Mechanical Properties; E19 (433M20Sc)/ E19 (868M20S)/ E19 (915M20S); Dimensions; Pin Definition - Ebyte E19 Series User Manual

SX127X RF Module

2. Mechanical properties

2.1. E19 (433M20SC)/ E19 (868M20S)/ E19 (915M20S)

2.1.1 Dimensions

2.1.2 Pin definition

Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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Name Direction
GND Input
DIO5 Input /Output
DIO4 Input /Output
DIO3 Input /Output
DIO2 Input /Output
DIO1 Input /Output
DIO0 Input /Output
RST Input
NC --
GND Input
VCC Input
SCK Input
MISO Output
MOSI Input
NSS Input
TXEN Input
RXEN Input
GND
GND
ANT Output
GND
Ground electrode, connected to the power reference ground.
Configurable IO interface(See more details in SX1278 data sheet
Configurable IO interface(See more details in SX1278 data sheet
Configurable IO interface(See more details in SX1278 data sheet
Configurable IO interface(See more details in SX1278 data sheet
Configurable IO interface(See more details in SX1278 data sheet
Configurable IO interface(See more details in SX1278 data sheet
Not connect
Ground electrode, connected to the power reference ground.
Power supply 1.8V-3.6V DC. 3.3V and external ceramic filter
capacitor are recommended.）
Master input slave output
Master output slave input
Chip select
Radio frequency switch control, make sure the TXEN pin is in
high level, RXEN pin is in low level when transmitting.
Radio frequency switch control, Make sure the RXEN pin is in
high level ,TXEN pin is in low level when receiving.
Ground electrode, connected to the power reference ground.
Ground electrode, connected to the power reference ground.
Ground electrode, connected to the power reference ground.
User Manual of E19 Series Modules
Usage
Reset
SPI clock
Antenna
6