PC0 - I2C - SCL - ॡ
PC1 - I2C - SDA - ॡ
PC2 - KEY1
PC3 - KEY2
PC4 - KEY3
PC5 - KEY4
PC6 - ᮢ  - TOSC2
PC7 - ᮢ  - TOSC1

PB0 - ॡ
PB1 - MT16S2 0-on 1-off Uled
PB2 - MT16S2 A0
PB3 - MT16S2 E 
PB4 - MT16S2 D4
PB5 - MT16S2 D5
PB6 - MT16S2 D6
PB7 - MT16S2 D7

PD - ॡ
PA - ॡ