ESP8266EX

ESP8266EX Datasheet Version 6.9 Espressif Systems Copyright © 2023 www.espressif.com About This Guide This document introduces the speci cations of ESP8266EX. Release Notes Date 2015.12 2016.02 2016.04 2016.08 2016.11 2016.11 2016.11 2016.12 2017.04 2017.10 2017.11 2017.11 2018.02 Version V4.6 V4.7 V4.8 V4.9 V5.0 V5.1 V5.2 V5.3 V5.4 V5.5 V5.6 V5.7 V5.8 Release Notes Updated Chapter 3. Updated Section 3.6 and Section 4.1. Updated Chapter 1. Updated Chapter 1. Added Appendix Ⅱ “Learning Resources”. Changed the power consumption during Deep-sleep from 10 μA to 20 μA in Table 5-2. Changed the crystal frequency range from “26 MHz to 52 MHz” to “24 MHz to 52 MHz” in Section 3.3. Changed the minimum working voltage from 3.0 V to 2.5 V. Changed chip input and output impedance from 50 Ω to 39 + j6 Ω. Updated Chapter 3 regarding the range of clock amplitude to 0.8 V ~ 1.5 V. Updated VDDPST from 1.8 V ~ 3.3 V to 1.8 V ~ 3.6 V. 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. Updated Wi-Fi protocols in Section 1.1; Updated description of the integrated Tensilica processor in 3.1. if Date 2018.09 2018.11 2019.08 2019.08 2019.12 2020.04 2020.07 2020.10 2022.07 2022.10 2023.02 Version V5.9 V6.0 V6.1 V6.2 V6.3 V6.4 V6.5 V6.6 v6.7 v6.8 v6.9 Release Notes Update document cover; Added a note for Table 1-1; Updated Wi-Fi key features in Section 1.1; Updated description of the Wi-Fi...