NXP i．MX 8M Nano应用处理器音频和图像开发方案

NXP公司的i.MX 8M Nano应用处理器是最新的音频和图像处理平台,具有高性能的处理而同时兼有最低的功耗.i.MX 8M Nano系列处理器具有四个Arm® Cortex®-A53核,工作速率高达1.4GHz.通用的Cortex®-M7处理器运行在高达600MHz,用作实时和低功耗处理.i.MX 8M Nano系列具有先进的安全模块用于安全引导,密码加速和支持DRM,广泛的音频接口包括I2S,AC 97, TDM和S/PDIF,大量的外设用在消费类/工业市场,包括USB和以太网.

Cortex®-A53 MP核平台具有四个对称的Cortex® -A53处理器,32KB L1指令缓存,32KB L1数据缓存,媒体处理引擎(MPE)和Arm® NEONTM技术,支持先进的单指令多数据架构.浮点单元(FPU)支持Arm® VFPv4-D16架构,支持64位Arm®v8-A架构以及512KB统一的L2缓存.Cortex®-M7核平台具有用于消费类电子的低功耗微处理器:低功耗待机模式,包括Weave的IoT特性,管理IR或无线遥控,机器学习(ML)推理应用.本文介绍了i.MX 8M Nano应用处理器主要特性和框图,以及i.MX 音频板MCIMX8M-AUD主要特性和电路图.

The i.MX 8M Nano application processor representsNXPs latest graphics and audio experience combiningstate-of-the-art media-specific features withhigh-performance processing while optimized for lowestpower consumption.

The i.MX 8M Nano family of processors featuresadvanced implementation of a quad Arm® Cortex®-A53 core, which operates at speeds of up to1.4 GHz. A general purpose Cortex®-M7 running up to600 MHz core processor is for real-time and low-powerprocessing.

The i.MX 8M Nano family of processors provides additionalcomputing resources and peripherals:

• Advanced security modules for secure boot,cipher acceleration and DRM support

• A wide range of audio interfaces, including I2S,AC 97, TDM, and S/PDIF

• Large set of peripherals that are commonly usedin consumer/industrial market, including USBand Ethernet

i.MX 8M Nano应用处理器主要特性:

图1.i.MX 8M Nano应用处理器框图

i.MX 音频板MCIMX8M-AUD

i.MX Audio Board (or MCIMX8M-AUD) is an excellent, configurable and functional audi...