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Adafruit Pro Trinket
AdafruitATmega328P
The Adafruit Pro Trinket is a microcontroller board with more pins and USB support compared to its predecessor, the Trinket.
In stock
Specifications
8- Operating Voltage
- 3.0V to 5.5V (regulated) or up to 16V unregulated input for battery power, with reverse polarity protection and overcurrent/thermal protection.
- Logic Level
- 3.3V or 5V depending on the board version
- Clock Speed
- 16MHz
- Flash
- 28KB
- Ram
- 2KB
- Gpio Count
- 18 GPIO, 2 analog only pins
- Dimensions
- 1.5" x 0.7" x 0.2"
- Connectivity
- USB (Micro-USB), FTDI Breakout
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| BAT+ | Battery Input | POWER | 3.5V+ input for 3.3V output; 5.5V+ input for 5V output |
| GND | Ground | GND | |
| USB+ | USB Bus Output | POWER | 5V power when USB connected; max 500mA |
| 3V/5V | Regulator Output | POWER | 3.3V or 5V output from low dropout regulator |
| RX (Digital #0) | Serial RX | UART | |
| TX (Digital #1) | Serial TX | UART | |
| 3V (Analog 4, Digital 18) | I2C SDA | I2C | |
| 5V (Analog 5, Digital 19) | I2C SCL | I2C | |
| Digital 3 | Interrupt #1/PWM | PWMGPIO | |
| Digital 4 | General Purpose I/O | GPIO | |
| Digital 5 | PWM/Interrupt #2 | PWMGPIO | |
| Digital 6 | PWM/Interrupt #3 | PWMGPIO | |
| Digital 8 | General Purpose I/O | GPIO | |
| Digital 9 | PWM/Servo Control | PWMGPIO | |
| Digital 10 | PWM/Servo Control | PWMGPIO | |
| Digital 11 | SPI MOSI | SPIGPIO | |
| Digital 12 | SPI MISO | SPIGPIO | |
| Digital 13 | SPI SCK/LED | SPIGPIO | |
| A6 (Analog only) | Analog Input #4 | ADC | |
| A7 (Analog only) | Analog Input #5 | ADC |
Interactive pinout
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ATmega328P
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