Hardware description
Solder bridge Default Function
SB27 Open Short to connect the RESET button to the RESET pin on the Arduino
interface
SB28 Open Short to connect the RESET pin on the Arduino interface to the
nRF9160 reset pin
SB29 Open Short to connect the RESET pin on the Arduino interface to the
nRF9160 reset pin when the interface MCU is disconnected
SB30 Open Short to connect the RESET pin on the Arduino interface to the
interface MCU Boot when the interface MCU is disconnected
SB31 Open Short to bypass switch U18
SB36 Open Short to connect P0.12 to the SD card reader P2 (not populated by
default)
SB37 Open Short to enable power supply of the external device when using the
Debug out connector (P22)
SB38 Open Short to permanently enable the I
2
C pull-up resistors
SB39 Closed Cut to permanently disable the I
2
C pull-up resistors
SB40 Open Short to bypass switch U24
SB41 Open Short to bypass switch U30
SB43 Open Short to bypass switch U25
SB44 Closed Cut to disconnect the VDD_nRF and VDD nRF' (relates to SB45)
SB45 Closed Cut to disconnect the VDD_nRF and VDD nRF' (relates to SB44)
SB46 Closed Cut to disconnect the VSUPPLY and VDD_nRF'
SB49 Closed Cut to disconnect VDD and VIO
Table 7: Solder bridge configuration
4418_1216 v0.7
30
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