Data Sheet
Table Of Contents
- Overview
- Wi-Fi Key Features
- Specifications
- Applications
- CPU, Memory, and Flash
- Clock
- Radio
- Wi-Fi
- Power Management
- General Purpose Input/Output Interface (GPIO)
- Secure Digital Input/Output Interface (SDIO)
- Serial Peripheral Interface (SPI/HSPI)
- I2C Interface
- I2S Interface
- Universal Asynchronous Receiver Transmitter (UART)
- Pulse-Width Modulation (PWM)
- IR Remote Control
- ADC (Analog-to-Digital Converter)
- Electrical Characteristics
- RF Power Consumption
- Wi-Fi Radio Characteristics
- Must-Read Documents
- Must-Have Resources
About This Guide
This document introduces the specifications of ESP8266EX.
Release Notes
Date
Version
Release Notes
2015.12
V4.6
Updated Chapter 3.
2016.02
V4.7
Updated Section 3.6 and Section 4.1.
2016.04
V4.8
Updated Chapter 1.
2016.08
V4.9
Updated Chapter 1.
2016.11
V5.0
Added Appendix Ⅱ “Learning Resources”.
2016.11
V5.1
Changed the power consumption during Deep-sleep from 10 μA to 20 μA
in Table 5-2.
2016.11
V5.2
Changed the crystal frequency range from “26 MHz to 52 MHz” to “24
MHz to 52 MHz” in Section 3.3.
2016.12
V5.3
Changed the minimum working voltage from 3.0 V to 2.5 V.
2017.04
V5.4
Changed chip input and output impedance from 50 Ω to 39 + j6 Ω.
2017.10
V5.5
Updated Chapter 3 regarding the range of clock amplitude to 0.8 V ~ 1.5
V.
2017.11
V5.6
Updated VDDPST from 1.8 V ~ 3.3 V to 1.8 V ~ 3.6 V.
2017.11
V5.7
• Corrected a typo in the description of SDIO_DATA_0 in Table 2-1;
•
Added the testing conditions for the data in Table 5-2.
2018.02
V5.8
•
Updated Wi-Fi protocols in Section 1.1;
•
Updated description of the integrated Tensilica processor in 3.1.