The nRF7002 DK has a range of solder bridges for enabling or disabling functionality on the Development Kit (DK). Changes to these are not needed for normal use of the DK.
The following table gives an overview of the solder bridges on the nRF7002 DK.
| Solder bridge | Default | Function |
|---|---|---|
| SB1 | Closed | Cut to disconnect the 32.768 kHz on P0.01 |
| SB2 | Closed | Cut to disconnect the 32.768 kHz on P0.00 |
| SB3 | Open | Short to enable P0.01 as normal GPIO |
| SB4 | Open | Short to enable P0.00 as normal GPIO |
| SB5 | Closed | Cut to disconnect LED1 |
| SB6 | Closed | Cut to disconnect LED2 |
| SB7 | Closed | Cut to disconnect BUCK_EN. Refer to Tracing instructions |
| SB8 | Closed | Cut to disconnect external memory from VDD |
| SB9 | Open | Short to connect BUCK_EN to alternative IO. Refer to Tracing instructions |
| SB10 | Open | Short to connect External Memory to VDD_MEAS |
| SB11 | Open | Short to connect P0.08 to headers |
| SB12 | Open | Short to connect P0.09 to headers |
| SB13 | Open | Short to connect P0.10 to headers |
| SB14 | Open | Short to connect P0.11 to headers |
| SB16 | Closed | Cut to disconnect nRF5340 SoC from VDD |
| SB17 | Open | Short to connect nRF5340 SoC to VDD_MEAS |
| SB19 | Open | Short to enable voltage follower of the external device when using the debug out connector |
| SB20 | Open | Short to connect P0.16 to the P24 header |
| SB21 | Open | Short to connect P0.17 to the P24 header |
| SB22 | Open | Short to connect P0.13 to the P24 header |
| SB23 | Open | Short to connect P0.18 to the P24 header |
| SB24 | Open | Short to connect P0.14 to the P24 header |
| SB25 | Open | Short to connect P0.15 to the P24 header |
| SB26 | Open | Short to enable the pull-up resistor of the BOOT/RESET line |
| SB27 | Closed | Cut to disconnect the nRF5340 UART1 line from the signal switch and interface MCU |
| SB28 | Closed | Cut to disconnect the nRF5340 UART1 line from the signal switch and interface MCU |
| SB29 | Closed | Cut to disconnect the nRF5340 UART1 line from the signal switch and the interface MCU |
| SB30 | Closed | Cut to disconnect the nRF5340 UART1 line from the signal switch and interface MCU |
| SB31 | Open | Short to bypass the USB detect switch |
| SB32 | Open | Short to permanently enable the I2C pull-up resistors |
| SB33 | Closed | Cut to permanently disable the I2C pull-up resistors |
| SB37 | Open | Short to bypass the interface MCU power switch |
| SB38 | Closed | Cut to disable VDD power to the Arduino interface |
| SB39 | Open | Short to bypass the power switch for regulator or external supply |
| SB42 | Closed | Cut to disconnect IF Boot/Reset button from nRF5340 reset pin when the interface MCU is disconnected |
| SB43 | Open | Short to connect IF Boot/Reset button to RESET pin on the Arduino interface |
| SB44 | Open | Short to connect the RESET pin on the Arduino interface to the nRF5340 reset pin |
| SB45 | Open | Short to connect the RESET pin on the Arduino interface to the interface nRF5340 reset pin when the interface MCU is disconnected |
| SB46 | Open | Short to connect the RESET pin on the Arduino interface to the interface MCU Boot when the interface MCU is disconnected |
| SB47 | Open | Short to enable power supply of the external device when using the debug out connector |
| SB48 | Open | Short to bypass the interface MCU USB power switch |
| SB50 | Closed | Cut to disconnect the nRF5340 UART2 line from the signal switch and interface MCU |
| SB51 | Closed | Cut to disconnect the nRF5340 UART2 line from the signal switch and interface MCU |
| SB52 | Closed | Cut to disconnect the nRF5340 UART2 line from the signal switch and the interface MCU |
| SB53 | Closed | Cut to disconnect the nRF5340 UART2 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 |
| SB59 | Closed | Cut to disconnect debug in and trace reference voltage to VDD |
| SB60 | Open | Solder to connect debug in and trace reference voltage to VDD_MEAS |
| SB80 | Open | Short to bypass the power switch for the VBUS of nRF5340 |