Ebyte E22-400M30S User Manual page 7

ene Chengdu Ebyte Electronic Technology Co, Ltd. E22-400M30S User manual
No. Name Direction Function
1 GND Ground wire, connected to the power reference ground
2 GND Ground wire, connected to the power reference ground
3 GND Ground wire, connected to the power reference ground
4 GND Ground wire, connected to the power reference ground
5 GND Ground wire, connected to the power reference ground
6 RXEN Input RF switch receiving control pin, connected to external microcontroller 10,
valid in high level
; TXEN Input RF switch transmitting control pin, connected to external microcontroller IO
or DIO2, valid in high level
8 DIO2 Input/Output Configurable universal 10 port (see SX1262 manual for details)
0 vee Power supply, 2.5~5.5V(t is recommended to add external ceramic filter
capacitor)
10 vee Power supply, 2.5~5.5V(t is recommended to add external ceramic filter
capacitor)
11 GND Ground wire, connected to the power reference ground
12 GND Ground wire, connected to the power reference ground
13 DIOL Input/Output Configurable universal 10 port (see SX1262 manual for details)
14 BUSY Output For status indication (see SX1262 manual for details)
15 NRST Input Chip reset trigger input pin, valid in low level
16 MISO Output SPI data output pin
17 MOSI Input SPI data output pin
18 SCK Input SPI data output pin
19 NSS Input Module chip select pin for starting an SPI communication
20 GND Ground wire, connected to the power reference ground
21 ANT Antenna interface, stamp hole (50 ohm characteristic impedance)
22 GND Ground wire, connected to the power reference ground
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