Mechanical Dimensions And Pin Definition - Ebyte E22-400M33S User Manual

3. Mechanical dimensions and pin definition

Pin Serial
Pin Name
Number
1 GND
2 GND
3 GND
4 GND
5 GND
6 RXEN
7 TXEN
8 DIO2
9 VCC
10 VCC
11 GND
12 GND
13 DIO1
Pin
Orientation
Ground wire, connected to power reference ground
Ground wire, connected to power reference ground
Ground wire, connected to power reference ground
Ground wire, connected to power reference ground
Ground wire, connected to power reference ground
RF switch receive control pin, connected to external microcontroller
Input
IO, active high
RF switch transmit control pin, connected to external microcontroller
Input
IO or DIO2, active high
Input/Output Configurable general purpose IO port (see SX1268 manual for details)
Power supply, range 3.3 to 5.5V (it is recommended to increase the
external ceramic filter capacitor)
Power supply, range 3.3 to 5.5V (it is recommended to increase the
external ceramic filter capacitor)
Ground wire, connected to power reference ground
Ground wire, connected to power reference ground
Input/Output Configurable general purpose IO port (see SX1268 manual for details)
Pin Usage
7
E22-400M33S User Manual