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ESP32 Datasheet(PDF) 60 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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ESP32 Datasheet(HTML) 60 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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60 / 64 page  IO_MUX Pin No. Power Supply Pin Analog Pin Digital Pin Power Domain Analog Function1 Analog Function2 Analog Function3 RTC Function1 RTC Function2 Function1 Type Function2 Type Function3 Type Function4 Type Function5 Type Function6 Type Drive Strength (2’d2: 20 mA) At Reset After Reset 1 VDDA VDDA supply in 2 LNA_IN VDD3P3 3 VDD3P3 VDD3P3 supply in 4 VDD3P3 VDD3P3 supply in 5 SENSOR_VP VDD3P3_RTC ADC_H ADC1_CH0 RTC_GPIO0 GPIO36 I GPIO36 I oe=0, ie=0 oe=0, ie=0 6 SENSOR_CAPP VDD3P3_RTC ADC_H ADC1_CH1 RTC_GPIO1 GPIO37 I GPIO37 I oe=0, ie=0 oe=0, ie=0 7 SENSOR_CAPN VDD3P3_RTC ADC_H ADC1_CH2 RTC_GPIO2 GPIO38 I GPIO38 I oe=0, ie=0 oe=0, ie=0 8 SENSOR_VN VDD3P3_RTC ADC_H ADC1_CH3 RTC_GPIO3 GPIO39 I GPIO39 I oe=0, ie=0 oe=0, ie=0 9 CHIP_PU VDD3P3_RTC 10 VDET_1 VDD3P3_RTC ADC1_CH6 RTC_GPIO4 GPIO34 I GPIO34 I oe=0, ie=0 oe=0, ie=0 11 VDET_2 VDD3P3_RTC ADC1_CH7 RTC_GPIO5 GPIO35 I GPIO35 I oe=0, ie=0 oe=0, ie=0 12 32K_XP VDD3P3_RTC XTAL_32K_P ADC1_CH4 TOUCH9 RTC_GPIO9 GPIO32 I/O/T GPIO32 I/O/T 2'd2 oe=0, ie=0 oe=0, ie=0 13 32K_XN VDD3P3_RTC XTAL_32K_N ADC1_CH5 TOUCH8 RTC_GPIO8 GPIO33 I/O/T GPIO33 I/O/T 2'd2 oe=0, ie=0 oe=0, ie=0 14 GPIO25 VDD3P3_RTC DAC_1 ADC2_CH8 RTC_GPIO6 GPIO25 I/O/T GPIO25 I/O/T EMAC_RXD0 I 2'd2 oe=0, ie=0 oe=0, ie=0 15 GPIO26 VDD3P3_RTC DAC_2 ADC2_CH9 RTC_GPIO7 GPIO26 I/O/T GPIO26 I/O/T EMAC_RXD1 I 2'd2 oe=0, ie=0 oe=0, ie=0 16 GPIO27 VDD3P3_RTC ADC2_CH7 TOUCH7 RTC_GPIO17 GPIO27 I/O/T GPIO27 I/O/T EMAC_RX_DV I 2'd2 oe=0, ie=0 oe=0, ie=1 17 MTMS VDD3P3_RTC ADC2_CH6 TOUCH6 RTC_GPIO16 MTMS I0 HSPICLK I/O/T GPIO14 I/O/T HS2_CLK O SD_CLK I0 EMAC_TXD2 O 2'd2 oe=0, ie=0 oe=0, ie=1 18 MTDI VDD3P3_RTC ADC2_CH5 TOUCH5 RTC_GPIO15 MTDI I1 HSPIQ I/O/T GPIO12 I/O/T HS2_DATA2 I1/O/T SD_DATA2 I1/O/T EMAC_TXD3 O 2'd2 oe=0, ie=1, wpd oe=0, ie=1, wpd 19 VDD3P3_RTC VDD3P3_RTC supply in 20 MTCK VDD3P3_RTC ADC2_CH4 TOUCH4 RTC_GPIO14 MTCK I1 HSPID I/O/T GPIO13 I/O/T HS2_DATA3 I1/O/T SD_DATA3 I1/O/T EMAC_RX_ER I 2'd2 oe=0, ie=0 oe=0, ie=1 21 MTDO VDD3P3_RTC ADC2_CH3 TOUCH3 RTC_GPIO13 I2C_SDA MTDO O/T HSPICS0 I/O/T GPIO15 I/O/T HS2_CMD I1/O/T SD_CMD I1/O/T EMAC_RXD3 I 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 22 GPIO2 VDD3P3_RTC ADC2_CH2 TOUCH2 RTC_GPIO12 I2C_SCL GPIO2 I/O/T HSPIWP I/O/T GPIO2 I/O/T HS2_DATA0 I1/O/T SD_DATA0 I1/O/T 2'd2 oe=0, ie=1, wpd oe=0, ie=1, wpd 23 GPIO0 VDD3P3_RTC ADC2_CH1 TOUCH1 RTC_GPIO11 I2C_SDA GPIO0 I/O/T CLK_OUT1 O GPIO0 I/O/T EMAC_TX_CLK I 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 24 GPIO4 VDD3P3_RTC ADC2_CH0 TOUCH0 RTC_GPIO10 I2C_SCL GPIO4 I/O/T HSPIHD I/O/T GPIO4 I/O/T HS2_DATA1 I1/O/T SD_DATA1 I1/O/T EMAC_TX_ER O 2'd2 oe=0, ie=1, wpd oe=0, ie=1, wpd 25 GPIO16 VDD_SDIO GPIO16 I/O/T GPIO16 I/O/T HS1_DATA4 I1/O/T U2RXD I1 EMAC_CLK_OUT O 2'd2 oe=0, ie=0 oe=0, ie=1 26 VDD_SDIO VDD_SDIO supply out/in 27 GPIO17 VDD_SDIO GPIO17 I/O/T GPIO17 I/O/T HS1_DATA5 I1/O/T U2TXD O EMAC_CLK_OUT_180 O 2'd2 oe=0, ie=0 oe=0, ie=1 28 SD_DATA_2 VDD_SDIO SD_DATA2 I1/O/T SPIHD I/O/T GPIO9 I/O/T HS1_DATA2 I1/O/T U1RXD I1 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 29 SD_DATA_3 VDD_SDIO SD_DATA3 I0/O/T SPIWP I/O/T GPIO10 I/O/T HS1_DATA3 I1/O/T U1TXD O 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 30 SD_CMD VDD_SDIO SD_CMD I1/O/T SPICS0 I/O/T GPIO11 I/O/T HS1_CMD I1/O/T U1RTS O 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 31 SD_CLK VDD_SDIO SD_CLK I0 SPICLK I/O/T GPIO6 I/O/T HS1_CLK O U1CTS I1 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 32 SD_DATA_0 VDD_SDIO SD_DATA0 I1/O/T SPIQ I/O/T GPIO7 I/O/T HS1_DATA0 I1/O/T U2RTS O 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 33 SD_DATA_1 VDD_SDIO SD_DATA1 I1/O/T SPID I/O/T GPIO8 I/O/T HS1_DATA1 I1/O/T U2CTS I1 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 34 GPIO5 VDD3P3_CPU GPIO5 I/O/T VSPICS0 I/O/T GPIO5 I/O/T HS1_DATA6 I1/O/T EMAC_RX_CLK I 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 35 GPIO18 VDD3P3_CPU GPIO18 I/O/T VSPICLK I/O/T GPIO18 I/O/T HS1_DATA7 I1/O/T 2'd2 oe=0, ie=0 oe=0, ie=1 36 GPIO23 VDD3P3_CPU GPIO23 I/O/T VSPID I/O/T GPIO23 I/O/T HS1_STROBE I0 2'd2 oe=0, ie=0 oe=0, ie=1 37 VDD3P3_CPU VDD3P3_CPU supply in 38 GPIO19 VDD3P3_CPU GPIO19 I/O/T VSPIQ I/O/T GPIO19 I/O/T U0CTS I1 EMAC_TXD0 O 2'd2 oe=0, ie=0 oe=0, ie=1 39 GPIO22 VDD3P3_CPU GPIO22 I/O/T VSPIWP I/O/T GPIO22 I/O/T U0RTS O EMAC_TXD1 O 2'd2 oe=0, ie=0 oe=0, ie=1 40 U0RXD VDD3P3_CPU U0RXD I1 CLK_OUT2 O GPIO3 I/O/T 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 41 U0TXD VDD3P3_CPU U0TXD O CLK_OUT3 O GPIO1 I/O/T EMAC_RXD2 I 2'd2 oe=0, ie=1, wpu oe=0, ie=1, wpu 42 GPIO21 VDD3P3_CPU GPIO21 I/O/T VSPIHD I/O/T GPIO21 I/O/T EMAC_TX_EN O 2'd2 oe=0, ie=0 oe=0, ie=1 43 VDDA VDDA supply in 44 XTAL_N VDDA 45 XTAL_P VDDA 46 VDDA VDDA supply in 47 CAP2 VDDA 48 CAP1 VDDA Total Number 8 14 26 Notes: • wpu: weak pull-up; • wpd: weak pull-down; • ie: input enable; • oe: output enable; • Please see Table: Notes on ESP32 Pin Lists for more information. （请参考表：管脚清单说明。） Espressif www.espressif.com |
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