ST STM32F3DISCOVERY

UM1570 Rev 7 27/41
UM1570 Hardware layout and configuration
40
PB5
TIM16_BKIN,
TIM3_CH2,
TIM8_CH3N,
I2C1_SMBAL,
SPI1_MOSI,
SPI3_MOSI/I2S3_D
OUT, USART2_CK,
TIM17_CH1
91------------24
PB6
TIM16_CH1N,
TIM4_CH1, G5_IO3,
I2C1_SCL,
TIM8_CH1,
TIM8_ETR_BKIN2,
USART1_TX
92 -
SCL
----------21
PB7
TIM17_CH1N,
TIM4_CH2, G5_IO4,
I2C1_SDA,
TIM8_BKIN,
USART1_RX,
TIM3_CH4
93 -
SDA
----------22
PB8
TIM16_CH1,
TIM4_CH3, SYNCH,
I2C1_SCL,
COMP1_OUT,
CAN_RX,
TIM8_CH2,
TIM1_BKIN
95------------17
PB9
TIM17_CH1,
TIM4_CH4,
I2C1_SDA, IR-OUT,
CAN_TX, TIM8_CH3
96------------18
PB10
TIM2_CH3, SYNCH,
USART3_TX
47-----------34 -
Table 7. STM32F303VCT6 MCU pin description versus board function (continued)
(1)
MCU pin Board function
Main
function
Alternate function
LQFP100 pin number
VCP
LSM303DLHC or LSM303AGR
L3GD20 or I3G4250D
Push-button
LED
SWD
USB
OSC
Free I/O
Power supply
CN3
P1 P2