Espressif ESP8266 Technical Reference page 3

This document provides introduction to the interfaces integrated on ESP8266. Functional
description, parameter configuration, function description, application demos and other
information is included.
The document is structured as below.
Chapter
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10 I2S Module Description
Chapter 11 UART Introduction
Chapter 12 PWM Interface
Chapter 13
Chapter 14 Sniffer Introduction
Appendix
Release Notes
Title
Overview
GPIO
SPI Compatibility Mode
User Guide
SPI Communication User
Guide
SPI Overlap & Display
Application Guide
SPI Wi-Fi Passthrough 1-
Interrupt Mode
SPI Wi-Fi Passthrough 2-
Interrupt Mode
HSPI Host Multi-device
API
I2C User Guide
IR Remote Control User
Guide
Appendix
Date Version
2016.05 V1.0
About This Guide
Overall introduction to the interfaces.
Description of GPIO functions, registers and parameter
configuration.
Description of functions, DEMO solution, ESP8266 software
instruction and STM32 software solution.
Description of SPI functions, master/slave protocol format and API
functions.
Description of SPI functions, hardware connection of SPI overlap
mode, API description and display screen console program demo.
Description of SPI functions, SPI slave protocol format, slave status
and line breakage and API functions.
Description of SPI functions, SPI slave protocol format, data flow
control line and API functions.
Description of HSPI functions, hardware connection and API
functions.
Description of I2C functions, master interface and demo.
Description of I2S functions, system configuration and API
functions.
Description of UART functions, hardware resources, parameter
configuration, interrupt configuration, example of interrupt handler
process and abandon serial output during booting.
Description of PWM functions PWM, detailed on pwm.h, and
custom channels.
Introduction on infrared transmission, parameter configuration and
functions of sample codes.
Introduction on Sniffer, application scenarios, phone App and IOT-
device firmware.
GPIO registers, SPI registers, UART registers, Timer registers.
First release.
Subject
Release notes