> For the complete documentation index, see [llms.txt](https://blog.azagra.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.azagra.dev/arduino/unboxing-arduino-giga-r1.md).

# Unboxing Arduino GIGA R1

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**Specs**

| Board                     | Description                                             |
| ------------------------- | ------------------------------------------------------- |
| **Name**                  | Arduino® GIGA R1 WiFi                                   |
| SKU                       | ABX00063                                                |
| Microcontroller           | STM32H747XI dual Cortex®-M7+M4 32bit low power Arm® MCU |
| **USB**                   |                                                         |
| USB-C                     | Programming Port / HID                                  |
| USB-A                     | Host (enable with PA\_15)                               |
| **Pins**                  |                                                         |
| Digital I/O Pins          | 76                                                      |
| Analog input pins         | 12                                                      |
| DAC                       | 2 (DAC0/DAC1)                                           |
| PWM pins                  | 12                                                      |
| Misc                      | VRTC & OFF pin                                          |
| **Communication**         |                                                         |
| UART                      | Yes, 4x                                                 |
| I2C                       | Yes, 3x                                                 |
| SPI                       | Yes, 2x                                                 |
| CAN                       | Yes (requires an external transceiver).                 |
| **Connectors**            |                                                         |
| Camera                    | I2C + D54-D67                                           |
| Display                   | D1N, D0N, D1P, D0P, CKN, CKP + D68-D75                  |
| Audio Jack                | DAC0, DAC1, A7                                          |
| **Power**                 |                                                         |
| Circuit operating voltage | 3.3V                                                    |
| Input voltage (VIN)       | 6-24V                                                   |
| DC Current per I/O Pin    | 8 mA                                                    |
| **Clock speed**           |                                                         |
| Main core                 | 480 MHz                                                 |
| Second core               | 240 MHz                                                 |
| **Memory**                |                                                         |
| STM32H747XI               | 2MB Flash, 1MB RAM                                      |
| **Dimensions**            |                                                         |
| Width                     | 53.3 mm                                                 |
| Length                    | 101.5 mm                                                |

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