STM32F0DISCOVERY datasheet(30/41 Pages) STMICROELECTRONICS

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Connecting modules on the prototyping board

UM1525

30/41

Doc ID 022910 Rev 2

5.2

ST MEMS “adapter boards”, standard DIL24 socket

STMicroelectronics has defined a standard DIL24 connector to easily evaluate its MEMS

sensors connected to a microcontroller through SPI or I2C communications.

Table 9 is one solution for connecting the DIL24 boards to the STM32F0DISCOVERY, this

solution is used in different examples and available at www.st.com/stm32f0discovery.

Table 9.

Connecting with a DIL24 board

ST MEMS DIL24 Eval board

STM32F0DISCOVERY

P01

VDD Power supply

VDD

P02

Vdd_IO Power supply for I/O pins

VDD

P03

P04

P05

P06

P07

P08

P09

P10

P11

P12

P13

GND 0V supply

GND

P14

INT1 Inertial interrupt 1

PB12

GPIO INPUT EXTI (5V tolerant)

P15

INT2 inertial interrupt 2

PB11

GPIO INPUT EXTI (5V tolerant)

P16

P17

P18

P19

CS - 0:SPI enabled 1:I2C mode

PA11

GPIO OUTPUT (5V tolerant)

P20

SCL (I2C serial clock)

SPC (SPI serial clock)

PB6

PB3

I2C1_SCL

SPI1_SCK

P21

SDA I2C Serial Data

SDI SPI Serial Data Input

PB7

PB5

I2C1_SDA

SPI1_MOSI

P22

SDO SPI Serial Data Output

I2C less significant bit of the device address

PB4

SPI1_MISO

P23

P24

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