UM2271 GPIO assignment and sharing
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A13 PH14 DSI_SPI_USART_CS
(NU)
-- -
B12 PH15 - - - ARD_D8
A12 PI0 - - - ARD_D10 (SPI2_NSS_TIM5_CH4)
B11 PI1 MFX_INT_IN - - -
B10 PI2 - STMod+_SPI2_MISOs - -
C10 PI3 - STMod+_SPI2_MOSIs - -
D10 PI4 DCMI_D5 - - -
E10 PI5 DCMI_VSYNC/RDY - - -
B9 PI6 OCTOSPIM_P2_CLK - - -
B2 PI7
DCMI_D7 STMod+_RST PMOD_RST -
B1 PI9 OCTOSPIM_P2_IO2 - - -
A1 PI10 OCTOSPIM_P2_IO1 - - -
C3 PI11 OCTOSPIM_P2_IO0 - - -
Legend:
or = Indicate shared or exclusive functions or interfaces on a GPIO port
(NU) = Function mode which is not usable by default
// = Highlights two exclusive functions available for one interface
(xxx) = Name of the STM32L4R9AI GPIO Alternate function used on this interface
Table 28. 32L4R9IDISCOVERY GPIO assignment and sharing (continued)
Pin GPIO port GPIO primary interface STMod+ interface PMOD interface ARDUINO interface
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