STMicroelectronics 32L4R9IDISCOVERY - Page 44

GPIO assignment and sharing UM2271 44/78 DocID030906 Rev 2
E1 PC13 JOY_SEL // WAKEUP - - -
F1 PC14-OSC32_IN PC14-OSC32_IN - - -
G1
PC15-
OSC32_OUT
PC15-OSC32_OUT - - -
B8 PD0 PSRAM_D2 - - -
C8 PD1 PSRAM_D3 - - -
D8 PD2 SDMMC_1_CMD - - -
E8 PD3 PSRAM_CLK - - -
C7 PD4 PSRAM_NOE - - -
D7 PD5 PSRAM_NWE - - -
E7 PD6 PSRAM_NWAIT - - -
F7 PD7 PSRAM_NE1 - - -
K10 PD8 PSRAM_D13 - - -
K9 PD9 PSRAM_D14 - - -
J10 PD10 PSRAM_D15 - - -
J9 PD11 PSRAM_A16 - - -
J8 PD12 PSRAM_A17 - - -
H8 PD13 PSRAM_A18 - - -
H11 PD14 PSRAM_D0 - - -
H10 PD15 PSRAM_D1 - - -
A4 PE0 PSRAM_NBL0 - - -
B4 PE1 PSRAM_NBL1 - - -
D3 PE2 SAI1_MCLK_A - - -
D2 PE3 PSRAM_A19 - - -
D1 PE4
PSRAM_A20
(NU)
// DCMI_D4 - - -
Table 28. 32L4R9IDISCOVERY GPIO assignment and sharing (continued)
Pin GPIO port GPIO primary interface STMod+ interface PMOD interface ARDUINO interface