| PA5 PB3 |
| PA6 PA15 |
| PA7 PA12 |
- | PB0 PA11 |
- | PB1 PA10 | RXD1 - debugging console
+yellow LED* | PB0 PA11 |
+green LED* | PB1 PA10 | RXD1 - debugging console
TXD3 - BSB | PB10 PA9 | TXD1 - debugging console
RXD3 - BSB | PB11 PA8 |
| RESET PB15 |