Datasheet

2 Pin Definition
2.2 Pin Description
Table 2: Pin Description
Name No. Type Power Domain Function
LNA_IN 1 I/O — Low Noise Amplifier (RF LNA) input and output signal
VDD3P3 2 P
A
— Analog power supply
VDD3P3 3 P
A
— Analog power supply
CHIP_PU 4 I VDD3P3_RTC
High: on, enables the chip.
Low: off, the chip powers off.
Note: Do not leave the CHIP_PU pin floating.
GPIO0 5 I/O/T VDD3P3_RTC RTC_GPIO0, GPIO0
GPIO1 6 I/O/T VDD3P3_RTC RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0
GPIO2 7 I/O/T VDD3P3_RTC RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1
GPIO3 8 I/O/T VDD3P3_RTC RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2
GPIO4 9 I/O/T VDD3P3_RTC RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3
GPIO5 10 I/O/T VDD3P3_RTC RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
GPIO6 11 I/O/T VDD3P3_RTC RTC_GPIO6,
GPIO6
, TOUCH6, ADC1_CH5
GPIO7 12 I/O/T VDD3P3_RTC RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
GPIO8 13 I/O/T VDD3P3_RTC RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7, SUBSPICS1
GPIO9 14 I/O/T VDD3P3_RTC RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, SUBSPIHD, FSPIHD
GPIO10 15 I/O/T VDD3P3_RTC RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPIIO4, SUBSPICS0, FSPICS0
GPIO11 16 I/O/T VDD3P3_RTC RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPIIO5, SUBSPID, FSPID
GPIO12 17 I/O/T VDD3P3_RTC RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPIIO6, SUBSPICLK, FSPICLK
GPIO13 18 I/O/T VDD3P3_RTC RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIIO7, SUBSPIQ, FSPIQ
GPIO14 19 I/O/T VDD3P3_RTC RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIDQS, SUBSPIWP, FSPIWP
VDD3P3_RTC 20 P
A
— Analog power supply
XTAL_32K_P 21 I/O/T VDD3P3_RTC RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P
XTAL_32K_N 22 I/O/T VDD3P3_RTC RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N
GPIO17 23 I/O/T VDD3P3_RTC RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6
GPIO18 24 I/O/T VDD3P3_RTC RTC_GPIO18, GPIO18, U1RXD, ADC2_CH7, CLK_OUT3
Espressif Systems 13
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ESP32-S3 Series Datasheet v1.2