Chengdu Ebyte Electronic Technology Co.,Ltd.
Copyright ©2012–2020
Chengdu Ebyte Electronic Technology Co.,Ltd.
18
Can be configured as an open-drain or pull-up input, see parameter settings
14
LNA_EN
output
External LNA control output, active high (floatable).
15
PA_EN
output
External PA control output, active high (floatable).
16
GND
Referential
Ground, connected to the power supply reference ground
17
NC
Keep your feet
Leave unused, need to dangling
18
M2
input
The combination of
M2M1M0 determines the
8 operating modes of the module,
and an external 1K protection resistor
is required in series when used
19
M1
input
The combination of
M2M1M0 determines the
8 operating modes of the module,
and an external 1K protection resistor
is required in series when used
20
M0
input
The combination of
M2M1M0 determines the
8 operating modes of the module,
and an external 1K protection resistor
is required in series when used
3. 5 Precautions
This series of products can achieve pin compatibility,
Pin
to Pin replacement.
The single-chip microcomputer control PA and LNA truth table is as follows:
state
PA_EN
LNA_EN
When launched
1
0
When receiving
0
1
When sleeping
0
0
