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Qwiic Pro Micro USB-C
SparkFunATmega32U4
This is a SparkFun Qwiic Pro Micro board featuring an ATmega32U4 microcontroller with a USB-C connector. It operates at 5V logic for the MCU, but its I2C bus uses 3.3V logic. It supports a maximum input voltage of 6VDC.
In stock
Specifications
5- Operating Voltage Input
- 6 VDC
- Max Current Output
- 600 mA
- Logic Level
- 5 V
- I2c Logic Level
- 3.3 V
- Usb
- USB-C
Pinout
29| Pin | Name | Functions | Notes |
|---|---|---|---|
| — | GND | GND | |
| — | VCC | POWER | |
| — | 3.3V | POWER | |
| — | VBUS | POWER | |
| — | RAW | POWER | Input for voltage regulator |
| — | RESET | GPIO | |
| — | AREF | ADCPOWER | |
| — | D+ | USB | |
| — | D- | USB | |
| — | SCK | GPIOSPI | PB1 |
| — | MISO | GPIOSPI | PB3 |
| — | MOSI | GPIOSPI | PB2 |
| — | TXO | GPIOUART | PD3 |
| — | RXI | GPIOUART | PD2 |
| — | D9 | GPIOADC | PD6(ADC9) |
| — | D8 | GPIOADC | PD4(ADC8) |
| — | A3 | GPIOADC | |
| — | A2 | GPIOADC | |
| — | A1 | GPIOADC | PF1(ADC1) |
| — | A0 | GPIOADC | PF0(ADC0) |
| — | D2/SDA | GPIOI2C | PD1 |
| — | D3/SCL | GPIOI2C | PD0 |
| — | D4 | GPIO | |
| — | D5 | GPIO | |
| — | D6 | GPIO | |
| — | D7 | GPIO | |
| — | D10 | GPIOADC | PD7(ADC10) |
| — | UCAP | POWER | USB VBUS capacitor connection |
| 13 | 13 | GPIO |
Interactive pinout
Highlight:
ATmega32U4
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