STMicroelectronics 32L4R9IDISCOVERY - Page 45

UM2271 GPIO assignment and sharing
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E4 PE5 SAI1_SCK_A - - -
E3 PE6 SAI1_SD_A - - -
L7 PE7 PSRAM_D4 - - -
K6 PE8 PSRAM_D5 - - -
J6 PE9 PSRAM_D6 - - -
H6 PE10 PSRAM_D7 - - -
N8 PE11 PSRAM_D8 - - -
M8 PE12 PSRAM_D9 - - -
L8 PE13 PSRAM_D10 - - -
K7 PE14 PSRAM_D11 - - -
J7 PE15 PSRAM_D12 - - -
F5 PF0 PSRAM_A0 - - -
F4 PF1 PSRAM_A1 - - -
F3 PF2 PSRAM_A2 - - -
G3 PF3 PSRAM_A3 - - -
G4 PF4 PSRAM_A4 - - -
G5 PF5 PSRAM_A5 - - -
H4 PF10 - - - ARD_D3 (TIM15_CH2)
M5 PF11 DSI_TE - - -
N6 PF12 PSRAM_A6 - - -
M6 PF13 PSRAM_A7 - - -
L6 PF14 PSRAM_A8 - - -
K5 PF15 PSRAM_A9 - - -
J5 PG0 PSRAM_A10 - - -
H5 PG1 PSRAM_A11 - - -
Table 28. 32L4R9IDISCOVERY GPIO assignment and sharing (continued)
Pin GPIO port GPIO primary interface STMod+ interface PMOD interface ARDUINO interface