Data Sheet

BMD-380 - Data sheet
UBX-19039467 - R06 Pin definition Page 9 of 36
2 Pin definition
2.1 Pin assignment
Figure 2: BMD-380 pin assignment (Top view)
Pin
Name
Direction
Description
nRF52 pin
Remarks
1
GND
Power
Electrical Ground
2
GND
Power
Electrical Ground
3
GND
Power
Electrical Ground
4
SWCLK
In
SWD Clock
SWCLK
5
GND
Power
Electrical Ground
6
P0.22
In/Out
GPIO
P0.22
7
SWDIO
In/Out
SWD IO
SWDIO
8
P0.25
In/Out
GPIO
P0.25
9
P0.19
In/Out
GPIO
P0.19
10
P0.21
In/Out
GPIO
P0.21
11
P1.00
In/Out
GPIO/TRACEDATA[0]/SWO
P1.00
12
P0.18
In/Out
GPIO/RESET
P0.18
13
P0.17
In/Out
GPIO
P0.17
14
P0.20
In/Out
GPIO
P0.20
15
VBUS
Power
USB PHY supply: 4.35 V to 5.5 V
in Connect to USB Host device
5 V supply
VBUS
16
P0.14
In/Out
GPIO
P0.14
17
P0.13
In/Out
GPIO
P0.13
18
P0.11
In/Out
GPIO/TRACEDATA[2]
P0.11
19
USB-D-
In/Out
USB Data -
USB-D-
20
P0.15
In/Out
GPIO
P0.15
21
USB-D+
In/Out
USB Data +
USB-D+
22
VCCH
Power
LV Mode: Connect to VCC
HV Mode: 2.5 V to 5.5 V in
VDDH
The module has an internal 4.7 µF bulk capacitor.
However, it is good design practice to add additional
bulk capacitance as required for your application,
i.e. for heavy GPIO usage and/or current draw.
23
GND
Power
Electrical Ground