[IC]:SX1280
[Frequency]:2.4~2.5GHz
[Power]:12.5dBm
[Distance]:3.0km
[Interface]:SPI
[Weight]:1.6±0.1g
[Introduction]:E28-2G4M12S is a 2.4GHz bluetooth module designed by Chengdu Ebyte. With built-in PCB antenna, it adopts the original RFIC SX1280 of Semtech, it works at 2.400 ~ 2.500GHz with ultra-low power consumption. It is applicable for smart home, security system & etc.
Pin No | Pin item | Pin direction | Pin application |
---|---|---|---|
1 | VCC | - | Power supply, 1.8V ~3.6V (recommend to add external ceramic filter capacitor) |
2 | GND | - | Ground, connecting to power source reference ground |
3 | MISO_TX | Output | SPI data output pin,can be used as UART transmitting pin |
4 | MOSI_RX | Input | SPI data input pin,can be used as UART receiving pin |
5 | SCK_RTSN | Input | SPI clock input pin,can be used as UART request transmitting pin |
6 | NSS_CTS | Input | Module chip selection pin, used to start a SPI communication; and can be used as UART clearing transmitting pin |
7 | GND | - | Ground, connecting to power source reference ground |
8 | GND | - | Ground, connecting to power source reference ground |
9 | NRESET | Input | Chip reset initiation input pin, valid under low level, built-in 50k pull-up resistor |
10 | BUSY | Output | Status indication (referto SX1280 Datasheet) |
11 | DIO1 | Input/Output | Configurable general IO interface (refer to SX1280 Datasheet) |
12 | DIO2 | Input/Output | Configurable general IO interface (refer to SX1280 Datasheet) |
13 | DIO3 | Input/Output | Configurable general IO interface (refer to SX1280 Datasheet) |
14 | GND | - | Ground, connecting to power source reference ground |