Size And Pin Definition - Ebyte E220-400M22S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

3 Size and pin definition

Pin No. Item
1 GND
2 GND
3 GND
4 GND
5 DIO3
6 RXEN
7 TXEN
8 DIO2
9 VCC
10 GND
11 GND
12 GND
13 DIO1
14 BUSY
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Direction
Ground, connect to power reference ground
Ground, connect to power reference ground
Ground, connect to power reference ground
Ground, connect to power reference ground
Configurable universal IO port (see llcc68 manual for details)
RF switch receive control pin, connect external MCU IO, high level
input
effective
RF switch emission control pin, connected to external MCU IO or dio2,
input
high level effective
Input / output Configurable universal IO port (see llcc68 manual for details)
Power supply, range 1.8V ~ 3.7V (it is recommended to add ceramic filter
capacitor externally)
Ground, connect to power reference ground
Ground, connect to power reference ground
Ground, connect to power reference ground
Input / output Configurable universal IO port (see llcc68 manual for details)
output For status indication (see llcc68 manual for details)
E220-400M22S User Manual
Description
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