Ebyte E70-433T S Series User Manual page 10

Chengdu Ebyte Electronic Technology Co,;Ltd
Pin item
No.
1 GND
2 ANT
3 NC
4 NC
5 NC
6 LNA_ EN
7 PA_EN
8 NC
9 NC
10 NC
11 NC
12 NC
13 NC
14 NC
15
M2
16 GND
17 M1
18 M0
RXD
19
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Pin direction
Ground Ground electrode
Antenna (5 0 Ω characteristic impedance)
Reserved pin Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Internal MCU controlled LNA pin, valid in high level, connect to pin 44
Output
Output Internal MCU controlled PA pin, valid in high level, connect to pin 45
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
Reserved pin
Reserved, to be floated
M2, M1, M0jointly decide the 8 working modes;
Input
An external 1 k protective resistor shall be connected in series when in use.
Ground Ground electrode
M2, M1, M0jointly decide the 8 working modes;
An external 1 k protective resistor shall be connected in series and a 1 M
Input
pull-up resistor shall be added when in use. ( Cannot be floated, it can be
grounded when not used)
M2, M1, M0jointly decide the 8 working modes;
An external 1 k protective resistor shall be connected in series and a 1 M
Input
pull-up resistor shall be added when in use. ( Cannot be floated, it can be
grounded when not used)
TTL serial port input connecting to external TXD pin. It can be configured
Input
as open- drain or high pull input, please refer to Parameter setting. An
external 1 k protective resistor shall be
connected in series when in use
E70-433TxxSx user manual
Application
9