XIAO_ESP32C3 Development Board Pinout and Technical Specifications
Code name: XIAO_ESP32C3
XIAO_ESP32C3 development board is based on esp32c3 microcontroller and uses riscv32 architecture. This development board has a maximum CPU frequency of 160 MHz and a flash size of 4MB.
Features
- 22 digital IO pins
- 22 external interrupt pins
- 6 analog input pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 5.0
- WiFi: 5.0
Technical specs
| Clock Speed | 160 MHz |
| Flash size | 4MB |
| Microcontroller | esp32c3 |
| Architecture | riscv32 |
XIAO_ESP32C3 Pins Mapping Arduino IDE
Below you can find the XIAO_ESP32C3 pinout. This development board provides 22 digital IO pins, out of which 22 can be used as an external interrupt pins and 6 as analog input pins .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 2 | A0 | |||
| 3 | A1 | |||
| 4 | A2 | |||
| 5 | A3 | |||
| 6 | SDA | |||
| 7 | SCL | |||
| 8 | SCK | |||
| 9 | MISO | |||
| 10 | MOSI | |||
| 20 | RX SS | |||
| 21 | TX |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x0 |
| Flash mode | qio |
| Boot mode | qio |
| PSRAM type | |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The XIAO_ESP32C3 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 XIAO_ESP32C3 development board by default is qio and qio respectively. When using Arduino IDE, the maximum sketch upload size is 1280 Kb (1310720 B) and maximum data size for variables is 320 Kb (327680 B).