Ai-Thinker ESP32-A1S - PIN Definition

ESP32-A1S Specification V2.3
Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved
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4. PIN definition
图
5
管脚示意图
The ESP32-A1S module has a total of 38 interfaces. As shown in the pin diagram, the
pin function definition table is the interface definition.
List 8 ESP32-A1S Pin function definition table
No.
Name
Function Description
1
GND
Grounded
2
3V3
Power supply, recommended 3.3V, greater than 500mA
3
SENSOR_
VN
GPI39, SENSOR_VN, ADC1_CH3, ADC_H, RTC_GPIO3
4
SENSOR_
VP
GPI36, SENSOR_VP, ADC_H, ADC1_CH0, RTC_GPIO0
5
IO34
GPI34, ADC1_CH6, RTC_GPIO4
6
IO0
GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11,
CLK_OUT1, EMAC_TX_CLK
7
IO14
GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS,
HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2
8
IO12
GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI,
HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3
9
IO13
GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK,
HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER
10
IO15
GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0,