Chengdu Ebyte Electronic Technology Co.,Ltd.
Co
pyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
7
14
NC
-
-
15
GND
-
power reference ground
16
NC
-
-
17
NC
-
-
18
GND
-
power reference ground
19
NC
-
-
20
NC
-
power reference ground
21
GND
-
power reference ground
22
RESET
enter
Input a high level module to enter the hardware reset state,
input a low level module to return to normal working state, this
function is used for reset operation in emergency
23
NC
-
-
24
VCC
enter
Power input 5.0V
25
NC
-
-
26
GND
-
power reference ground
27
GND
-
power reference ground
28
NC
-
-
29
GND
-
power reference ground
30
NC
-
-
31
NC
-
-
32
NC
-
-
33
NC
-
-
34
GND
-
power reference ground
35
GND
-
power reference ground
36
USB_D-
input \ output
D- of other external USB devices
37
GND
-
power reference ground
38
USB_D+
input \ output
D+ connected to other USB devices
39
VCC
enter
Power input 5.0V
40
GND
-
power reference ground
41
VCC
enter
Power input 5.0V
42
NC
-
-
43
GND
-
power reference ground
44
NC
-
-
45
RS232_R
XD
enter
External TXD of other RS232 devices
46
NC
-
-
47
RS232_T
XD
output
RXD connected to other RS232 devices
48
NC
-
-
49
RS485_A
input \ output
A terminal connected to other RS485 devices
50
GND
-
power reference ground
51
RS485_B
input \ output
Connect to the B terminal of other RS485 devices
52
VCC
enter
Power input 5.0V
