BMD-34 EVK - User guide
UBX-19033356 - R03
Hardware description
Page 13 of 20
Figure 12: GPIO jumpers
2.12
Header pin-out
Headers J5 - J9 and J11 break out the IO signals from the BMD-34 module on 2.54 mm pitch
headers.
Figure 13: BMD-340 evaluation board pin-out
⚠
The I/O pins of the BMD-34 EVK are not 5 V tolerant. Arduino Uno® style shields shall be
configured to use +3.3 V DC (VSHLD) as the I/O voltage reference.
The tables below are presented in order of the headers on the BMD-34-eval boards.
Pin
Pin name
nRF52840
Function
1
VSHLD
-
+3.3 V Shield Power
2
VSHLD
-
+3.3 V Shield Power
3
RESET
P0.18
RESET_N / GPIO
4
VSHLD
-
+3.3 V Shield Power
5
5V0
-
+5.0 V USB Power
6
GND
-
Ground
7
GND
-
Ground
8
-
-
No connection
Table 3: Header J5
