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<p><span dir="auto"><span class="autocomment">Pins</span></span></p> <p><b>New page</b></p><div>== 4.2 Peripheral Pin Configurations ==<br /> * https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf<br /> * https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf<br /> == GPIOs ==<br /> * IO 34 ~ 39 Input Only <br /> * GPIO 0 ~ 39<br /> * All GPIO support interrrupts, PWM<br /> <br /> == 2x UARTs ==<br /> * UART0: IO1 / IO3<br /> * UART1: IO9 / IO10<br /> * UART2: IO17 / IO16<br /> == IIC ==<br /> * Any GPIOs<br /> * IO22 / IO21<br /> * IO4 / IO13<br /> <br /> == General purpose SPI ==<br /> * Any GPIOs<br /> * HSPI &amp; VSPI<br /> <br /> == 4x Parallel SPI ==<br /> * SPI = SPI1: overlay used by internal flash<br /> * HSPI = SPI2: IO12/MISO IO13/MOSI IO14/CLK IO15/CS0, drive MicroSD?<br /> <br /> * VSPI = SPI3: IO23/MOSI IO18/CLK IO5/CS0 IO19/MISO, drive LCD<br /> * SPI4?<br /> == GPIO IO_MUX ==<br /> GPIOs: <br /> * 0~19 = 20 IOs<br /> * 21 22 23<br /> * 25 26 27 <br /> * 32 33 <br /> * 34 35 36 37 38 39 = Input Only<br /> * https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_cn.pdf#spi - page 44<br /> * Wrover - https://www.espressif.com/sites/default/files/documentation/esp32-wrover_datasheet_en.pdf<br /> * https://i0.wp.com/randomnerdtutorials.com/wp-content/uploads/2018/08/esp32-pinout-chip-ESP-WROOM-32.png?ssl=1<br /> * I2S - any GPIOs<br /> * IO34-39<br /> {| class=&quot;wikitable sortable&quot;<br /> |-<br /> ! PIN !! PIN NAME !! Use !! Wrover !! UART !! SPI !! AD/DA<br /> |-<br /> | 38 || GPIO19 || - || GPIO19 || Soft_uart_tx || VSPI_MISO<br /> |-<br /> | 36 || GPIO23 || - || GPIO23 || || VSPI_MOSI<br /> |-<br /> | 35 || GPIO18 || - || GPIO18 || Soft_uart_rx || VSPI_CLK<br /> |-<br /> | 34 || GPIO5 || - || GPIO5 || || VSPI_CS0<br /> <br /> |-<br /> | 33 || SD1 || Internal Flash || GPIO8<br /> |-<br /> | 32 || SD0 || Internal Flash || GPIO7 <br /> |-<br /> | 31 || SD_CLK || Internal Flash || GPIO6 <br /> |-<br /> | 30 || SD_CMD || Internal Flash || GPIO11 <br /> |-<br /> | 29 || SD3 || Internal Flash || GPIO10 || U1_TXD<br /> |-<br /> | 28 || SD2 || Internal Flash || GPIO9 || U1_RXD<br /> |-<br /> | 27 || GPIO17 || - || GPIO17 || U2_TXD<br /> |-<br /> | 25 || GPIO16 || - || GPIO16 || U2_RXD<br /> |-<br /> | 24 || GPIO4 || - || GPIO4 || -<br /> |-<br /> | 21 || GPIO15 || - || GPIO15 || - || HSPI_CS0<br /> |-<br /> | 20 || GPIO13 || - || GPIO13 || - || HSPI_MOSI<br /> |-<br /> | 18 || GPIO12 || - || GPIO12 || - || HSPI_MISO<br /> |-<br /> | 17 || GPIO14 || - || GPIO14 || - || HSPI_CLK<br /> <br /> |-<br /> | 14 || GPIO25 || - || GPIO25 || - || - || DAC1<br /> |-<br /> | 15 || GPIO26 || - || GPIO26 || - || - || DAC2<br /> |-<br /> | 16 || GPIO27 || - || GPIO27 || - || -<br /> |}<br /> *<br /> <br /> == Reference ==<br /> Pinout mapping<br /> &lt;gallery&gt;<br /> ESP32-pinout-mapping.png | ESP32 Pinout mapping V1<br /> &lt;/gallery&gt;<br /> [[category: ESP32]]</div>

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