Ebyte E70-915T14S2/7 Manual page 11

Chengdu Ebyte Electronic Technology Co,;Ltd
4 NC
5 NC
6 LNA_EN
7 PA_EN
8 NC
9 NC
10 NC
11 NC
12 NC
13 NC
14 NC
1
M2
5
16 GND
17 M1
18 M0
RXD
19
20 TXD
21 TMSC
22 TCKC
23 NC
24 NC
25 AUX
26 VCC
27 GND
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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, M0 jointly decide the 8 working modes;
Input
An external 1k protective resistor shall be connected in series when in use.
Ground Ground electrode
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)
TTL serial port input connecting to external TXD pin. It can be configured
as open-drain or high pull input, please refer to Parameter setting. An
Input
external 1k protective resistor shall be
connected in series when in use
TTL serial port output connecting to external RXD input pin. It can be
configured as open-drain or push-pull input, please refer to Parameter
Output
setting. An external 1k protective
resistor shall be connected in series when in use.
Input JTAG TMSC
Input JTAG TCKC
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 MCU, the module outputs low level during self-checking and
initialization at power on, it can be
Output
configured as open-drain output or pull-up output, please refer to
parameter setting par. An external 1k protective resistor shall be connected
in series while using (can be floated)
- voltage：2.1V ~ 3.8V DC
Ground Ground electrode
E70-900TxxSx_user manual
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