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UM1570 Rev 7 27/41

UM1570 Hardware layout and configuration

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

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ST STM32F3DISCOVERY Specifications

General

Microcontroller	STM32F303VCT6
Core	ARM Cortex-M4
Clock Speed	72 MHz
Flash Memory	256 KB
SRAM	48 KB
GPIO Pins	Up to 80
On-Board Debugging	ST-LINK/V2
Audio DAC	Yes
Audio Class D Amplifier	Yes
User Buttons	2
Extension Headers	Yes
Operating Voltage	3.3V
Debug Interface	SWD
USB	USB 2.0
Power Supply	5V
Accelerometer	LIS302DL
Gyroscope	L3GD20
e-Compass	No
LEDs	8
DAC	2 channels
Communication Interfaces	I2C, SPI, USART
Magnetometer	Yes
DAC Channels	2x 12-bit DAC channels