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