ESP32-S3-MINI-1U official Espressif surface-mount wireless module with U.FL/IPEX connector for external antenna. 2.4 GHz Wi-Fi 4 and Bluetooth LE 5 connectivity from the ESP32-S3 family. variants include 8 MB flash and optional PSRAM configurations.
Pins 1–40
Pins 41–63
EN
GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P
GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N
MTCK/GPIO39/CLK_OUT3/SUBSPICS1
MTDO/GPIO40/CLK_OUT2
MTDI/GPIO41/CLK_OUT1
MTMS/GPIO42
GPIO26
SPIIO4/GPIO33/FSPIHD/SUBSPIHD
SPIIO5/GPIO34/FSPICS0/SUBSPICS0
SPIIO6/GPIO35/FSPID/SUBSPID
SPIIO7/GPIO36/FSPICLK/SUBSPICLK
SPIDQS/GPIO37/FSPIQ/SUBSPIQ
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
U0TXD/GPIO43/CLK_OUT1
U0RXD/GPIO44/CLK_OUT2
GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+
GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D-
GPIO0/BOOT
GPIO1/TOUCH1/ADC1_CH0
GPIO2/TOUCH2/ADC1_CH1
GPIO3/TOUCH3/ADC1_CH2
GPIO4/TOUCH4/ADC1_CH3
GPIO5/TOUCH5/ADC1_CH4
GPIO6/TOUCH6/ADC1_CH5
GPIO7/TOUCH7/ADC1_CH6
GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1
GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD
GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID
GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ
GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP
GPIO17/U1TXD/ADC2_CH6
GPIO18/U1RXD/ADC2_CH7/CLK_OUT3
GPIO21
GPIO38/FSPIWP/SUBSPIWP
GPIO45
GPIO46
GPIO47/SPICLK_P/SUBSPICLK_P_DIFF
GPIO48/SPICLK_N/SUBSPICLK_N_DIFF
| Pin | Position | Type | Function |
|---|---|---|---|
| EN | 45 | Control | EN |
| GPIO15U0RTSADC2_CH4XTAL_32K_P | 19 | GPIO, Signal | GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P |
| GPIO16U0CTSADC2_CH5XTAL_32K_N | 20 | GPIO, Signal | GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N |
| GPIO39MTCKCLK_OUT3SUBSPICS1 | 35 | GPIO, Signal | MTCK/GPIO39/CLK_OUT3/SUBSPICS1 |
| GPIO40MTDOCLK_OUT2 | 36 | GPIO, Signal | MTDO/GPIO40/CLK_OUT2 |
| GPIO41MTDICLK_OUT1 | 37 | GPIO, Signal | MTDI/GPIO41/CLK_OUT1 |
| GPIO42MTMS | 38 | GPIO, Signal | MTMS/GPIO42 |
| GPIO26 | 26 | GPIO | GPIO26 |
| GPIO33SPIIO4FSPIHDSUBSPIHD | 28 | GPIO, Signal | SPIIO4/GPIO33/FSPIHD/SUBSPIHD |
| GPIO34SPIIO5FSPICS0SUBSPICS0 | 29 | GPIO, Signal | SPIIO5/GPIO34/FSPICS0/SUBSPICS0 |
| GPIO35SPIIO6FSPIDSUBSPID | 31 | GPIO, Signal | SPIIO6/GPIO35/FSPID/SUBSPID |
| GPIO36SPIIO7FSPICLKSUBSPICLK | 32 | GPIO, Signal | SPIIO7/GPIO36/FSPICLK/SUBSPICLK |
| GPIO37SPIDQSFSPIQSUBSPIQ | 33 | GPIO, Signal | SPIDQS/GPIO37/FSPIQ/SUBSPIQ |
| 3V3 | 3 | Power | 3V3 |
| GND | 1 | Ground | GND |
| GND | 2 | Ground | GND |
| GND | 42 | Ground | GND |
| GND | 43 | Ground | GND |
| GND | 46 | Ground | GND |
| GND | 47 | Ground | GND |
| GND | 48 | Ground | GND |
| GND | 49 | Ground | GND |
| GND | 50 | Ground | GND |
| GND | 51 | Ground | GND |
| GND | 52 | Ground | GND |
| GND | 53 | Ground | GND |
| GND | 54 | Ground | GND |
| GND | 55 | Ground | GND |
| GND | 56 | Ground | GND |
| GND | 57 | Ground | GND |
| GND | 58 | Ground | GND |
| GND | 59 | Ground | GND |
| GND | 60 | Ground | GND |
| GND | 61 | Ground | GND |
| GND | 62 | Ground | GND |
| GND | 63 | Ground | GND |
| GND | 64 | Ground | GND |
| GND | 65 | Ground | GND |
| GPIO43U0TXDCLK_OUT1 | 39 | GPIO, Signal | U0TXD/GPIO43/CLK_OUT1 |
| GPIO44U0RXDCLK_OUT2 | 40 | GPIO, Signal | U0RXD/GPIO44/CLK_OUT2 |
| GPIO20U1CTSADC2_CH9CLK_OUT1USB_D+ | 24 | GPIO, Signal | GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+ |
| GPIO19U1RTSADC2_CH8CLK_OUT2USB_D- | 23 | GPIO, Signal | GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D- |
| GPIO0BOOT | 4 | GPIO, Control | GPIO0/BOOT |
| GPIO1TOUCH1ADC1_CH0 | 5 | GPIO, Signal | GPIO1/TOUCH1/ADC1_CH0 |
| GPIO2TOUCH2ADC1_CH1 | 6 | GPIO, Signal | GPIO2/TOUCH2/ADC1_CH1 |
| GPIO3TOUCH3ADC1_CH2 | 7 | GPIO, Signal | GPIO3/TOUCH3/ADC1_CH2 |
| GPIO4TOUCH4ADC1_CH3 | 8 | GPIO, Signal | GPIO4/TOUCH4/ADC1_CH3 |
| GPIO5TOUCH5ADC1_CH4 | 9 | GPIO, Signal | GPIO5/TOUCH5/ADC1_CH4 |
| GPIO6TOUCH6ADC1_CH5 | 10 | GPIO, Signal | GPIO6/TOUCH6/ADC1_CH5 |
| GPIO7TOUCH7ADC1_CH6 | 11 | GPIO, Signal | GPIO7/TOUCH7/ADC1_CH6 |
| GPIO8TOUCH8ADC1_CH7SUBSPICS1 | 12 | GPIO, Signal | GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1 |
| GPIO9TOUCH9ADC1_CH8FSPIHDSUBSPIHD | 13 | GPIO, Signal | GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD |
| GPIO11TOUCH11ADC2_CH0FSPIDFSPIIO5SUBSPID | 15 | GPIO, Signal | GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID |
| GPIO13TOUCH13ADC2_CH2FSPIQFSPIIO7SUBSPIQ | 17 | GPIO, Signal | GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ |
| GPIO14TOUCH14ADC2_CH3FSPIWPFSPIDQSSUBSPIWP | 18 | GPIO, Signal | GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP |
| GPIO17U1TXDADC2_CH6 | 21 | GPIO, Signal | GPIO17/U1TXD/ADC2_CH6 |
| GPIO18U1RXDADC2_CH7CLK_OUT3 | 22 | GPIO, Signal | GPIO18/U1RXD/ADC2_CH7/CLK_OUT3 |
| GPIO21 | 25 | GPIO | GPIO21 |
| GPIO38FSPIWPSUBSPIWP | 34 | GPIO, Signal | GPIO38/FSPIWP/SUBSPIWP |
| GPIO45 | 41 | GPIO | GPIO45 |
| GPIO46 | 44 | GPIO | GPIO46 |
| GPIO47SPICLK_PSUBSPICLK_P_DIFF | 27 | GPIO, Signal | GPIO47/SPICLK_P/SUBSPICLK_P_DIFF |
| GPIO48SPICLK_NSUBSPICLK_N_DIFF | 30 | GPIO, Signal | GPIO48/SPICLK_N/SUBSPICLK_N_DIFF |
Logical bank 1
Logical bank 2
EN
GPIO15/U0RTS/ADC2_CH4/XTAL_32K_P
GPIO16/U0CTS/ADC2_CH5/XTAL_32K_N
MTCK/GPIO39/CLK_OUT3/SUBSPICS1
MTDO/GPIO40/CLK_OUT2
MTDI/GPIO41/CLK_OUT1
MTMS/GPIO42
GPIO26
SPIIO4/GPIO33/FSPIHD/SUBSPIHD
SPIIO5/GPIO34/FSPICS0/SUBSPICS0
SPIIO6/GPIO35/FSPID/SUBSPID
SPIIO7/GPIO36/FSPICLK/SUBSPICLK
SPIDQS/GPIO37/FSPIQ/SUBSPIQ
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
U0TXD/GPIO43/CLK_OUT1
U0RXD/GPIO44/CLK_OUT2
GPIO20/U1CTS/ADC2_CH9/CLK_OUT1/USB_D+
GPIO19/U1RTS/ADC2_CH8/CLK_OUT2/USB_D-
GPIO0/BOOT
GPIO1/TOUCH1/ADC1_CH0
GPIO2/TOUCH2/ADC1_CH1
GPIO3/TOUCH3/ADC1_CH2
GPIO4/TOUCH4/ADC1_CH3
GPIO5/TOUCH5/ADC1_CH4
GPIO6/TOUCH6/ADC1_CH5
GPIO7/TOUCH7/ADC1_CH6
GPIO8/TOUCH8/ADC1_CH7/SUBSPICS1
GPIO9/TOUCH9/ADC1_CH8/FSPIHD/SUBSPIHD
GPIO11/TOUCH11/ADC2_CH0/FSPID/FSPIIO5/SUBSPID
GPIO13/TOUCH13/ADC2_CH2/FSPIQ/FSPIIO7/SUBSPIQ
GPIO14/TOUCH14/ADC2_CH3/FSPIWP/FSPIDQS/SUBSPIWP
GPIO17/U1TXD/ADC2_CH6
GPIO18/U1RXD/ADC2_CH7/CLK_OUT3
GPIO21
GPIO38/FSPIWP/SUBSPIWP
GPIO45
GPIO46
GPIO47/SPICLK_P/SUBSPICLK_P_DIFF
GPIO48/SPICLK_N/SUBSPICLK_N_DIFF
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