- (MOSI/DI/SDA/!OC1A/PCINT8) PB0 MOSI,SW2 SENSE1+ PA0 (ADC0/DI/SDA/PCINT0)
- (MISO/DO/OC1A/PCINT9) PB1 MISO,PWM1 SENSE12- PA1 (ADC1/DO/PCINT1)
- (SCK/USCK/SCL/!OC1B/PCINT10) PB2 SCK,LED2 SENSE2+ PA2 (ADC2/INT1/USCK/SCL/PCINT2)
- (OC1B/PCINT11) PB3 PWM2 SENSE3- PA3 (AREF/PCINT3)
+ (MOSI/DI/SDA/!OC1A/PCINT8) PB0 MOSI,SW2 SENSE2+ PA0 (ADC0/DI/SDA/PCINT0)
+ (MISO/DO/OC1A/PCINT9) PB1 MISO,PWM1 SENSE23- PA1 (ADC1/DO/PCINT1)
+ (SCK/USCK/SCL/!OC1B/PCINT10) PB2 SCK,LED2 SENSE3+ PA2 (ADC2/INT1/USCK/SCL/PCINT2)
+ (OC1B/PCINT11) PB3 PWM2 --free-- PA3 (AREF/PCINT3)