial Products

IMX91CEC

All information provided in this document is subject to legal disclaimers.

Preliminary Data Sheet

Rev. 2 — 12 November 2024

Preliminary - Subject to Change Without Notice

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