ST STM32F3DISCOVERY

UM1570 Rev 7 29/41
UM1570 Hardware layout and configuration
40
PC4 USART1_TX 33
USART1_TX
----------20 -
PC5
G3_IO1,
USART1_RX
34
USART1_RX
----------19 -
PC6
TIM3_CH1,
TIM8_CH1,
I2S2_MCK,
COMP6_OUT
63-----------47 -
PC7
TIM3_CH2,
TIM8_CH2,
I2S3_MCK,
COMP5_OUT
64-----------48 -
PC8
TIM3_CH3,
TIM8_CH3,
COMP3_OUT
65------------47
PC9
TIM3_CH4,
TIM8_CH4_BKIN2,
COMP3_OUT
66------------46
PC10
TIM8_CH1N,
UART4_TX,
SPI3_SCK/I2S3_CK,
USART3_TX
78------------35
PC11
TIM8_CH2N,
UART4_RX,
SPI3_MISO/I2S3_DI
N, USART3_RX
79------------36
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