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Chengdu Ebyte Electronic Technology Co.,Ltd.
E180-ZG120A User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
1
when power is on. When the pin is pulled down externally, the sleep end device
will be awakened.
10
PD15
Output
AUX pin indicates the current working state of the device. When the pin is low
power, it indicates that the device is busy and the high-level indicates that the
device is idle.
11
PA0(TX)
Output
TX
Serial port send port TX
12
PA1(RX)
Input
RX
Serial port receiving port RX
13
PA2
Input /Output
Reserve
14
PA3
Input /Output
Reserve
15
PA4
Input /Output
Reserve
16
PA5
Input /Output
Reserve
17
PB11
Input
Working mode switching pin, working mode switching when the pull-down
time is greater than 500ms
18
PB12
Input
UART_BAUD_RESET pin is used to reset the baud rate, when power on, the
default is high level, In any mode, if the pin is pulled down for more than
1000ms, the serial port parameters will be restored to the default 115200
19
PB13
Output
ACK pin is used to indicate the status of the last user data transmission. Before
starting the transmission, the pin is pulled down, and after the transmission is
successful, the pin is pulled high
20
GND
Input /Output
Ground, connecting to power source referential ground
21
PB14(GPIO0)
Input /Output
GPIO Input/Output port 0
22
PB15(GPIO1)
Input /Output
GPIO Input/Output Port 1
23
GND
Input /Output
Ground, connecting to power source referential ground
24
GND
Input /Output
Ground, connecting to power source referential ground
25
GND
Input /Output
Ground, connecting to power source referential ground
26
PC6(GPIO2)
Input /Output
GPIO Input/Output port 2
27
PC7(GPIO3)
Input /Output
GPIO Input/Output port 3
28
PC8(ADC1)
Input
ADC Detection port 1
29
PC9(ADC2)
Input
ADC Detection port 2
30
PC10(ADC3)
Input
ADC Detection port 3
31
PC11(ADC4)
Input
ADC Detection port 4
32
SWCLK
Input /Output
DBG_SWCLKTCK
33
SWDIO
Input /Output
DBG_SWDIOTMS
34
PF2(PWM0)
Output
PWM Output port 0
35
PF3(PWM1)
Output
PWM Output port 1
36
PF4(PWM2)
Output
PWM Output port 2
37
PF5(PWM3)
Output
PWM Output port 3
38
PF6(PWM4)
Output
PWM Output port 4
39
PF7
Output
LINK pin indicates the current network status, output high level indicates that
the network has been joined
40
RESETN
Input
Reset pin
41
GND
Input /Output
Ground, connecting to power source referential ground
42
GND
Input /Output
Ground, connecting to power source referential ground