ESP32-WROOM-32D

ESP32­WROOM­32D & ESP32­WROOM­32U DaNtaOshTeFeRtOERCONMEWM(ENDNREDSNEIDGD)NS www.espressif.com Version 2.3 Espressif Systems Copyright © 2022 About This Document This document provides the specifications for the ESP32-WROOM-32D and ESP32-WROOM-32U modules. Document Updates Please always refer to the latest version on https://www.espressif.com/en/support/download/documents. Revision History For revision history of this document, please refer to the last page. Documentation Change Notification Espressif provides email notifications to keep customers updated on changes to technical documentation. Please subscribe at www.espressif.com/en/subscribe. Note that you need to update your subscription to receive notifications of new products you are not currently subscribed to. Certification Download certificates for Espressif products from www.espressif.com/en/certificates. Not Recommended For New Designs (NRND) Contents 1 Overview 6 2 Pin Definitions 8 2.1 Pin Layout 8 2.2 Pin Description 8 2.3 Strapping Pins 10 3 Functional Description 12 3.1 CPU and Internal Memory 12 3.2 External Flash and SRAM 12 3.3 Crystal Oscillators 12 3.4 RTC and Low-Power Management 13 4 Peripherals and Sensors 14 5 Electrical Characteristics 15 5.1 Absolute Maximum Ratings 15 5.2 Recommended Operating Conditions 15 5.3 DC Characteristics (3.3 V, 25 °C) 15 5.4 Wi-Fi Radio 16 5.5 Bluetooth LE Radio 17 5.5.1 Receiver 17 5.5.2 Transmitter 17 5.6 Reflow Profile 18 6 S...