LoRa SoC RF module Standard LoraWan node module Support multi-frequency
[IC]：ASR6601
[Frequency]：850-925MHz
[Power]：21dBm
[Distance]：5.6km
[Size]：14*20mm
[Introduction]：E78-868LN22S (6601) series of products is the Chengdu EBYTE Electronic Technology Co., Ltd. design and production of the standard LoraWan node module, operating band EU863 to 870MHz, support CLASS - A/CLASS-C node type.
| No. | Pin Name | Pin direction | Pin use |
|---|---|---|---|
| 1 | GND | - | ground wire, connected to the power reference |
| 2 | VCC | - | Power supply, range 2.5V to 3.7V(ceramic filter capacitor is recommended externally) |
| 3 | SETB | - | Wake-up pins with low power |
| 4 | DIO1 | Input/output | NC(reserve pin) |
| 5 | BUSY | Input/output | NC(reserve pin) |
| 6 | I2C_SDA | Input/output | NC(reserve pin) |
| 7 | I2C_SCL | Input/output | NC(reserve pin) |
| 8 | UART_CTS | Input/output | NC(reserve pin) |
| 9 | UART_RTS | Input/output | NC(reserve pin) |
| 10 | GND | - | ground wire, connected to the power reference |
| 11 | ANT | - | Antenna interface, stamp hole(50 ohm characteristic impedance) |
| 12 | GND | - | ground wire, connected to the power reference |
| 13 | GND | - | ground wire, connected to the power reference |
| 14 | GND | - | ground wire, connected to the power reference |
| 15 | GND | - | ground wire, connected to the power reference |
| 16 | XRES | Input | The external reset pin |
| 17 | ADC_IN | Input | NC(reserve pin) |
| 18 | AUX | Input/output | NC(reserve pin) |
| 19 | SETA | Input/output | NC(reserve pin) |
| 20 | UART_RX | Input/output | UART RX pin |
| 21 | UART_TX | Input/output | UART TX pin |
| 22 | SWD_DATA | Input/output | SWD Data pin |
| 23 | SWD_CLK | Input/output | SWD Clock pin |
| 24 | GND | - | ground wire, connected to the power reference |
| 25 | SPI_MISO | Input/output | The SPI MISO test point, which is internally connected and cannot be used as an external SPI |
| 26 | SPI_NSS | Input/output | The SPI NSS test point, which is internally connected and cannot be used as an external SPI |
| 27 | SPI_MOSI | Input/output | The SPI MOSI test point, which is internally connected and cannot be used as an external SPI |
| 28 | SPI_SCK | Input/output | The SPI SCK test point, which is internally connected,cannot be used as an external SPI |