Ebyte E22-900M22S, Руководство пользователя

Страница: 6 / 13

Chengdu Ebyte Electronic Technology Co., Ltd. E22-900M22S User manual
Copyright ©2012–2018, Chengdu Ebyte Electronic Technology Co.,Ltd.
4
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 IO,
valid in high level
7 TXEN Input
RF switch transmitting control pin, connected to external microcontroller IO
or DIO2, valid in high level
8 DIO2 Input/Output Configurable universal IO port (see SX1262 manual for details)
9 VCC
Power supply, 1.8~3.7V(It is recommended to add external ceramic filter
capacitor)
10 GND Ground wire, connected to the power reference ground
11 GND Ground wire, connected to the power reference ground
12 GND Ground wire, connected to the power reference ground
13 DIO1 Input/Output Configurable universal IO 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