Ebyte E70-433T14S2 User Manual page 7

Chengdu Ebyte Electronic Technology Co,, Ltd
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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initialization at power on,
output, please refer to parameter setting par.
resistor shall be connected in series while using (can be floated)
TTL serial port output connecting to external RXD input pin.
configured as open-drain or push-pull
Output
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.
open-drain or high pull
Input
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 pull-
Input
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 pull-
Input
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
E70-433T14S2 user manual
it can be configured as open-drain output or pull-up
An external 1k protective
input, please refer to Parameter setting.
input, please refer to Parameter setting.
LNA_EN
It can be
It can be configured as
An external 1k
0
1
0
6