Ebyte E30 eries module test board SI4438/4463 Development Evaluation Kit USB interface pre welding interface
[Interface]：USB
[Size]：53*27mm
[Introduction]：E30-400M20S is a hardware module (SPI) based on the SI4463 RF chip imported from Silicon Labs. It is a half-duplex, SMD integrated transceiver with transparent transmission available. With working frequency band 425～525MHz, transmitting power 100mW, it is suitable for a variety of environments.
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| No. | Definition | Function Description |
| 1 | 3.3V | 3.3V power pin |
| 2 | 3.3V | 3.3V power pin |
| 3 | GND | Backplane reference ground |
| 4 | GND | Backplane reference ground |
| 5 | 3.3V | 3.3V power pin |
| 6 | GND | Backplane reference ground |
| 7 | REST | MCU external reset pin |
| 8 | SWIM | MCU's SWIM pin |
| 9 | 3.3V | 3.3V power pin |
| 10 | VCC | Module power supply pin, which needs to be shorted with pin 9 to supply power to the module |
| 11 | PC6 | MCU common IO |
| 12 | PC5 | MCU common IO |
| 13 | PB3 | MCU common IO |
| 14 | PB2 | MCU common IO |
| 15 | PB1 | MCU common IO |
| 16 | PB0 | MCU common IO |
| 17 | M1 | Module mode switching pin (see module product manual for details) |
| 18 | M0 | Module mode switching pin (see module product manual for details) |
| 19 | PD1 | MCU common IO |
| 20 | PD0 | MCU common IO |
| 21 | GND | Backplane reference ground |
| 22 | GND | Backplane reference ground |
| 23 | 5V | 5V power pin |
| 24 | 5V | 5V power pin |