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NXP Semiconductors i.MX RT685 User Manual

NXP Semiconductors i.MX RT685
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i.MX RT685 Evaluation Board
NXP Semiconductors Document identifier: UM11159
User's Guide Rev. 0, March 20 2020
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NXP Semiconductors i.MX RT685 Specifications

General IconGeneral
Modeli.MX RT685
Core ProcessorArm Cortex-M33
Maximum CPU Clock Rate300 MHz
Clock Speed300 MHz
Maximum Clock Speed300 MHz
RAM Size1 MB
Operating Voltage1.71V to 3.6V
ManufacturerNXP
ProcessorCortex-M33
RAM1 MB SRAM
Operating Temperature Range-40°C to 105°C
PackageBGA, LQFP
Package TypeBGA, LQFP
Communication InterfacesUSB, SPI, I2C, UART, CAN, I2S
ConnectivityUSB
AudioI2S
Security FeaturesSecure boot, Cryptographic acceleration
SecuritySecure boot, Cryptographic acceleration
GraphicsLCD

Summary

Getting Started

Debug Session with On-board Link2 Probe

Instructions for initiating a debug session using the integrated Link2 debug probe.

MCUXpresso IDE Installation Steps

Steps to install and configure the MCUXpresso IDE for the evaluation board.

Keil and IAR Tools Installation

Steps to install and configure Keil and IAR tools for debugging.

External Debug Probe Setup

Instructions for connecting and using an external debug probe with the evaluation board.

On-board Link2 Debug Probe

Board Power Management

PMIC Configuration (PCA9420)

Overview of the Power Management IC (PMIC) and its output voltage configurations.

Board Serial Connections

On-board Peripherals

Audio Codec Details

Information on the Cirrus Logic WM8904 audio codec, its interfaces, and jumpers.

Audio Digital Amplifiers

Details on the on-board audio digital amplifiers, including power and interface connections.

ISP Boot Configuration

Explanation of ISP boot modes and how to configure them using boot pins.

Expansion Connectors

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