STMicroelectronics STM32H7 Nucleo-144 User Manual page 32

Hardware layout and configuration
Bridge
SB75
(PA0)
RMII Signals
SB57 (PA1), SB64
(PC1),
SB72 (PA2), SB36
(PC4),
SB29 (PC5), SB30
(PG13), SB27 (PG11),
SB31 (PA7), JP6
(PB13)
SB74 (Ethernet nRST)
RMII Signal
SB76 (PG7)
SB77 (PD10)
SB23 (PA9)
SB24 (PA10)
SB21 (PA11), SB22
(PA12)
SB13
SB25
SB59 (PG6)
SB63 (PB2)
32/48
Table 14. Solder bridge and jumper configuration (continued)
(1)
State
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
UM2407 Rev 1
PA0 is connected to ST Zio connector (Pin 29 of CN10).
PA0 is not connected to ST Zio connector (Pin 29 of CN10).
These pins are used as RMII signals and connected to
Ethernet PHY.
(SB7 must be removed)
These pins must not be used on ST morpho or ST Zio
connectors.
These pins can be used as GPIOs on ST morpho connectors.
PB13 can be used as I2S_A_CK on ST Zio (Pin 5 of CN7) if
not used on ST morpho.
NRST of STM32H7 is connected to Ethernet PHY (U15).
NRST of STM32H7 is not connected to Ethernet PHY (U15).
USB overcurrent alarm is connected.
USB overcurrent alarm is not connected. PG7 is used as
GPIO on ST morpho connector (CN12).
PD10 is connected to Enable for Power switch (U18) to
control V .
BUS
PD10 is used as GPIO on ST morpho connector (CN12).
PA9 is connected to USB V
PA9 is not connected to USB V
PA9 is used as GPIO on ST morpho connector (CN12).
PA10 is connected to USB ID.
PA10 is not connected to USB ID.
PA10 is used as GPIO on ST morpho connector (CN12).
These pins are used as D- and D+ on USB connector CN13.
(SB16 and SB17 must be OFF).
These pins are used as GPIOs on ST morpho connectors.
VDD33_USB_1 is connected to 3V3_VDD.
VDD33_USB_1 is not supplied.
VDD_MMC_1 is connected to VDD_MCU.
VDD_MMC_1 is not supplied.
PG6 is connected to QSPI_CS (SB61 must be OFF).
PG6 is used as GPIO on ST morpho connector (CN12).
PB2 is connected to QSPI_CLK. (SB69 must be OFF)
PB2 is not connected to QSPI_CLK and can be used as
COMP1_INP (SB69 ON) or used as GPIO on ST morpho
connector CN12. (SB69 OFF)
Description
.
BUS
.
BUS
UM2407