Ebyte E70-433T S Series User Manual page 12

Chengdu Ebyte Electronic Technology Co,;Ltd
1、2、3 GND
4、5、6、7 NC
8 VCC
9、10 GND
11 PA_EN
12 LNA_EN
13 M2
14 RESET
15 GND
16 AUX
17 TXD
18 TCKC
19 TMSC
20 RXD
21 M1
22 M0
23 GND
24 ANT
This product can achieve Pin compatibility, Pin to Pin replacement

The single-chip microcomputer control PA LNA truth value table is as follows：

Transmitting
Receiving
Sleeping
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Ground Ground electrode
Reserved pin Reserved, to be floated
Voltage ：2.2V ~ 3.8V DC
Ground Ground electrode
Reserved pin Internal MCU controlled LNA pin, valid in high level, connect to pin 44
Reserved pin Internal MCU controlled PA pin, valid in high level, connect to pin 45
M2, M1, M0 jointly decide the 8 working modes;
Input
An external 1k protective resistor shall be connected in series when in use.
Input Reset pin, valid in low level
Ground Ground electrode
It is used to indicate the operation status of module, for user to wake up the
external MCU, the module outputs low level during self-checking and
output initialization at power on,
output,
resistor shall be connected in series while using (can be floated)
TTL serial port output connecting to external RXD input pin.
Output configured as open-drain or push-pull
An external 1k protective resistor shall be connected in series when in use.
Input JTAG TCKC
Input JTAG TMSC
TTL serial port input connecting to external TXD pin.
Input open-drain or high pull
protective resistor shall be connected in series when in use.
M2, M1, M0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series and a 1M
Input
pull-up resistor shall be added when in use.
(Cannot be floated, it can be grounded when not used)
M2, M1, M0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series and a 1M
Input
pull-up resistor shall be added when in use.
(Cannot be floated, it can be grounded when not used)
Ground Ground electrode
Antenna (50Ω characteristic impedance)
PA_EN
1
0
0
it can be configured as open-drain output or pull-up
please refer to parameter setting par.
input, please refer to Parameter setting.
0
1
0
E70-433TxxSx user manual
An external 1k protective
It can be
input, please refer to Parameter setting.
It can be configured as
An external 1k
LNA_EN
11