3.4.11 Raspberry Pi® (RPi) 40-Pin GPIO Interface
The SAM9X75 Curiosity Pro board features an RPi-compatible 40-pin connector (J71) for free use.
| Signal | PIO | Pin No | Pin No | PIO | Signal |
|---|---|---|---|---|---|
| VDD_3V3 | – | 1 | 2 | – | 5V_MAIN |
| RPI0_0.TWD | PC0 | 3 | 4 | – | 5V_MAIN |
| RPI0_0.TWCK | PC1 | 5 | 6 | – | GND |
| RPI0_0.GPCLK0 | PB25 | 7 | 8 | PA28 | RPI0_0.TXD |
| GND | – | 9 | 10 | PA29 | RPI0_0.RXD |
| RPI0_0.GPIO17 | PA18 | 11 | 12 | PB26 | RPI0_0.I2S_CK |
| RPI0_0.GPIO27 | PA19 | 13 | 14 | – | GND |
| RPI0_0.GPIO22 | PB17 | 15 | 16 | PA21 | RPI0_0.GPIO23 |
| VDD_3V3 | PA25 | 17 | 18 | PA22 | RPI0_0.GPIO24 |
| RPI0_0.MOSI | PC22 | 19 | 20 | – | GND |
| RPI0_0.MISO | PC23 | 21 | 22 | PA17 | RPI0_0.GPIO25 |
| RPI0_0.SCK | PC26 | 23 | 24 | PC25 | RPI0_0.NPCS0 |
| GND | – | 25 | 26 | PC30 | RPI0_0.NPCS1 |
| n.c. | – | 27 | 28 | – | n.c. |
| RPI0_0.GPCLK1 | PC15 | 29 | 30 | – | GND |
| RPI0_0.GPCLK2 | PC24 | 31 | 32 | PC18 | RPI0_0.PWM0 |
| RPI0_0.PWM1 | PC20 | 33 | 34 | – | GND |
| RPI0_0.I2S_WS | PB15 | 35 | 36 | PA13 | RPI0_0.GPIO16 |
| RPI0_0.GPIO26 | PC19 | 37 | 38 | PB16 | RPI0_0.I2S_DIN0 |
| GND | – | 39 | 40 | PB17 | RPI0_0.I2S_DOUT0 |