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Smart Watches

Overview

Solutions

HW Evaluation Tools

Documentation

Tools and Software

Key Products

Smart watches present a unique set of challenges when it comes to design. They offer a feature-set that goes far beyond what is found in traditional watches but come with expectations of a similar form factor. The features offered by the latest smart watches include application and notification syncing with a smartphone, fitness and health monitoring, location service, voice commands, payment and wireless charging. All this needed to be packed in a very small form factor with outstanding performance and long battery life in order to deliver the best user experience. ST provides a range of solutions to match the needs of the most advanced smart watch designs. Read more

X-CUBE-MEMSMIC1

X-CUBE-MEMS1

Serial EEPROM

Proximity Sensors

MEMS Microphones

RTC - Serial Interface

GNSS ICs

Boost Current Regulators for LED

LCD/OLED Display PSUs

NFC Dynamic Tag

SIM & eSIM

Secure Wearable solutions

Wireless Charger ICs

Battery Chargers

Battery Chargers

Smart Reset ICs

Isolated Auxiliary Power Supply up to 20W

Wireless Charger ICs

Latest from ST

All resources

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	Resource title		Latest update

Application Notes (5 of 12)

	Resource title	Latest update
PDF	AN4486 BlueNRG, BlueNRG-MS over-the-air bootloader 2.1	28 Feb 2020	28 Feb 2020 AN4486 BlueNRG, BlueNRG-MS over-the-air bootloader 2.1
PDF	AN4978 Design recommendations for STM32L4xxxx with external SMPS, for ultra-low-power applications with high performance 5.0	25 Sep 2018	25 Sep 2018 AN4978 Design recommendations for STM32L4xxxx with external SMPS, for ultra-low-power applications with high performance 5.0
PDF	AN4722 HTS221 digital humidity sensor: hardware guidelines for system integration 1.0	19 Mar 2021	19 Mar 2021 AN4722 HTS221 digital humidity sensor: hardware guidelines for system integration 1.0
PDF	AN2972 How to design an antenna for dynamic NFC tags 9.0	19 Mar 2021	19 Mar 2021 AN2972 How to design an antenna for dynamic NFC tags 9.0
PDF	AN5038 LIS2DW12: always-on 3D accelerometer 5.0	22 Jan 2021	22 Jan 2021 AN5038 LIS2DW12: always-on 3D accelerometer 5.0
PDF	AN5063 LPS33HW digital pressure sensor: guidelines for system integration 1.0	19 Mar 2021	19 Mar 2021 AN5063 LPS33HW digital pressure sensor: guidelines for system integration 1.0
PDF	AN4911 NDEF management with ST25DVxxx and ST25TVxxx products 4.0	19 Mar 2021	19 Mar 2021 AN4911 NDEF management with ST25DVxxx and ST25TVxxx products 4.0
PDF	AN4630 PCB design guidelines for the BlueNRG and BlueNRG-MS devices 2.1	28 Feb 2020	28 Feb 2020 AN4630 PCB design guidelines for the BlueNRG and BlueNRG-MS devices 2.1
PDF	AN4726 STM32Cube firmware examples for STM32L4 Series and STM32L4+ Series 14.0	25 Mar 2021	25 Mar 2021 AN4726 STM32Cube firmware examples for STM32L4 Series and STM32L4+ Series 14.0
PDF	AN4621 STM32L4 and STM32L4+ ultra-low-power features overview 5.0	28 Feb 2020	28 Feb 2020 AN4621 STM32L4 and STM32L4+ ultra-low-power features overview 5.0
PDF	AN5508 Social Distancing Detection using Bluetooth® Low Energy 1.1	02 Jul 2020	02 Jul 2020 AN5508 Social Distancing Detection using Bluetooth® Low Energy 1.1
PDF	AN4509 Tilt measurement using a low-g 3-axis accelerometer 1.1	19 Mar 2021	19 Mar 2021 AN4509 Tilt measurement using a low-g 3-axis accelerometer 1.1

Technical Notes & Articles (1)

	Resource title		Latest update
PDF	TN1219 HTS221 digital humidity sensor: reference design implementation 2.0		19 Mar 2021	19 Mar 2021 TN1219 HTS221 digital humidity sensor: reference design implementation 2.0

Design Notes & Tips (2)

	Resource title		Latest update
PDF	DT0101 Setting up single-tap and double-tap recognition with ST's MEMS accelerometers 1.0		28 Feb 2020	28 Feb 2020 DT0101 Setting up single-tap and double-tap recognition with ST's MEMS accelerometers 1.0
PDF	DT0098 Setting up wake-up recognition and absolute/relative references with ST's MEMS accelerometers 1.0		28 Feb 2020	28 Feb 2020 DT0098 Setting up wake-up recognition and absolute/relative references with ST's MEMS accelerometers 1.0

Presentations (3)

	Resource title	Latest update
PDF	EEPROM in WLCSP July 2016 1.4	28 Aug 2018	28 Aug 2018 EEPROM in WLCSP July 2016 1.4
PDF	ST25DV-I2C product presentation 2.2	23 Mar 2021	23 Mar 2021 ST25DV-I2C product presentation 2.2
PDF	STM32L4 MCU series - Excellence in ultra-low-power with performance 5.1	18 Sep 2020	18 Sep 2020 STM32L4 MCU series - Excellence in ultra-low-power with performance 5.1

Flyers (5 of 16)

Selection Guides (2)

	Resource title		Latest update
PDF	Linear and Switching Voltage Regulators Selection Guide 3.0		19 Mar 2021	19 Mar 2021 Linear and Switching Voltage Regulators Selection Guide 3.0
PDF	Protection devices and integrated EMI filtering selection guide 2.0		23 Mar 2021	23 Mar 2021 Protection devices and integrated EMI filtering selection guide 2.0

Brochures (5 of 6)

	Resource title	Latest update
PDF	NFC solutions from ST 1.0	23 Mar 2021	23 Mar 2021 NFC solutions from ST 1.0
PDF	Products and solutions for Wearable devices 1.0	23 Nov 2020	23 Nov 2020 Products and solutions for Wearable devices 1.0
PDF	Products and solutions for secure wearables 1.0	23 Nov 2020	23 Nov 2020 Products and solutions for secure wearables 1.0
PDF	ST’s solutions for mobile devices 3.2	23 Nov 2020	23 Nov 2020 ST’s solutions for mobile devices 3.2
PDF	Secure solutions portfolio 2.0	19 Mar 2021	19 Mar 2021 Secure solutions portfolio 2.0
PDF	Serial real-time clock ICs 1.0	26 Feb 2020	26 Feb 2020 Serial real-time clock ICs 1.0

All tools & software

Evaluation Tool Software

Part number	Status	Description	Type	Supplier
STSW-BCNKT01	Active	Embedded software samples for BlueCoin: data streaming via USB and BLE, logging on SD card, gesture recognition, audio acquisition and playback	Evaluation Tool Software	ST	STSW-BCNKT01 Description: Embedded software samples for BlueCoin: data streaming via USB and BLE, logging on SD card, gesture recognition, audio acquisition and playback
ST_WESU	Active	STEVAL-WESU1 Android/iOS app	Evaluation Tool Software	ST	ST_WESU Description: STEVAL-WESU1 Android/iOS app

MCU & MPU Embedded Software

Part number	Status	Description	Type	Supplier
FP-NET-BLESTAR1	Active	STM32Cube function pack for creating a BLE star network connected via Wi-Fi to IBM Watson IoT cloud	STM32 ODE Function Pack SW	ST	FP-NET-BLESTAR1 Description: STM32Cube function pack for creating a BLE star network connected via Wi-Fi to IBM Watson IoT cloud
FP-SNS-ALLMEMS1	Active	STM32 ODE function pack for IoT node with BLE connectivity, digital microphone, environmental and motion sensors	STM32 ODE Function Pack SW	ST	FP-SNS-ALLMEMS1 Description: STM32 ODE function pack for IoT node with BLE connectivity, digital microphone, environmental and motion sensors
FP-SNS-MOTENV1	Active	STM32Cube function pack for IoT node with BLE connectivity and environmental and motion sensors	STM32 ODE Function Pack SW	ST	FP-SNS-MOTENV1 Description: STM32Cube function pack for IoT node with BLE connectivity and environmental and motion sensors
STM32CubeL4	Active	STM32Cube MCU Package for STM32L4 series and STM32L4 Plus series (HAL, Low-Layer APIs and CMSIS, USB, TouchSensing, File system, RTOS, Graphic - and examples running on ST boards)	STM32Cube MCU & MPU Packages	ST	STM32CubeL4 Description: STM32Cube MCU Package for STM32L4 series and STM32L4 Plus series (HAL, Low-Layer APIs and CMSIS, USB, TouchSensing, File system, RTOS, Graphic - and examples running on ST boards)
X-CUBE-6180XA1	Active	Proximity and ambient light sensor software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-6180XA1 Description: Proximity and ambient light sensor software expansion for STM32Cube
X-CUBE-BLE1	Active	Bluetooth Low Energy software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-BLE1 Description: Bluetooth Low Energy software expansion for STM32Cube
X-CUBE-MEMS-XT1	NRND	Sensor and DSP algorithm software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-MEMS-XT1 Description: Sensor and DSP algorithm software expansion for STM32Cube
X-CUBE-MEMS1	Active	Sensor and motion algorithm software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-MEMS1 Description: Sensor and motion algorithm software expansion for STM32Cube
X-CUBE-MEMSMIC1	Active	Analog and digital MEMS microphone acquisition and processing software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-MEMSMIC1 Description: Analog and digital MEMS microphone acquisition and processing software expansion for STM32Cube
X-CUBE-NFC1	Active	STM32Cube expansion software for X-NUCLEO-NFC01A1	STM32Cube Expansion Packages	ST	X-CUBE-NFC1 Description: STM32Cube expansion software for X-NUCLEO-NFC01A1
X-CUBE-NFC4	Active	Dynamic NFC/RFID tag IC software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-NFC4 Description: Dynamic NFC/RFID tag IC software expansion for STM32Cube
X-CUBE-NFC5	Active	High performance HF reader/NFC initiator IC software expansion for STM32Cube	STM32Cube Expansion Packages	ST	X-CUBE-NFC5 Description: High performance HF reader/NFC initiator IC software expansion for STM32Cube

MEMS and Sensors Software

Part number	Status	Description	Type	Supplier
AndroidHAL-IIO	Active	Android sensor HAL for MEMS motion and environmental sensors (Industrial I/O framework)	Drivers for MEMS	ST	AndroidHAL-IIO Description: Android sensor HAL for MEMS motion and environmental sensors (Industrial I/O framework)
AndroidHALInput	Active	Android sensor HAL for MEMS motion and environmental sensors (Input framework)	Drivers for MEMS	ST	AndroidHALInput Description: Android sensor HAL for MEMS motion and environmental sensors (Input framework)
C-Driver-MEMS	Active	Standard C platform-independent drivers for MEMS motion and environmental sensors	Drivers for MEMS	ST	C-Driver-MEMS Description: Standard C platform-independent drivers for MEMS motion and environmental sensors
LinuxDriverIIO	Active	Linux device drivers for MEMS motion and environmental sensors (Industrial I/O framework)	Drivers for MEMS	ST	LinuxDriverIIO Description: Linux device drivers for MEMS motion and environmental sensors (Industrial I/O framework)
LinuxDriverInput	Active	Linux device drivers for MEMS motion and environmental sensors (Input framework)	Drivers for MEMS	ST	LinuxDriverInput Description: Linux device drivers for MEMS motion and environmental sensors (Input framework)

Software Development Tools

Part number	Status	Description	Type	Supplier
AlgoBuilder	Active	Application for the graphical design of algorithms	Sensor Software Development Tools	ST	AlgoBuilder Description: Application for the graphical design of algorithms
STM32CubeMX	Active	STM32Cube initialization code generator	STM32 Configurators and Code Generators	ST	STM32CubeMX Description: STM32Cube initialization code generator

ST25 - NFC / RFID Software

Part number	Status	Description	Type	Supplier
STSW-ST25001	Active	Application executable of the "NFC Tap" Android app for ST25 product family	ST25 - NFC / RFID Software	ST	STSW-ST25001 Description: Application executable of the "NFC Tap" Android app for ST25 product family
STSW-ST25DV001	Active	Firmware for ST25DV-DISCOVERY kit	ST25 - NFC / RFID Software	ST	STSW-ST25DV001 Description: Firmware for ST25DV-DISCOVERY kit
STSW-ST25IOS001	Active	Application executable of the "NFC Tap" iOS app for ST25 product family	ST25 - NFC / RFID Software	ST	STSW-ST25IOS001 Description: Application executable of the "NFC Tap" iOS app for ST25 product family
STSW-ST25R004	Active	Antenna Matching Tool for ST25R NFC/HF reader family	ST25 - NFC / RFID Software	ST	STSW-ST25R004 Description: Antenna Matching Tool for ST25R NFC/HF reader family
STSW-ST25SDK001	Active	Software Development Kit for ST25 Tags and Dynamic Tags	ST25 - NFC / RFID Software	ST	STSW-ST25SDK001 Description: Software Development Kit for ST25 Tags and Dynamic Tags

STM32 Open Development Environment

Part number	Status	Description	Type	Supplier
X-CUBE-53L0A1	Active	Ranging sensor software expansion for STM32Cube	STM32 ODE Sense SW	ST	X-CUBE-53L0A1 Description: Ranging sensor software expansion for STM32Cube
X-CUBE-53L1A1	Active	Long Distance Ranging sensor software expansion for STM32Cube	STM32 ODE Sense SW	ST	X-CUBE-53L1A1 Description: Long Distance Ranging sensor software expansion for STM32Cube

Wireless Connectivity Software

Part number	Status	Description	Type	Supplier
BlueMS	NRND	This app has been replaced by STBLESensor	Wireless Connectivity Software	ST	BlueMS Description: This app has been replaced by STBLESensor
STSW-BLEPROFILES	Active	BlueNRG-1 BLE Profiles SW package	Wireless Connectivity Software	ST	STSW-BLEPROFILES Description: BlueNRG-1 BLE Profiles SW package
STSW-BNRG-Mesh	Active	Mesh over Bluetooth Low Energy	Wireless Connectivity Software	ST	STSW-BNRG-Mesh Description: Mesh over Bluetooth Low Energy
STSW-BNRGLP-Mesh	Active	Mesh over Bluetooth low energy	Wireless Connectivity Software	ST	STSW-BNRGLP-Mesh Description: Mesh over Bluetooth low energy
SensNet	NRND	This app has been replaced by STBLEStarNet	Wireless Connectivity Software	ST	SensNet Description: This app has been replaced by STBLEStarNet

	Resource title	Latest update
PDF	Battery management ICs - STBC02/03 Li-Ion charger with load switches and smart reset generator 04.2017	19 Mar 2021	19 Mar 2021 Battery management ICs - STBC02/03 Li-Ion charger with load switches and smart reset generator 04.2017
PDF	BlueNRG-1 Ultra-low-power Bluetooth® Low Energy System-on-Chip 1	26 Feb 2020	26 Feb 2020 BlueNRG-1 Ultra-low-power Bluetooth® Low Energy System-on-Chip 1
PDF	BlueNRG-2 The IoT Ready Bluetooth® low energy System-on-Chip 4.0	17 Mar 2021	17 Mar 2021 BlueNRG-2 The IoT Ready Bluetooth® low energy System-on-Chip 4.0
PDF	EEPROM in Ultra-small packages 1.0	26 Feb 2020	26 Feb 2020 EEPROM in Ultra-small packages 1.0
PDF	LIS2DW12 Flexible ultra-low-power 3-axis smart accelerometer 1.0	26 Feb 2020	26 Feb 2020 LIS2DW12 Flexible ultra-low-power 3-axis smart accelerometer 1.0
PDF	LPS33HW 10-bar, water-resistant MEMS pressure sensor 1.0	26 Feb 2020	26 Feb 2020 LPS33HW 10-bar, water-resistant MEMS pressure sensor 1.0
PDF	Resets and supervisors - portfolio overview 1.0	25 Feb 2020	25 Feb 2020 Resets and supervisors - portfolio overview 1.0
PDF	ST Protection Finder - The new app for Android and iOS 1.0	23 Mar 2021	23 Mar 2021 ST Protection Finder - The new app for Android and iOS 1.0
PDF	ST25DV-I2C series flyer 1.0	23 Mar 2021	23 Mar 2021 ST25DV-I2C series flyer 1.0
PDF	STM32 GUI solutions - Advanced HMI now achievable on embedded systems 17.12	21 Jan 2019	21 Jan 2019 STM32 GUI solutions - Advanced HMI now achievable on embedded systems 17.12
PDF	STM32L4 Series - Ultra-low-power and performance 18.10	26 Feb 2020	26 Feb 2020 STM32L4 Series - Ultra-low-power and performance 18.10
PDF	STM32L4+ Series - Ultra-low-power and more performance 20.4	15 Apr 2020	15 Apr 2020 STM32L4+ Series - Ultra-low-power and more performance 20.4
PDF	STM32WB Wireless Series Bluetooth LE™ 5.2 and IEEE 802.15.4 21.3	04 Mar 2021	04 Mar 2021 STM32WB Wireless Series Bluetooth LE™ 5.2 and IEEE 802.15.4 21.3
PDF	STTS75 2.2	26 Feb 2020	26 Feb 2020 STTS75 2.2
PDF	SensorTile an IoT design lab	26 Feb 2020	26 Feb 2020 SensorTile an IoT design lab
PDF	Serial EEPROM 1.0	26 Mar 2021	26 Mar 2021 Serial EEPROM 1.0