| 天鸿1、天鸿3接口定义 | |||
| J30J引脚号 | 信号名 | 信号类别 | 备注 |
| 1 | 电源+ | 电源输入 9V~60V | |
| 2 | 电源+ | ||
| 3 | 电源- | ||
| 4 | 电源- | ||
| 5 | RC IN | 遥控器输入 【SBUS（47针5V）、PPM】 | |
| 6 | GND | ||
| 7 | PWM1 | PWM主输出 5V电平 单向输出（PWM3不接正极） | |
| 8 | GND | ||
| 9 | PWM2 | ||
| 10 | GND | ||
| 11 | PWM3 | ||
| 12 | GND | ||
| 13 | PWM4 | ||
| 14 | GND | ||
| 15 | PWM5 | ||
| 16 | GND | ||
| 17 | PWM6 | ||
| 18 | GND | ||
| 19 | PWM7 | ||
| 20 | GND | ||
| 21 | PWM8 | ||
| 22 | GND | ||
| 23 | PWM9 | PWM辅助输出 3.3V电平 双向 | |
| 24 | GND | ||
| 25 | PWM10 | ||
| 26 | PWM11 | ||
| 27 | PWM12 | ||
| 28 | PWM13 | ||
| 29 | PWM14 | ||
| 30 | GND | ||
| 31 | 5V | 串口1(数传) | |
| 32 | Serial1_RX | ||
| 33 | Serial1_TX | ||
| 34 | GND | ||
| 35 | 5V | 串口2（RTK） | |
| 36 | Serial2_RX | ||
| 37 | Serial2_TX | ||
| 38 | GND | ||
| 39 | 5V | 串口3（思翼、云卓遥控器数传接口） | |
| 40 | Serial3_RX | ||
| 41 | Serial3_TX | ||
| 42 | GND | ||
| 43 | 5V | 串口4（预留） | |
| 44 | Serial4_RX | ||
| 45 | Serial4_TX | ||
| 46 | GND | ||
| 47 | 5V | 串口5（5V接5、6针，独立形成SBUS，所有外接设备供电从47-50针取） | |
| 48 | Serial5_RX | ||
| 49 | Serial5_TX | ||
| 50 | GND | ||
| 51 | 5V | IIC2 | |
| 52 | IIC_SCL | ||
| 53 | IIC_SDA | ||
| 54 | GND | ||
| 55 | CAN1-L | CAN1 | 注意L在前，H在后 |
| 56 | CAN1-H | ||
| 57 | CAN2-L | CAN2 | 注意L在前，H在后 |
| 58 | CAN2-H | ||
| 59 | VBUS | USB | |
| 60 | D- | ||
| 61 | D+ | ||
| 62 | GND | ||
| 63 | ADC_IN1 | ADC1 | 在全部参数列表中，PIN号为8 |
| 64 | GND | ||
| 65 | ADC_IN2 | ADC2 | 在全部参数列表中，PIN号为10 |
| 66 | GND | ||
