Espressif Systems ESP32-S3-WROOM-1 User Manual page 8

2 Pin Definitions
Name No. Type
GND 1
3V3 2
EN 3
IO4 4 I/O/T
IO5 5 I/O/T
IO6 6 I/O/T
IO7 7 I/O/T
IO15 8 I/O/T
IO16 9 I/O/T
IO17 10 I/O/T
IO18 11 I/O/T
IO8 12 I/O/T
IO19 13 I/O/T
IO20 14 I/O/T
IO3 15 I/O/T
IO46 16 I/O/T
IO9 17 I/O/T
IO10 18 I/O/T
IO11 19 I/O/T
IO12 20 I/O/T
IO13 21 I/O/T
IO14 22 I/O/T
IO21 23 I/O/T
IO47 24 I/O/T
IO48 25 I/O/T
IO45 26 I/O/T
IO0 27 I/O/T
b
IO35 28 I/O/T
b
IO36 29 I/O/T
b
IO37 30 I/O/T
IO38 31 I/O/T
IO39 32 I/O/T
IO40 33 I/O/T
IO41 34 I/O/T
Espressif Systems
Table 2: Pin Definitions
a
Function
P GND
P Power supply
High: on, enables the chip.
I Low: off, the chip powers off.
Note: Do not leave the EN pin floating.
RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3
RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5
RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P
RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N
RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6
RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, CLK_OUT3
RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7, SUBSPICS1
RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-
RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+
RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2
GPIO46
RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD, SUBSPIHD
RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4,
SUBSPICS0
RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5,
SUBSPID
RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6,
SUBSPICLK
RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7,
SUBSPIQ
RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS,
SUBSPIWP
RTC_GPIO21, GPIO21
SPICLK_P_DIFF,GPIO47, SUBSPICLK_P_DIFF
SPICLK_N_DIFF,GPIO48, SUBSPICLK_N_DIFF
GPIO45
RTC_GPIO0, GPIO0
SPIIO6, GPIO35, FSPID, SUBSPID
SPIIO7, GPIO36, FSPICLK, SUBSPICLK
SPIDQS, GPIO37, FSPIQ, SUBSPIQ
GPIO38, FSPIWP, SUBSPIWP
MTCK, GPIO39, CLK_OUT3, SUBSPICS1
MTDO, GPIO40, CLK_OUT2
MTDI, GPIO41, CLK_OUT1
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ESP32-S3-WROOM-1 & WROOM-1U Datasheet v0.6
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