UM2777 datasheet(40/44 Pages) STMICROELECTRONICS

40 / 44 page

Contents

STWIN kit components ............................................................2

Functional blocks..................................................................4

2.1

Sensing ...................................................................... 4

2.1.1

LPS22HH MEMS pressure sensor ........................................... 5

2.1.2

STTS751 digital temperature sensor.......................................... 5

2.1.3

TS922 rail-to-rail, high output current, dual operational amplifier..................... 6

2.1.4

ISM330DHCX iNEMO IMU 3D Acc + 3D Gyro .................................. 6

2.1.5

IIS3DWB ultra-wide bandwidth (up to 6 kHz), low-noise, 3-axis digital vibration sensor ... 6

2.1.6

IIS2DH ultra-low power 3-axis high-performance accelerometer..................... 6

2.1.7

IIS2MDC 3-axis magnetometer .............................................. 6

2.1.8

IMP23ABSU analog MEMS microphone with extended frequency response up to 80 kHz for

ultrasound applications .................................................... 7

2.1.9

IMP34DT05 digital MEMS microphone ........................................ 7

2.2

Processing and connectivity ..................................................... 7

2.2.1

STM32L4R9ZI Cortex-M4F 120MHz 640Kb RAM................................ 9

2.2.2

BlueNRG-M2 very low power application processor module for Bluetooth® low energy v5.0

..................................................................... 10

2.2.3

STEVAL-STWINWFV1 Wi-Fi expansion (not included in the kit) for the SensorTile wireless

industrial node (STWIN) kit ................................................ 10

2.2.4

STR485LV 3.3V RS485 up to 20Mbps ....................................... 10

2.2.5

USB connector ......................................................... 11

2.2.6

STSAFE-A110 authentication, state-of-the-art security for peripherals and IoT devices .. 11

2.2.7

microSD card socket ..................................................... 11

2.2.8

Clock sources .......................................................... 11

2.3

Power management ........................................................... 11

2.3.1

Battery connectors ...................................................... 13

2.3.2

Power supply .......................................................... 13

2.3.3

Power ON/OFF procedure ................................................ 14

2.3.4

Power consumption evaluation ............................................. 14

2.4

Buttons, LEDs and connectors .................................................. 15

2.4.1

Flex expansion connector ................................................. 15

2.4.2

STMod+ connector ...................................................... 17

2.4.3

Connectivity expansion connector........................................... 18

2.4.4

Sensor expansion connector............................................... 18

2.5

Protective plastic box .......................................................... 19

2.6

STLINK-V3MINI debugger and programmer for STM32 ............................. 19

How to program the board ........................................................20

UM2777

Contents

UM2777 - Rev 4

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