Carte des connecteurs sur ESP32
publication: 17 mai 2021 / mis à jour 29 décembre 2021
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Pin Description
| Name | No. | Type | Function |
|---|---|---|---|
| Analog | |||
| VDDA | 1 | P | Analog power supply (2.3 V ∼ 3.6 V) |
| LNA_IN | 2 | I/OV | RF input and output |
| VDD3P3 | 3 | P | Analog power supply (2.3 V ∼ 3.6 V) |
| VDD3P3 | 4 | P | Analog power supply (2.3 V ∼ 3.6 V) |
| VDD3P3_RTC | |||
| SENSOR_VP | 5 | I | GPIO36, ADC1_CH0, RTC_GPIO0 |
| SENSOR_CAPP | 6 | I | GPIO37, ADC1_CH1, RTC_GPIO1 |
| SENSOR_CAPN | 7 | I | GPIO38, ADC1_CH2, RTC_GPIO2 |
| SENSOR_VN | 8 | I | GPIO39, ADC1_CH3, RTC_GPIO3 |
| CHIP_PU | 9 | I | High: On; enables the chip Low: Off; the chip powers off Note: Do not leave the CHIP_PU pin floating. |
| VDET_1 | 10 | I | GPIO34, ADC1_CH6, RTC_GPIO4 |
| VDET_2 | 11 | I | GPIO35, ADC1_CH7, RTC_GPIO5 |
| 32K_XP | 12 | I/O | GPIO32, ADC1_CH4, RTC_GPIO9, TOUCH9, 32K_XP (32.768 kHz crystal oscillator input) |
| 32K_XN | 13 | I/O | GPIO33, ADC1_CH5, RTC_GPIO8, TOUCH8, 32K_XN (32.768 kHz crystal oscillator output) |
| GPIO25 | 14 | I/O | GPIO25, ADC2_CH8, RTC_GPIO6, DAC_1, EMAC_RXD0 |
| GPIO26 | 15 | I/O | GPIO26, ADC2_CH9, RTC_GPIO7, DAC_2, EMAC_RXD1 |
| GPIO27 | 16 | I/O | GPIO27, ADC2_CH7, RTC_GPIO17, TOUCH7, EMAC_RX_DV |
| MTMS | 17 | I/O | GPIO14, ADC2_CH6, RTC_GPIO16, TOUCH6, EMAC_TXD2, HSPICLK, HS2_CLK, SD_CLK, MTMS |
| MTDI | 18 | I/O | GPIO12, ADC2_CH5, RTC_GPIO15, TOUCH5, EMAC_TXD3, HSPIQ, HS2_DATA2, SD_DATA2, MTDI |
| VDD3P3_RTC | 19 | P | Input power supply for RTC IO (2.3 V ∼ 3.6 V) |
| MTCK | 20 | I/O | GPIO13, ADC2_CH4, RTC_GPIO14, TOUCH4, EMAC_RX_ER, HSPID, HS2_DATA3, SD_DATA3, MTCK |
| MTDO | 21 | I/O | GPIO15, ADC2_CH3, RTC_GPIO13, TOUCH3, EMAC_RXD3, HSPICS0, HS2_CMD, SD_CMD, MTDO |
| GPIO2 | 22 | I/O | GPIO2, ADC2_CH2, RTC_GPIO12, TOUCH2, HSPIWP, HS2_DATA0, SD_DATA0 |
| GPIO0 | 23 | I/O | GPIO0, ADC2_CH1, RTC_GPIO11, TOUCH1, EMAC_TX_CLK, CLK_OUT1, |
| GPIO4 | 24 | I/O | GPIO4, ADC2_CH0, RTC_GPIO10, TOUCH0, EMAC_TX_ER, HSPIHD, HS2_DATA1, SD_DATA1 |
| VDD_SDIO | |||
| GPIO16 | 25 | I/O | GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT |
| VDD_SDIO | 26 | P | Output power supply: 1.8 V or the same voltage as VDD3P3_RTC |
| GPIO17 | 27 | I/O | GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 |
| SD_DATA_2 | 28 | I/O | GPIO9, HS1_DATA2, U1RXD, SD_DATA2, SPIHD |
| SD_DATA_3 | 29 | I/O | GPIO10, HS1_DATA3, U1TXD, SD_DATA3, SPIWP |
| SD_CMD | 30 | I/O | GPIO11, HS1_CMD, U1RTS, SD_CMD, SPICS0 |
| SD_CLK | 31 | I/O | GPIO6, HS1_CLK, U1CTS, SD_CLK, SPICLK |
| SD_DATA_0 | 32 | I/O | GPIO7, HS1_DATA0, U2RTS, SD_DATA0, SPIQ |
| SD_DATA_1 | 33 | I/O | GPIO8, HS1_DATA1, U2CTS, SD_DATA1, SPID |
| VDD3P3_CPU | |||
| GPIO5 | 34 | I/O | GPIO5, HS1_DATA6, VSPICS0, EMAC_RX_CLK |
| GPIO18 | 35 | I/O | GPIO18, HS1_DATA7, VSPICLK |
| GPIO23 | 36 | I/O | GPIO23, HS1_STROBE, VSPID |
| VDD3P3_CPU | 37 | P | Input power supply for CPU IO (1.8 V ∼ 3.6 V) |
| GPIO19 | 38 | I/O | GPIO19, U0CTS, VSPIQ, EMAC_TXD0 |
| GPIO22 | 39 | I/O | GPIO22, U0RTS, VSPIWP, EMAC_TXD1 |
| U0RXD | 40 | I/O | GPIO3, U0RXD, CLK_OUT2 |
| U0TXD | 41 | I/O | GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 |
| GPIO21 | 42 | I/O | GPIO21, VSPIHD, EMAC_TX_EN |
| Analog | |||
| VDDA | 43 | P | Analog power supply (2.3 V ∼ 3.6 V) |
| XTAL_N | 44 | O | External crystal output |
| XTAL_P | 45 | I | External crystal input |
| VDDA | 46 | P | Analog power supply (2.3 V ∼ 3.6 V) |
| CAP2 | 47 | I | Connects to a 3.3 nF (10%) capacitor and 20 kΩ resistor in parallel to CAP1 |
| CAP1 | 48 | I | Connects to a 10 nF series capacitor to ground |
| GND | 49 | P | Ground |
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