SB name
Status
(1)
Function Comment
SB18
OFF
SPI_D/CX connection
Let SPI_D/CX floating
SB19
ON
SPI_MOSI connection
Connect SPI_MOSI to PD4
OFF
Let SPI_MOSI floating
SB20
ON
CN10 pin 19 connection
Connect pin 19 to PD3 (SPI2_MISO)
OFF Isolate pin 19 from PD3 (SPI2_MICO)
SB21
ON
CN10 pin 17 connection
Connect pin 17 to PB12 (SPI2_NSS)
OFF Isolate pin 17 from PB12 (SPI2_NSS)
SB22
ON
CN10 pin 15 connection
Connect pin 15 to PD10 (SAI2_SCK)
OFF Isolate pin 15 from PD10 (SAI2_SCK)
SB23
ON
CN10 pin 15 connection
Connect pin 15 to PB13 (SPI2_SCK)
OFF
Isolate pin 15 from PB13 (SPI2_SCK)
SB24
ON
CN10 pin 13 connection
Connect pin 13 to PD4 (SPI2_MOSI)
OFF
Isolate pin 13 from PD4 (SPI2_MOSI)
SB25
ON
CN10 pin 13 connection
Connect pin 13 to PD11 (SAI2_SDA)
OFF Isolate pin 13 from PD11 (SAI2_SDA)
SB26
ON
5V_VIN connection on
CN9
5V_VIN connected on CN9
OFF 5V_VIN not connected on CN9
SB27
ON
VDD_OCTOSPI
connection
Connect VDD_OCTOSPI to VDD
OFF Isolate VDD_OCTOSPI from VDD
SB28
ON
STLK_MCO connection to
the main MCU
STLK_MCO connected to OSC_IN of main MCU
OFF STLK_MCO is not connected to the main MCU
SB29
ON
VBAT connection
VBAT is connected to VDD_MCU
OFF VBAT not connected to VDD_MCU
SB30
ON
AGND to GND connection
AGND connected to GND close to MCU
OFF AGND disconnected from GND (connect L1 or C37)
SB31
ON
VREFP current
measurement
VREFP is connected to VDDA
OFF VREF is floating
SB32
ON
VDDDSI current
measurement
VDDDSI is connected to VDD_MCU
OFF
VDDDSI is floating
SB33
ON
SDMMC2_D2 connection
to CN9
Connect SDMMC2_D2 (PB3) to CN9
OFF Isolate SDMMC2_D2 (PB3) from CN9
SB34
ON
PB3 connection to T.SWO
Connect PB3 to T.SWO
OFF Isolate PB3 from T.SWO
SB35
ON
VDDUSB connection
Connect VDDUSB to VDD_MCU
OFF Isolate VDDUSB from VDD_MCU
SB36
ON
VDDA connection
VDDA is connected to VDD_MCU
OFF VDDA not connected to VDD_MCU
SB37
ON
VDDUSB connection
Connect VDDUSB to 3V3
OFF Isolate VDDUSB from 3V3
UM2967
Solder bridges
UM2967 - Rev 1
page 51/68
To Next Page
Loading...
Need help?
General
