ATmega 32U4-Arduino Pin Mapping
Arduino Leonardo pin mapping table
| Pin Number | Pin Name | Mapped Pin Name |
|---|---|---|
| 1 | PE6 (INT.6/AIN0) | Digital pin 7 |
| 2 | UVcc | +5V |
| 3 | D- | RD- |
| 4 | D+ | RD+ |
| 5 | UGnd | UGND |
| 6 | UCap | UCAP |
| 7 | VUSB | VBus |
| 8 | (SS/PCINT0) PB0 | RXLED |
| 9 | (PCINT1/SCLK) PB1 | SCK |
| 10 | (PDI/PCINT2/MOSI) PB2 | MOSI |
| 11 | (PDO/PCINT3/MISO) PB3 | MISO |
| 12 | (PCINT7/OC0A/OC1C/#RTS) PB7 | Digital pin 11 (PWM) |
| 13 | RESET | RESET |
| 14 | Vcc | +5V |
| 15 | GND | GND |
| 16 | XTAL2 | XTAL2 |
| 17 | XTAL1 | XTAL1 |
| 18 | (OC0B/SCL/INT0) PD0 | Digital pin 3 (SCL)(PWM) |
| 19 | (SDA/INT1) PD1 | Digital pin 2 (SDA) |
| 20 | (RX D1/AIN1/INT2) PD2 | Digital pin 0 (RX) |
| 21 | (TXD1/INT3) PD3 | Digital pin 1 (TX) |
| 22 | (XCK1/#CTS) PD5 | TXLED |
| 23 | GND1 | GND |
| 24 | AVCC | AVCC |
| 25 | (ICP1/ADC8) PD4 | Digital pin 4 |
| 26 | (T1/#OC4D/ADC9) PD6 | Digital pin 12 |
| 27 | (T0/OC4D/ADC10) PD7 | Digital Pin 6 (PWM) |
| 28 | (ADC11/PCINT4) PB4 | Digital pin 8 |
| 29 | (PCINT5/OC1A/#OC4B/ADC12) PB5 | Digital Pin 9 (PWM) |
| 30 | (PCINT6/OC1B/OC4B/ADC13) PB6 | Digital Pin 10 (PWM) |
| 31 | (OC3A/#0C4A) PC6 | Digital Pin 5 (PWM) |
| 32 | (ICP3/CLK0/)0C4A) PC7 | Digital Pin 13 (PWM) |
| 33 | (#HWB) PE2 | HWB |
| 34 | Vcc1 | +5V |
| 35 | GND2 | GND |
| 36 | (ADC7/TDI) PF7 | Analog In 0 |
| 37 | (ADC6/TDO) PF6 | Analog In 1 |
| 38 | (ADC5/TMS) PF5 | Analog In 2 |
| 39 | (ADC4/TCK) PF4 | Analog In 3 |
| 40 | (ADC1) PF1 | Analog In 4 |
| 41 | (ADC0) PF0 | Analog In 5 |
| 42 | AREF | AEF |
| 43 | GND3 | GND |
| 44 | AVCC1 | AVCC |
