ESP32-PICO datasheet(19/64 Pages) ESPRESSIF

19 / 64 page

Table 4 – cont’d from previous page

Name

No.

Type

Function

SENSOR_VN/I39

GPIO39,

ADC1_CH3, RTC_GPIO3

High: On; enables the SiP

Low: Off; the SiP powers off

Note: Do not leave this pin floating.

VDET_1/I34

ADC1_CH6,

RTC_GPIO4

VDET_2/I35

ADC1_CH7,

RTC_GPIO5

32K_XP/IO32

I/O

ADC1_CH4,

TOUCH9,

RTC_GPIO9,

32K_XP (32.768 kHz crystal oscillator input)

32K_XN/IO33

I/O

ADC1_CH5,

TOUCH8,

RTC_GPIO8,

32K_XN (32.768 kHz crystal oscillator output)

IO25

I/O

GPIO25,

DAC_1,

ADC2_CH8,

RTC_GPIO6, EMAC_RXD0

IO26

I/O

GPIO26,

DAC_2,

ADC2_CH9,

RTC_GPIO7,

EMAC_RXD1

IO27

I/O

GPIO27,

ADC2_CH7, TOUCH7,

RTC_GPIO17, EMAC_RX_DV

MTMS/IO14

I/O

ADC2_CH6,

TOUCH6,

RTC_GPIO16,

HSPICLK,

HS2_CLK,

SD_CLK,

EMAC_TXD2,

MTMS

MTDI/IO12

I/O

ADC2_CH5,

TOUCH5,

RTC_GPIO15,

HSPIQ,

HS2_DATA2,

SD_DATA2, EMAC_TXD3,

MTDI

VDD3P3_RTC

Power

Input power supply for RTC IO

MTCK/IO13

I/O

ADC2_CH4,

TOUCH4,

RTC_GPIO14,

HSPID,

HS2_DATA3,

SD_DATA3, EMAC_RX_ER,

MTCK

MTDO/IO15

I/O

ADC2_CH3,

TOUCH3,

RTC_GPIO13,

HSPICS0,

HS2_CMD,

SD_CMD,

EMAC_RXD3,

MTDO

IO2

I/O

ADC2_CH2,

TOUCH2,

RTC_GPIO12,

HSPIWP,

HS2_DATA0,

SD_DATA0

IO0

I/O

ADC2_CH1,

TOUCH1,

RTC_GPIO11,

CLK_OUT1,

EMAC_TX_CLK

IO4

I/O

ADC2_CH0,

TOUCH0,

RTC_GPIO10,

HSPIHD,

HS2_DATA1,

SD_DATA1, EMAC_TX_ER

VDD_SDIO

—

VDD_SDIO

Power

Output power supply

IO20

I/O

GPIO20

SD2/IO9

I/O

ESP32-PICO-V3: GPIO9, SD_DATA2, HS1_DATA2, U1RXD

ESP32-PICO-V3-02: Used for connecting in-package PSRAM.

SD3/IO10

I/O

ESP32-PICO-V3: GPIO10, SD_DATA3, HS1_DATA3, U1TXD

ESP32-PICO-V3-02: Used for connecting in-package PSRAM.

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