Header Pin-Out - Ublox BMD-34 EVK Series User Manual

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
1
2
3
4
5
6
7
8
Table 3: Header J5
UBX-19033356 - R03
Pin name
VSHLD
VSHLD
RESET
VSHLD
5V0
GND
GND
-
Hardware description
BMD-34 EVK - User guide
nRF52840
-
-
P0.18
-
-
-
-
-
Function
+3.3 V Shield Power
+3.3 V Shield Power
RESET_N / GPIO
+3.3 V Shield Power
+5.0 V USB Power
Ground
Ground
No connection
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