ATmega328 Chip with Arduino UNO Bootloader
Discontinued ATmega328 DIP chip with Arduino UNO bootloader pre-loaded. Requires an external 16 MHz crystal, 5V supply, and a USB-serial adapter for programming.
Discontinued ATmega328 DIP chip with Arduino UNO bootloader pre-loaded. Requires an external 16 MHz crystal, 5V supply, and a USB-serial adapter for programming.
| Pin | Position | Type |
|---|---|---|
| PC6RESET | 1 | Control |
| PD0RXD | 2 | UART, Signal |
| PD1TXD | 3 | UART, Signal |
| PD2INT0 | 4 | Signal |
| PD3INT1OC2B | 5 | Signal |
| PD4XCKT0 | 6 | Signal |
| VCC | 7 | Power |
| GND | 8 | Ground |
| PB6XTAL1 | 9 | Signal |
| PB7XTAL2 | 10 | Signal |
| PD5T1OC0B | 11 | Signal |
| PD6AIN0OC0A | 12 | Analog, Signal |
| PD7AIN1 | 13 | Analog, Signal |
| PB0ICP1CLKO | 14 | Signal |
| PB1OC1A | 15 | Signal |
| PB2SSOC1B | 16 | SPI, Signal |
| PB3MOSIOC2A | 17 | SPI, Signal |
| PB4MISO | 18 | SPI, Signal |
| PB5SCK | 19 | SPI, Signal |
| AVCC | 20 | Power |
| AREF | 21 | Analog |
| GND | 22 | Ground |
| PC0ADC0 | 23 | Analog, Signal |
| PC1ADC1 | 24 | Analog, Signal |
| PC2ADC2 | 25 | Analog, Signal |
| PC3ADC3 | 26 | Analog, Signal |
| PC4ADC4SDA | 27 | Analog, I2C, Signal |
| PC5ADC5SCL | 28 | Analog, I2C, Signal |
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