Ebyte E70-915T14S2/7 Manual page 9

Chengdu Ebyte Electronic Technology Co,;Ltd
17 GND
18 M0
19 M1
20 RXD
21 TXD
22 TMSC
23 TCKC
RESET
24
25 NC
26 NC
27 AUX
28 VCC
29 VCC
30 GND
31 GND
32 NC
33 NC
34 NC
35 NC
36 NC
37 NC
38 NC
39 NC
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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.
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.
when in use.
Input JTAG TMSC
Input JTAG TCKC
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 MCU, the module outputs low level during self-checking and
Output initialization at power on,
pull-up output,
protective 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
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
Reserved pin Reserved, to be floated
input, please refer to Parameter setting.
An external 1k protective resistor shall be connected in series
it can be configured as open-drain output or
please refer to parameter setting par.
E70-900TxxSx_user manual
It can be configured
An
It can be
input, please refer to Parameter
An external 1k
8