STMicroelectronics 32L4R9IDISCOVERY - Appendix A GPIO Assignment and Sharing; Table 28. 32 L4 R9 IDISCOVERY GPIO Assignment and Sharing

GPIO assignment and sharing UM2271 42/78 DocID030906 Rev 2
Appendix A GPIO assignment and sharing
Table 28. 32L4R9IDISCOVERY GPIO assignment and sharing
Pin GPIO port GPIO primary interface STMod+ interface PMOD interface ARDUINO interface
K3 PA0 - - - ARD_A4 (ADC1_IN5)
M1 PA1 - - - ARD_D5 (TIM5_CH2)
N1 PA2 STLINK_USART2_TX - - -
M2 PA3 STLINK_USART2_RX - - -
N2 PA4
DCMI_HSYNC/DE STMod+_ADC (ADC_1_IN9) - ARD_D7
L3 PA5 -
STMod+_PWM (TIM2_CH1) - ARD_A5 (ADC1_IN10)
L4 PA6 -
STMod+_SPI2_CS //
STMod+_USART3_CTS
(NU)
PMOD_SPI2_CS //
PMOD_USART3_CTS
(NU)
-
M4 PA7 - - - ARD_A0 (ADC1_IN12)
E11 PA8
DSI_SWIRE
(NU)
//
DCMI_CLK (MC0)
-- -
E12 PA9 VBUS - - -
D11 PA10 ID - - -
E13 PA11 DM - - -
D13 PA12 DP - - -
A11 PA13 JTMS/SWDIO - - -
A10 PA14 JTCK/SWCLK - - -
A9 PA15 - STMod+_USART3_RTS
(NU)
PMOD_USART3_RTS
(NU)
-
N4 PB0 DSI_USART3_CK
(NU)
--ARD_A3 (ADC1_IN15)
L5 PB1
DSI_BL_CTRL
(NU)
//
DSI_SWIRE
(NU)
-- -
N5 PB2 MFX_WAKEUP_OUT - - -