Category:ESP32 HDK

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4.2 Peripheral Pin Configurations

GPIOs

  • IO 34 ~ 39 Input Only
  • GPIO 0 ~ 39
  • All GPIO support interrrupts, PWM

2x UARTs

  • UART0: IO1 / IO3
  • UART1: IO9 / IO10
  • UART2: IO17 / IO16

IIC

  • Any GPIOs
  • IO22 / IO21
  • IO4 / IO13

General purpose SPI

  • Any GPIOs
  • HSPI & VSPI

4x Parallel SPI

  • SPI = SPI1: overlay used by internal flash
  • HSPI = SPI2: IO12/MISO IO13/MOSI IO14/CLK IO15/CS0, drive MicroSD?
  • VSPI = SPI3: IO23/MOSI IO18/CLK IO5/CS0 IO19/MISO, drive LCD
  • SPI4?

Pins

PIN PIN NAME Use Wrover UART SPI AD/DA
38 GPIO19 - GPIO19 Soft_uart_tx VSPI_MISO
36 GPIO23 - GPIO23 VSPI_MOSI
35 GPIO18 - GPIO18 Soft_uart_rx VSPI_CLK
34 GPIO5 - GPIO5 VSPI_CS0
33 SD1 Internal Flash GPIO8
32 SD0 Internal Flash GPIO7
31 SD_CLK Internal Flash GPIO6
30 SD_CMD Internal Flash GPIO11
29 SD3 Internal Flash GPIO10 U1_TXD
28 SD2 Internal Flash GPIO9 U1_RXD
27 GPIO17 - GPIO17 U2_TXD
25 GPIO16 - GPIO16 U2_RXD
24 GPIO4 - GPIO4 -
21 GPIO15 - GPIO15 - HSPI_CS0
20 GPIO13 - GPIO13 - HSPI_MOSI
18 GPIO12 - GPIO12 - HSPI_MISO
17 GPIO14 - GPIO14 - HSPI_CLK
14 GPIO25 - GPIO25 - - DAC1
15 GPIO26 - GPIO26 - - DAC2
16 GPIO27 - GPIO27 - -

Reference

Pinout mapping

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Pages in category "ESP32 HDK"

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