Users Manual

1. Introduction to ESP32-S2-MINI-1 & ESP32-S2-MINI-1U
IO5
9
I/O/T
RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
IO6
10
I/O/T
RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5
IO7
11
I/O/T
RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
IO8
12
I/O/T
RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7
IO9
13
I/O/T
RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD
IO10
14
I/O/T
RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4
IO11
15
I/O/T
RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5
IO12
16
I/O/T
RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6
IO13
17
I/O/T
RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7
IO14
18
I/O/T
RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS
IO15
19
I/O/T
RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P
IO16
20
I/O/T
RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N
IO17
21
I/O/T
RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6, DAC_1
IO18
22
I/O/T
RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, DAC_2, CLK_OUT3
IO19
23
I/O/T
RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-
IO20
24
I/O/T
RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+
IO21
25
I/O/T
RTC_GPIO21, GPIO21
IO26
26
I/O/T
SPICS1, GPIO26
NC
27
-
NC
IO33
28
I/O/T
SPIIO4, GPIO33, FSPIHD
IO34
29
I/O/T
SPIIO5, GPIO34, FSPICS0
IO35
31
I/O/T
SPIIO6, GPIO35, FSPID
IO36
32
I/O/T
SPIIO7, GPIO36, FSPICLK
IO37
33
I/O/T
SPIDQS, GPIO37, FSPIQ
IO38
34
I/O/T
GPIO38, FSPIWP
IO39
35
I/O/T
MTCK, GPIO39, CLK_OUT3
IO40
36
I/O/T
MTDO, GPIO40, CLK_OUT2
IO41
37
I/O/T
MTDI, GPIO41, CLK_OUT1
IO42
38
I/O/T
MTMS, GPIO42
TXD0
39
I/O/T
U0TXD, GPIO43, CLK_OUT1
RXD0
40
I/O/T
U0RXD, GPIO44, CLK_OUT2
IO45
41
I/O/T
GPIO45
Pin
Name
No.
Type
Function Description
Espressif Systems
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Sep. 2020