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Chengdu Ebyte Electronic Technology Co., Ltd.
Pin No.
Name
1
GND
2
P0.10
3
P0.09
4
P1.04
5
P1.02
6
P1.00
7
P1.07
8
P1.01
9
P0.24
10
P0.22
11
P0.20
12
P0.17
13
P0.15
14
P0.13
15
P0.14
16
VBUS
17
VDD
18
GND
19
P0.04
20
P0.26
21
P0.11
22
P0.31
23
P0.29
24
P0.02
25
P1.15
26
P1.13
27
P1.11
28
P1.10
29
GND
30
GND
31
V
32
R
33
D
34
C
35
G
36
RST
37
SW
38
LED1
39
LED
40
G
41
D+
42
D-
Copyright©2020, Chengdu Ebyte Electronic Technology Co., Ltd.
Direction
—
Power Ground
J24
See nRF52840 chipset datasheet
L24
See nRF52840 chipset datasheet
U24
See nRF52840 chipset datasheet
W24
See nRF52840 chipset datasheet
AD22
See nRF52840 chipset datasheet
P23
See nRF52840 chipset datasheet
Y23
See nRF52840 chipset datasheet
AD20
See nRF52840 chipset datasheet
AD18
See nRF52840 chipset datasheet
AD16
See nRF52840 chipset datasheet
AD12
See nRF52840 chipset datasheet
AD10
See nRF52840 chipset datasheet
AD8
See nRF52840 chipset datasheet
AC9
See nRF52840 chipset datasheet
USB5V
This interface cannot be powered at the same time as the USB interface, the maximum is 5.5V
—
Chip power supply pin, maximum 3.6V, cannot be supplied with USB power supply at the same time
—
Power Ground
J1
See nRF52840 chipset datasheet
G1
See nRF52840 chipset datasheet
B19
See nRF52840 chipset datasheet
A8
See nRF52840 chipset datasheet
A10
See nRF52840 chipset datasheet
A12
See nRF52840 chipset datasheet
A14
See nRF52840 chipset datasheet
A16
See nRF52840 chipset datasheet
B19
See nRF52840 chipset datasheet
A20
See nRF52840 chipset datasheet
—
Power Ground
—
Power Ground
VDD
RESET
SWDIO
Download interface, try to avoid USB and VDD supplying power at the same time
SWCLK
GND
RESET
Reset button.
P1.06
function button
RGB LED
R (red): P0.08; G (green): P1.09; B (blue): P0.12;
LED
P0.06
GND
USB Test Port
E104-BT5040U Datasheet
Functions
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