UM2140 Rev 3
35/48
UM2140
32F723EDISCOVERY Discovery board I/O assignment
47
Appendix A
32F723EDISCOVERY Discovery board I/O
assignment
Table 19. I/O assignment
Pin
number
Pin
Function
Label
A1
PE3
GPIO_Output
ARD_D7_GPIO
A2
PE2
QUADSPI_BK1_IO2
-
A3
PE1
FMC_NBL1
-
A4
PE0
FMC_NBL0
-
A5
PB8
I2C1_SCL
-
A6
PB5
SPI1_MOSI
ARD_D11_TIM3_CH2_SPI1_MOSI
A7
PG14
GPIO_Output
WIFI_RST
A8
PG13
GPIO_Output
WIFI_GPIO_0
A9
PB4
SPI1_MISO
ARD_D12_SPI1_MISO
A10
PB3
SYS_JTDO-SWO
-
A11
PD7
FMC_NE1
-
A12
PC12
UART5_TX
UART_TXD_WIFI_RX
A13
PA15
TIM2_CH1
STMOD+_TIM2_CH1_2_ETR
A14
PA14
SYS_JTCK-SWCLK
-
A15
PA13
SYS_JTMS-SWDIO
-
B1
PE4
GPIO_Output
ARD_D8_GPIO
B2
PE5
TIM9_CH1
ARD_D3_TIM9_CH1
B3
PE6
TIM9_CH2
ARD_D6_TIM9_CH2
B4
PB9
I2C1_SDA
-
B5
PB7
FMC_NL
-
B6
PB6
QUADSPI_BK1_NCS
-
B7
PG15
GPIO_EXTI15
SAI2_INT
B8
PG12
GPIO_Output
PMOD_GPIO_0
B10
PG10
SAI2_SD_B
-
B11
PD6
GPIO_Output
WIFI_GPIO_2
B12
PD0
FMC_D2
-
B13
PC11
GPIO_Output
STMOD+_UART4_RXD_s
B14
PC10
QUADSPI_BK1_IO1
-
B15
PA12
USB_OTG_FS_DP
-
C2
PI7
SAI2_FS_A
-
C3
PI6
SAI2_SD_A
-