Chengdu Ebyte Electronic Technology Co., Ltd.
EBT3002 User Manual
Copyright ©2012–2023
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Chengdu Ebyte Electronic Technology Co., Ltd.
21
VREF+
External 3.3V
22
VDDA
External 3.3V
25
TXD2
Serial port 2 sending pin
26
RXD2
Serial port 2 receiving pin
27
VSS_ four
Grounding
28
VDD_ four
External 3.3V
33
TXD8
Serial port 8 sending pin
34
RXD8
Serial port 8 receiving pin
37
BOOT1
Default to pull down
39
D-LED-8
Serial port 8 indicates data transmission and
reception. When the
network cable is not detected after power on, it
defaults to being pulled low. When
there is data transmission and reception, a 100ms cycle
is used, and a 50ms low-level output pulse is used. When
there is no data, a high-level output is used
40
D-LED-7
Serial port 7 data transmission and reception
indication. After
power on, if no network cable is detected, it defaults
to being pulled low.
When there is data transmission and reception, a 100ms
cycle is used, and a 50ms low-level output pulse is
used. When there is no data, a high-level output is used
41
D-LED-6
Serial port 6 data transmission and reception
indication.
After power on, if no network cable is detected, it
defaults to being pulled
low. When there is data transmission and reception, a
100ms cycle is used, and a 50ms low-level output pulse
is used. When there is no data, a high-level output is
used
42
D-LED-5
Serial port 5 data transmission and reception
indication.
After power on, if no network cable is detected, it
defaults to being pulled
low. When there is data transmission and reception, a
100ms cycle is used, and a 50ms low-level output pulse
is used. When there is no data, a high-level output is
used
