Chengdu Ebyte Electronic Technology Co., Ltd.
NE2-S1/NE2-S1-TB User Manual
Copyright © 2012–2024 , Chengdu Ebyte Electronic Technology Co., Ltd.
12
data, it is set high and the normal state is low ;
12
NC
Default is left floating;
13
NC
Default is left floating;
14
NC
Default is left floating;
15
RST
External reset input, valid for low level for more than
100ns , internal weak pull-up;
16
NC
Default is left floating;
17
LINK
High : The network cable is not connected;
2Hz square wave : The network cable connection is
normal but the link is not connected ;
Low : The network link is connected successfully;
18
NC
Default is left floating;
19
NC
Default is left floating;
20
I O_RST
Restore factory pin, internal weak pull-up, can be
connected to an external reset button, low level lasts for
about 5~10s to restore factory settings ;
Low level lasts for 200~800ms to restart the device;
21
NC
Default is left floating;
22
TX_LED
The serial port data sending LED indicator light outputs
high level by default and outputs a 10Hz square wave
when sending data;
23
GND
Common ground terminal, negative terminal input of
power supply;
24
VCC 1
DC 3.1~6 V (VCC1) power supply positive input
If the power supply is 5.0V, the VCC pin must be used,
and the load capacity of the 5.0V power supply is
recommended to be above
300mA .
Only one of the two power supply methods can be
selected. Remember
not to supply power with VCC2 at
the same time
;
25
GND
Common ground terminal, negative terminal input of
power supply;
26
RX_LED
The serial port data receiving LED indicator light outputs
high level by default and outputs a 10Hz square wave
when receiving data;
27
NC
Default is left floating;
28
NC
Default is left floating;
29
NC
Default is left floating;
30
NC
Default is left floating;
31
L INKLED
10M PHY indicator, pulls low after PHY negotiation is
successful, and flashes when data is sent and received;
32
S PDLED
100M PHY indicator, pulls low after PHY negotiation is
successful, and flashes when there is data being sent and
received;
