Hardware description
Solder bridge Default Function
SB51 Closed Cut to disconnect the nRF5340 RTS line from the signal switch and
interface MCU
SB52 Closed Cut to disconnect the nRF5340 RxD line from the signal switch and
the interface MCU
SB53 Closed Cut to disconnect the nRF5340 TxD line from the signal switch and
interface MCU
SB54 Closed Cut to disconnect the nRF5340 SWDIO line from the signal switch and
interface MCU
SB55 Closed Cut to disconnect the nRF5340 SWDCLK line from the signal switch
and interface MCU
SB56 Closed Cut to disconnect the nRF5340 RESET line from the signal switch and
interface MCU
SB57 Closed Cut to disconnect the nRF5340 SWO line from the signal switch and
the interface MCU
SB58 Closed Cut to disconnect voltage follower from external supply when SW10
is in ON position
SB59 Open Solder to connect debug in and trace reference voltage to VDD
SB60 Closed Cut to disconnect debug in and trace reference voltage from
VDD_nRF'
SB80 Open Short to bypass the power switch for the VBUS of nRF5340
SB81 Open Short to bypass the power switch for the VDD_HV of nRF5340
Table 10: Solder bridge configuration
The following table is a complete overview of the test points on the nRF5340 DK.
4406_638
35
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