Chengdu Ebyte Electronic Technology Co.,Ltd.
E180-ZG120B User Manual
Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd.
10
1000ms, the serial port parameters of the module will be restored to the default
115200.
11
PB13
Output
The ACK pin is used to indicate the last user data transmission status. This pin
is pulled low before the transmission is started, and the pin is pulled high after
the transmission is successful.
12
PB14(GPIO0)
Input /Output
GPIO input/output port 0
13
VCC
14
GND
15
PB15(GPIO1)
Input /Output
GPIO input/output port 1
16
PA5
Input /Output
Reserve
17
PA3
Input /Output
Reserve
18
PD15
Output
AUX pin indicates the current working state of the device. When the pin is low,
it indicates that the device is busy, and high indicates that the device is idle.
19
PC6(GPIO2)
Input /Output
GPIO input/output port 2
20
PC7(GPIO3)
Input /Output
GPIO input/output port 3
21
PC8(ADC1)
Input
ADC Detection port 1
22
PC9(ADC2)
Input
ADC Detection port 2
23
PC10(ADC3)
Input
ADC Detection port 3
24
PC11(ADC4)
Input
ADC Detection port 4
25
SWCLK
Input /Output
DBG_SWCLKTCK
26
SWDIO
Input /Output
DBG_SWDIOTMS
27
PF2(PWM0)
Output
PWM output port 0
28
PF4(PWM2)
Output
PWM output port 2
29
PF5(PWM3)
Output
PWM output port 3
30
PF7
Output
LINK pin shows current network state, high level means access to network
31
PF6(PWM4)
Output
PWM output port 4
32
PF3(PWM1)
Output
PWM output port 1
33
PD12
Input /Output
Reserve
34
PD11
Input /Output
Reserve
35
PD10
Input /Output
Reserve
36
GND
Input /Output
Ground
37
nRESET
Output
Reset
4. Operation mode
4.1 Transmission mode
When the module enters the transmission mode, any data received by the serial port will be sent out by wireless. The
transmission mode is wireless communication between network nodes, including unicast, broadcast, multicast, etc.