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Ai-Thinker ESP32-A1S User Manual

Ai-Thinker ESP32-A1S
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ESP32-A1S Specification V2.3
Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved
Page 14 of 20
36
TXD0
GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2
37
RXD0
GPIO3, U0RXD, CLK_OUT2
38
GND
Grounded
List 9 Module startup mode description
System startup mode
PIN
Default
SPI boot mode
Download start
mode
GPIO 0
pull up
1
0
GPIO 2
drop down
Irrelevant
0
Note: Some pins have been internally pulled up, please refer to the schematic
5. Schematic diagram
5.1. Module schematic

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Ai-Thinker ESP32-A1S Specifications

General IconGeneral
BrandAi-Thinker
ModelESP32-A1S
CategoryWireless Router
LanguageEnglish