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Capteurs et bus internes

Bus I2C interne (I2C1)​

Le bus I2C1 connecte les capteurs internes, la jauge de batterie et l'expandeur GPIO.

SignalPin STM32WB55Pin STM32F103
I2C1_SCLPB8PB6
I2C1_SDAPB9PB7

Peripheriques sur I2C1​

PeripheriqueComposantFonction
ISM330DLCTRAccelerometre/Gyroscope6 axes + temperature
LIS2MDLTRMagnetometre3 axes
VL53L1CXV0FY/1Capteur de distanceTime-of-Flight
APDS-9960Capteur optiqueLumiere, couleur, geste, proximite
2511020213301Capteur de pressionBarometre absolu
2525020210001Capteur humidite/temperatureHumidite + temperature
BQ27441DRZR-G1AJauge de batterieEtat de charge
MCP23009-E/MGExpandeur GPIO8 GPIO supplementaires

Bus SPI interne (SPI1) - Ecran OLED​

SignalPin STM32WB55Test Point
SPI1_SCK_OLEDPA1TP22
SPI1_MOSI_OLEDPB5TP23
C_OLED_OR_SPI1_MISOPB4TP24
CS_OLEDPD0TP20
RST_OLEDPA12TP21

Signaux d'interruption des capteurs​

SignalPin STM32WB55CapteurTest Point
INT_ACCPC13ISM330DLCTR (Accelerometre)TP28
INT_MAGPD1LIS2MDLTR (Magnetometre)TP29
INT_DISTPB12VL53L1X (Distance)TP27
INT_PRESSURE-WSEN-PADS (Pression)TP30
INT_TEMPERATURE-WSEN-HIDS (Temperature)TP31
INT_PROXIMITY-APDS-9960 (Proximite)TP32
INT_TEMPERATURE_HUMIDITY_BOSH-Bosch (Temperature)TP45

Expandeur GPIO (MCP23009)​

SignalPin STM32WB55Test Point
RST_EXPANDERPB1TP18
INT_EXPANDERPB0TP19

Microphone​

SignalPin STM32WB55
MICRO_DATA (MIC_IN)PA10
MICRO_CLK (MIC_CLK)PA3

Buzzer​

SignalPin STM32WB55Test Point
BEEPER_OUT (SPEAKER)PA11TP70

Communication serie (STM32WB55 - STM32F103)​

SignalPin STM32WB55Test Point
T_UART2_TX (SERIAL_TX)PB11TP44
T_UART2_RX (SERIAL_RX)PB10TP43
SignalPin STM32WB55Pin STM32F103
ON/OFF_+3V3_STLINKPB2PB2