硬件接口说明
40-PIN 引脚定义表
GPIO number | Function2 | Function1 | Pin# | | Pin# | Function1 | Function2 | GPIO number |
---|
| | +3.3V | 1 | | 2 | +5.0V | | |
359 | SDA2 | GPIO12 | 3 | | 4 | +5.0V | | |
360 | SCL2 | GPIO13 | 5 | | 6 | GND | | |
483 | SPIM1_CSB | GPIO136 | 7 | | 8 | GPIO98 | UTXD0 | 445 |
| | GND | 9 | | 10 | GPIO99 | URXD0 | 446 |
484 | SPIM1_CLK | GPIO137 | 11 | | 12 | GPIO104 | DISP_PWM1 | 451 |
485 | SPIM1_MO | GPIO138 | 13 | | 14 | GND | | |
486 | SPIM1_MI | GPIO139 | 15 | | 16 | GPIO61 | DMIC1_SLK | 408 |
| | +3.3V | 17 | | 18 | GPIO62 | DMIC1_DAT | 409 |
489 | SPIM2_MO | GPIO142 | 19 | | 20 | GND | | |
490 | SPIM2_MI | GPIO143 | 21 | | 22 | GPIO17 | SCL4 | 364 |
488 | SPIM2_CLK | GPIO141 | 23 | | 24 | GPIO140 | SPIM2_CSB | 487 |
| | GND | 25 | | 26 | AUXIN3 | | |
362 | SCL3 | GPIO15 | 27 | | 28 | GPIO14 | SDA3 | 361 |
404 | I2SO2_MCLK | GPIO57 | 29 | | 30 | GND | | |
405 | I2SO2_BCK | GPIO58 | 31 | | 32 | GPIO16 | SDA4 | 363 |
406 | I2SO2_WS | GPIO59 | 33 | | 34 | GND | | |
407 | I2SO2_D0 | GPIO60 | 35 | | 36 | GPIO47 | I2SIN_BCK | 394 |
393 | I2SIN_MCK | GPIO46 | 37 | | 38 | GPIO48 | I2SIN_WS | 395 |
| | GND | 39 | | 40 | GPIO49 | I2SIN_D0 | 396 |