| Row |
Column 1 Signal |
Column 2 Signal | Column 3 Signal |
| 1 |
PB0 |
+5V |
Ground |
| 2 |
PB1 (PWM A) |
+5V |
Ground |
| 3 |
PB2 |
+5V |
Ground |
| 4 |
PB3 (PWM B) |
+5V |
Ground |
| 5 |
PA0 (ADC 0) |
+5V |
Ground |
| 6 |
PA1 (ADC 1) |
+5V |
Ground |
| 7 |
PA2 (ADC 2) |
+5V |
Ground |
| 8 |
PA3 |
+5V |
Ground |
| 9 |
PA4 (ADC 3) |
+5V |
Ground |
| 10 |
PA5 (ADC 4) |
+5V | Ground |
| 11 |
PA6 (ADC 5) |
+5V | Ground |
| 12 |
PA7 (ADC 6) |
+5V | Ground |
| 13 |
PB4 | +5V | Ground |
| 14 |
PB5 | +5V | Ground |
| 15 |
PB6 | +5V | Ground |