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ARTERY AT32F403A Series - User Manual

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AT32F403A/407 CRM Quick Start Guide
2022.06.10 1 Ver 2.0.4
AN0082
Application Note
AT32F403A/407 CRM Quick Start Guide
Introduction
This application note mainly introduces:
1. How to configure and modify the clock source code based on the BSP_V2.x.x provided by Artery.
2. How to use the accessary clock configuration tools to set clock path and parameters to generate
and use the corresponding clock code.
Applicable products:
Part number
AT32F403Axx
AT32F407xx

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Summary

Overview

Clock Tree

Code Configuration

Functions

Interface functions for hardware clock configuration in BSP are encapsulated and can be called.

Clock Configuration

Figure 2 shows the clock configuration process.

Example of Clock Configuration

Demonstrates setting up a 240 MHz system clock using HEXT/2 and PLL.

Clock Configuration Tools

Environment Requirement

Specifies the software requirements, primarily Windows 7 and above.

Installation

Instructions for installing the clock configuration tool by running the executable.

Function Overview

Introduces the basic operations of the graphical clock configuration tool.

Menu Bar

Describes the options available in the tool's menu bar for project management and settings.

Create Configuration Project

Steps to initiate a new clock configuration project within the tool.

Clock Configuration Interface

Explains the main blocks and elements of the graphical interface for clock setup.

Generate Code

Process of generating source files after configuring clock paths and frequencies.

Notes

Modification of HEXT

Guidance on modifying the HEXT clock frequency from the default 8 MHz for actual applications.

Usage of Tools

Key notes and best practices for using the New Clock Configuration tool effectively.

Application Case 1: Switch System Clock

Software Design

Configuration process and code for switching system clock between 64 MHz and 96 MHz.

Test Result

Describes expected outcomes when switching system clocks and using the USER button.

Application Case 2: Clock Fail Detector

Software Design

Configuration and code for enabling clock fail detector and NMI interrupt.

Test Result

Details behavior during clock failure and rescue operations using HICK.

Revision History

ARTERY AT32F403A Series Specifications

General IconGeneral
SeriesAT32F403A
CoreARM Cortex-M4
GPIO PinsUp to 80
Operating Temperature-40°C to +85°C
ADC12-bit, up to 16 channels
DAC12-bit
Communication InterfacesUSART, SPI, I2C, USB, CAN
PackageLQFP48, LQFP64

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