Hardware layout and configuration UM2407
30/50 UM2407 Rev 2
SB14 (SDMMC_D0),
SB15 (SDMMC_D1)
ON These pins are connected to ST morpho connector CN12.
OFF
These pins are disconnected from ST morpho connector
CN12 to avoid stub of SDMMC data signals on PCB.
SB39, SB47
(LD1-LED)
ON, OFF Green user LED LD1 is connected to PB0.
OFF, ON
Green user LED LD1 is connected to D13 of ARDUINO
®
signal (PA5).
OFF, OFF Green user LED LD1 is not connected.
ON, ON Forbidden
SB33, SB35
(D11)
OFF, ON
D11 (Pin 14 of CN7) is connected to STM32H7 PB5
(SPI_A_MOSI/ TIM_D_PWM2)
ON, OFF
D11 (Pin 14 of CN7) is connected to STM32H7 PA7
(SPI_A_MOSI/ TIM_E_PWM1)
SB40,SB41
(X2 crystal)
OFF, OFF
PC14, PC15 are not connected to ST morpho connector
CN11.
(X2 used to generate 32 kHz clock).
ON, ON
PC14, PC15 are connected to ST morpho connector CN11.
(R38 and R39 must be removed).
SB44 (PF1/PH1)
SB46 (PF0/PH0)
(Main clock)
ON, OFF
PF0/PH0 is not connected to ST morpho connector CN11
PF1/PH1 is connected to ST morpho connector CN11
(MCO is used as the main clock for STM32H7 on PF0/PH0 –
SB45 ON).
OFF, OFF
PF0/PH0, PF1/PH1 are not connected to ST morpho
connector CN11
(X3, C69, C70, SB3, and SB4 provide a clock. In this case,
SB45 must be removed).
ON, ON
PF0/PH0 and PF1/PH1 are connected to ST morpho
connector CN11.
(SB3, SB4, and SB45 must be removed).
SB45
(STLK_MCO)
ON
MCO of ST-LINK (STM32F723IEK6) is connected to
PF0/PH0 of STM32H7.
OFF
MCO of ST-LINK (STM32F723IEK6) is not connected to
PF0/PH0 of STM32H7.
SB3, SB4
(external 25M crystal)
OFF, OFF
PF0/PH0 and PF1/PH1 are not connected to external
25 MHz crystal X3.
ON, ON
PF0/PH0 and PF1/PH1 are connected to external 25 MHz
crystal X3.
SB52
(V
BAT
)
ON V
BAT
pin of STM32H7 is connected to V
DD_MCU
.
OFF V
BAT
pin of STM32H7 is not connected to V
DD_MCU
.
Table 14. Solder bridge and jumper configuration (continued)
Bridge State
(1)
Description
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