ESP32-S3-USB-OTG Development Board Pinout and Technical Specifications
Code name: ESP32_S3_USB_OTG
ESP32-S3-USB-OTG development board is based on esp32s3 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 8MB.
Quick Links
ESP32-S3-USB-OTG Specs
Below you can find the specifications of ESP32-S3-USB-OTG, such as features, connectivity options, and ESP32-S3-USB-OTG technical specs.
Features
- 48 digital IO pins
- 46 external interrupt pins
- 20 analog input pins
- 34 PWM pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 5.0
- WiFi: 5.0
Technical specs
| Clock Speed | 240 MHz |
| Flash size | 8MB |
| Microcontroller | esp32s3 |
| Architecture | xtensa |
ESP32-S3-USB-OTG Pinout
ESP32-S3-USB-OTG Pins Mapping Arduino IDE
Below you can find the ESP32-S3-USB-OTG pinout. This development board provides 48 digital IO pins, out of which 46 can be used as an external interrupt pins , 20 as analog input pins and 34 pins have Pulse-Width Modulation (PWM) .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | BUTTON_OK | |||
| 1 | A0 | PWM | HOST_VOLTS | |
| 2 | A1 | PWM | BAT_VOLTS | |
| 3 | A2 | T3 | PWM | |
| 4 | PWM | LCD_DC | ||
| 5 | PWM | LCD_CS | ||
| 6 | PWM | LCD_CLK | ||
| 7 | PWM | LCD_MOSI | ||
| 8 | PWM | LCD_RST | ||
| 9 | PWM | LCD_BL | ||
| 10 | PWM | BUTTON_UP | ||
| 11 | PWM | BUTTON_DOWN | ||
| 12 | PWM | DEV_VBUS_EN | ||
| 13 | PWM | BOOST_EN | ||
| 14 | PWM | BUTTON_MENU | ||
| 15 | PWM | LED_GREEN | ||
| 16 | PWM | LED_YELLOW | ||
| 17 | PWM | LIMIT_EN | ||
| 18 | PWM | USB_HOST_EN | ||
| 19 | PWM | USB_DN | ||
| 20 | PWM | USB_DP | ||
| 21 | PWM | OVER_CURRENT | ||
| 33 | PWM | SDMMC_D2 | ||
| 34 | PWM | SS SDMMC_D3 | ||
| 35 | PWM | MOSI SDMMC_CMD | ||
| 36 | PWM | SCK SDMMC_CLK | ||
| 37 | PWM | MISO SDMMC_D0 | ||
| 38 | PWM | SDMMC_D1 | ||
| 39 | PWM | MTCK | ||
| 40 | PWM | MTDO | ||
| 41 | PWM | MTDI | ||
| 42 | PWM | MTMS | ||
| 43 | PWM | TX | ||
| 44 | PWM | RX | ||
| 45 | PWM | SDA | ||
| 46 | SCL | |||
| -1 | LCD_MISO |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x0 |
| Flash mode | dio |
| Boot mode | qio |
| PSRAM type | |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The ESP32-S3-USB-OTG development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x0". Flash mode and boot mode for ESP32-S3-USB-OTG development board by default is dio and qio respectively.
