CC1310 Wireless Module
E70 Series User Manual
Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd.
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3.2.2 Pin Definition
No.
Pin item
Pin direction
Application
1
GND
Ground
Ground electrode
2
ANT
Ground
Antenna (50Ω characteristic impedance)
4
NC
Reserved pin
Reserved, to be floated
5
NC
Reserved pin
Reserved, to be floated
6
LNA_EN
Output
Internal MCU controlled LNA pin, valid in high level, connect to pin 44
7
PA_EN
Output
Internal MCU controlled PA pin, valid in high level, connect to pin 45
8
NC
Reserved pin
Reserved, to be floated
9
NC
Reserved pin
Reserved, to be floated
10
NC
Reserved pin
Reserved, to be floated
11
NC
Reserved pin
Reserved, to be floated
12
NC
Reserved pin
Reserved, to be floated
13
NC
Reserved pin
Reserved, to be floated
14
NC
Reserved pin
Reserved, to be floated
15
M2
Input
M2, M1, M0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series when in use.
16
GND
Ground
Ground electrode
17
M1
Input
M2, M1, M0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series and a 1M pull-up resistor
shall be added when in use.
(Cannot be floated, it can be grounded when not used)
18
M0
Input
M2, M1, M0 jointly decide the 8 working modes;
An external 1k protective resistor shall be connected in series and a 1M pull-up resistor
shall be added when in use.
(Cannot be floated, it can be grounded when not used)
19
RXD
Input
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 external 1k protective resistor shall be
connected in series when in use.
20
TXD
Output
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 setting.
An external 1k protective
resistor shall be connected in series when in use.
21
TMSC
Input
JTAG TMSC
22
TCKC
Input
JTAG TCKC
23
NC
Reserved pin
Reserved, to be floated
24
NC
Reserved pin
Reserved, to be floated
25
AUX
Output
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
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)
26
VCC
-
Power positive reference,
Power supply 2.1V ~ 3.8V DC