Revision History
Revision History
Date
Version
Release notes
• Changed Table Ordering Information to Table ESP32-S2-SOLO (ANT) Series
Comparison and Table ESP32-S2-SOLO-U (CONN) Series Comparison
• Added links to some reference documents in Section 1 Module Overview
• Updated EPAD descriptions in Section 6 Peripheral Schematics
• Added descriptions in Section 7.2 Recommended PCB Land Pattern
• Other formatting updates
2023-05-25
v1.6
• Added Section 8.4 Ultrasonic Vibration
2022-09-23
2022-03-01
v1.5
v1.4
• Removed NRND watermark
• Added module pictures on the title page
• Added NRND watermark
• Updated Section ”Learning Resources” and renamed to ”Related Docu-
mentation and Resources”
• Added a note with a link and QR code to the latest version of the document
• Updated Table 9 Current Consumption in Modem-sleep Mode and Table 10
Current Consumption in Low-Power Modes
• Added module variants embedded with the ESP32-S2R2 chip
• Added module description to the title page
• Updated Chapter 1 Module Overview
• Updated Pin Layout (Top View), in which IO3, IO46 and IO45 are newly
added
2021-06-21
v1.3
• Updated Figure 9 ESP32-S2-SOLO Recommended PCB Land Pattern
• Added description in Section 7.3 Dimensions of External Antenna Connector
• Replaced ”chip family” with ”chip series” following Espressif’s taxonomy
• Added TWAI to Chapter 1 Module Overview
• Updated Table 8 Current Consumption Depending on RF Modes
• Updated the capacitance value of RC delay circuit to 1 µF in Chapter 6
Peripheral Schematics
2020-12-17
v1.2
• Updated note in Section 8.3.1 Reflow Profile
2020-07-31
2020-07-22
2020-05-19
v1.1
v1.0
v0.1
Updated notes in Table Ordering Information
Official release
Preliminary release
Espressif Systems
30
ESP32-S2-SOLO & SOLO-U Datasheet v1.6
(Chip Revision v0.0)
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