Ebyte E70-433T30S User Manual page 7

Chengdu Ebyte Electronic Technology Co,;Ltd
11
LNA_EN
12
PA_EN
13
NC
14
NC
15
NC
16
M 2
17
GND
18
M 0
19
M 1
20
RXD
21
TXD
22
TCKC
23
TM SC
24
RESET
25
NC
26
NC
27
AUX
28
VCC
29
VCC
30
GND
31
GND
Chengdu Ebyte Electronic Technology Co,;Ltd
Copyright ©2012–2019，
Output Internal M CU controlled LNA pin, valid in high level, connect to pin 44
Output Internal M CU 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
M 2, M 1, M 0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series when in use.
Input
Ground Ground electrode
M 2, M 1, M 0 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)
M 2, M 1, M 0 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)
TTL serial port input connecting to external TXD pin.
Input as open-drain or high pull
external 1k protective resistor shall be connected in series when in use.
TTL serial port output connecting to external RXD input pin.
configured as open-drain or push-pull
Output
setting.
in use.
Input
JTAG TCKC
Input
JTAG TM SC
Input
Reset pin, valid in low level
Reserved pin Reserved, to be floated
Reserved pin Reserved, to be floated
It is used to indicate the operation status of module, for user to wake up the
external M CU, the module outputs low level during self-checking and
Output initialization at power on,
up output,
resistor shall be connected in series while using (can be floated)
Power positive reference,
-
Power supply 2.6V ~ 5.5V DC
Power positive reference,
-
Power supply 2.6V ~ 5.5V DC
Ground Ground electrode
Ground Ground electrode
input, please refer to Parameter setting.
An external 1k protective resistor shall be connected in series when
it can be configured as open-drain output or pull-
please refer to parameter setting par.
E70-433T30S user manual
It can be configured
An
It can be
input, please refer to Parameter
An external 1k protective
6