Application Note

• GCC Build Environment
  • Introduction
  • Preparing GCC Environment
  • Installing Toolchain
  • Configuring SDK
  • Building Code
  • Setting Debugger
  • Downloading Image to Flash
  • Entering Debug Mode
  • Command Lists
  • GDB Debugger Basic Usage
• SDK Architecture
  • Introduction
  • project
  • component
  • tools
  • Critical Header Files
• GCC Makefile
  • Makefile Architecture
  • How to Build Library
  • How to Add Library
• SDK Examples
  • Introduction
  • Application Example
  • Peripheral Example
• Flash and Memory Layout
  • Flash Layout
  • Memory Layout
• MPU and Cache
  • MPU
  • Cache
• Virtual File System
  • Introduction
  • VFS Initialization
  • Usage of VFS
• MP Image
  • Introduction
  • How to Build MP Image
  • How to Combine Images
  • Boot Flow
  • How to Switch Image
• Mass Production
  • MP Image
  • MP Test
  • User data
• OTA Firmware Update
  • Introduction
  • Bootloader
  • Application
  • Building OTA Image
  • Updating from Local Server
  • OTA Demo
  • OTA Firmware Swap
  • User Configuration
• CHIP Enable
  • Introduction
  • Three Working Modes
  • How to Choose Work Mode
  • CHIP_EN Driver APIs
• Boot Process
  • Features
  • Boot Address
  • Pin Description
  • Boot Flow
  • Boot API
• User Configuration
  • Introduction
  • SoC Clock Switch
  • Flash Clock Switch
• Hardware Crypto Engine
  • Introduction
  • Usage
  • Demo Code
• One-time Programmable Controller (OTPC)
  • Introduction
  • OTP Programming APIs
  • OTP Programming Commands
  • Usage
• Power Saving
  • Power-Saving Mode
  • Wakeup Source
  • Entering Sleep Mode
  • Entering Deep-Sleep Mode
  • Power-Saving Configuration
  • Power-Saving Related APIs
  • Wi-Fi Power Saving
• Inter-Processor Communication (IPC)
  • Introduction
  • General Principle
  • How to Use IPC
  • Troubleshooting
• Direct Memory Access Controller (DMAC)
  • Introduction
  • GDMA Performance
  • Usage
• Pseudo-Static Random Access Memory (PSRAM)
  • Introduction
  • Throughput
  • Boot from PSRAM
  • PSRAM Cache “Write Back” Policy
  • TCEM Setting
• General Purpose Input/Output (GPIO)
  • Output
  • Input
  • Interrupt
• Pin Controller (Pinctrl)
  • Usage
• Pin Multiplexing Instructions
  • Introduction
  • Trap Pins
  • Wake Pins
  • SWD Pins
  • Function Multiplexing
• RTC_IO
  • Introduction
  • Usage
• Infrared Radiation (IR)
  • Introduction
  • IR Sending
  • IR Receiving
• Light Emitting Diode Controller (LEDC)
  • Introduction
  • LEDC Control Application
  • Operation Flow
• True Random Number Generator (TRNG)
  • Introduction
  • Features
  • Block Diagram
  • Usage
• Analog-to-Digital Converter (ADC)
  • Introduction
  • Usage
• Cap-Touch Controller (CTC)
  • Introduction
  • Usage
• Key-Scan
  • Introduction
  • Usage
• Audio
  • Introduction
  • Terminology
  • Data Format
  • Architecture
  • Configurations
  • Interfaces
• USB OTG
  • Introduction
  • Configuration
  • USB HAL APIs
  • USB Device APIs
  • Design Suggestions
• Wi-Fi
  • Wi-Fi CSI
  • Wi-Fi Bridge
  • Wi-Fi FullMAC
  • Wi-Fi Adaptivity Test