ESP32-WROOM-32D &
ESP32-WROOM-32U
Datasheet
Version 1.8
Espressif Systems
Copyright © 2019
www.espressif.com
About This Document
This document provides the specifications for the ESP32-WROOM-32D and ESP32-WROOM-32U modules.
Revision History
For revision history of this document, please refer to the
last page.
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Contents
1 Overview
2 Pin Definitions
2.1
2.2
2.3
Pin Layout
Pin Description
Strapping Pins
1
3
3
3
5
6
6
6
6
7
8
9
9
9
9
10
11
11
11
12
13
15
17
19
20
21
21
21
22
3 Functional Description
3.1
3.2
3.3
3.4
CPU and Internal Memory
External Flash and SRAM
Crystal Oscillators
RTC and Low-Power Management
4 Peripherals and Sensors
5 Electrical Characteristics
5.1
5.2
5.3
5.4
5.5
Absolute Maximum Ratings
Recommended Operating Conditions
DC Characteristics (3.3 V, 25 °C)
Wi-Fi Radio
BLE Radio
5.5.1 Receiver
5.5.2 Transmitter
5.6
Reflow Profile
6 Schematics
7 Peripheral Schematics
8 Physical Dimensions
9 Recommended PCB Land Pattern
10U.FL Connector Dimensions
11Learning Resources
11.1 Must-Read Documents
11.2 Must-Have Resources
Revision History
List of Tables
1
2
3
4
5
6
7
8
9
10
ESP32-WROOM-32D vs. ESP32-WROOM-32U
ESP32-WROOM-32D and ESP32-WROOM-32U Specifications
Pin Definitions
Strapping Pins
Absolute Maximum Ratings
Recommended Operating Conditions
DC Characteristics (3.3 V, 25 °C)
Wi-Fi Radio Characteristics
Receiver Characteristics – BLE
Transmitter Characteristics – BLE
1
2
3
5
9
9
9
10
11
11
List of Figures
1
2
3
4
5
6
7
8
9
10
ESP32-WROOM-32D Pin Layout (Top View)
Reflow Profile
ESP32-WROOM-32D Schematics
ESP32-WROOM-32U Schematics
ESP32-WROOM-32D & ESP32-WROOM-32U Peripheral Schematics
Physical Dimensions of ESP32-WROOM-32D
Physical Dimensions of ESP32-WROOM-32U
Recommended PCB Land Pattern of ESP32-WROOM-32D
Recommended PCB Land Pattern of ESP32-WROOM-32U
ESP32-WROOM-32U U.FL Dimensions
3
12
13
14
15
17
18
19
19
20
