用水计量

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智能水表不仅可以测量水流量，还可以使用无线通信连接到局域网或广域网，从而实现远程位置监控和基础设施维护（通过泄漏检测）以及自动计费和客户管理，包括检测和应对篡改企图。智能仪表由电池供电，因此低功耗设备在定义系统配置方面起着至关重要的作用。 ST通过独特的系统级应用技术和引人注目的半导体产品、评估板和软件开发套件组合为设计师提供支持，以便克服智能水表应用所带来的设计挑战。我们的超低功耗sub-GHz RF通信解决方案支持所有主要协议：长距离协议，其中包括WM-BUS和专用的LPWAN协议，如LoRa和Sigfox，以及短距离协议，如双接口NFC/RFID标签与超低功耗蓝牙（BLE）和802.15.4片上系统。连同超低功耗STM8L或STM32L微控制器，我们的解决方案可帮助应用满足智能水表所需的电池寿命要求。 Read more

Our products and solutions

ST's offer for smart water meter designs ST supports designers with our unique system-level application know-how and a compelling portfolio of semiconductor products, evaluation boards and software development kits to overcome the design challenges raised by smart water meter applications.

Our ultra-low-power sub-GHz RF communication solutions support all major protocols: long-range – including WM-BUS and proprietary LPWAN protocols such as LoRa and Sigfox – and short-range such as dual NFC/RFID interface tags and ultra-low-power Bluetooth Low Energy (BLE) and 802.15.4 system-on-chips. Together with ultra-low-power STM8L or STM32L microcontrollers, our solutions help applications meet the battery lifetime expectancy needed in smart water infrastructures.

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	Resource title		Latest update

应用手册 (5 of 12)

	Resource title	Latest update
PDF	AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process 1.0	24 Mar 2021	24 Mar 2021 AN4653 Cycling endurance and data retention of high density EEPROM based on CMOS F8H process 1.0
PDF	AN5274 EVALKITSTKNX user guide and performances report 3.0	24 Mar 2021	24 Mar 2021 AN5274 EVALKITSTKNX user guide and performances report 3.0
PDF	AN2648 Increasing the resolution of analog temperature sensors 1.4	24 Mar 2021	24 Mar 2021 AN2648 Increasing the resolution of analog temperature sensors 1.4
PDF	AN4962 S2-LP ETSI compliance test at 868 MHz SRD band 1.0	06 Feb 2020	06 Feb 2020 AN4962 S2-LP ETSI compliance test at 868 MHz SRD band 1.0
PDF	AN4708 Signal conditioning for shock sensors 1.0	06 Feb 2020	06 Feb 2020 AN4708 Signal conditioning for shock sensors 1.0
PDF	AN4392 Using the BlueNRG family transceivers under ARIB STD-T66 in the 2400 – 2483.5 MHz band 3.5	16 Apr 2021	16 Apr 2021 AN4392 Using the BlueNRG family transceivers under ARIB STD-T66 in the 2400 – 2483.5 MHz band 3.5
PDF	AN4387 Using the BlueNRG family transceivers under ETSI EN 300 328 in 2400 –2483.5 MHz band 3.1	06 Feb 2020	06 Feb 2020 AN4387 Using the BlueNRG family transceivers under ETSI EN 300 328 in 2400 –2483.5 MHz band 3.1
PDF	AN4378 Using the BlueNRG family transceivers under FCC title 47 part 15 in the 2400 – 2483.5 MHz band 3.3	09 Apr 2021	09 Apr 2021 AN4378 Using the BlueNRG family transceivers under FCC title 47 part 15 in the 2400 – 2483.5 MHz band 3.3
PDF	AN4953 Using the S2-LP transceiver under ARIB STD-T108 in the 920 MHz band 1.0	06 Feb 2020	06 Feb 2020 AN4953 Using the S2-LP transceiver under ARIB STD-T108 in the 920 MHz band 1.0
PDF	AN5008 Using the S2-LP transceiver under the ARIB STD-T67 standard 1.0	06 Feb 2020	06 Feb 2020 AN5008 Using the S2-LP transceiver under the ARIB STD-T67 standard 1.0
PDF	AN4305 Using the SPIRIT1 transceiver with range extender under EN 300 220 at 169 MHz 1.0	06 Feb 2020	06 Feb 2020 AN4305 Using the SPIRIT1 transceiver with range extender under EN 300 220 at 169 MHz 1.0
PDF	AN4772 wM-Bus (2013) firmware stack overview 1.0	06 Feb 2020	06 Feb 2020 AN4772 wM-Bus (2013) firmware stack overview 1.0

技术文档 (2)

	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
PDF	TN1218 Interpreting humidity and temperature readings in the HTS221 digital humidity sensor 4.0		19 Mar 2021	19 Mar 2021 TN1218 Interpreting humidity and temperature readings in the HTS221 digital humidity sensor 4.0

用户手册 (1)

	Resource title		Latest update
PDF	UM1960 Sample wM-Bus 2013 application layer implementation for SPIRIT1 boards 1.0		06 Feb 2020	06 Feb 2020 UM1960 Sample wM-Bus 2013 application layer implementation for SPIRIT1 boards 1.0

简报 (5 of 6)

	Resource title	Latest update
PDF	ST25DV-I2C product presentation 2.2	23 Mar 2021	23 Mar 2021 ST25DV-I2C product presentation 2.2
PDF	STM32 Development Boards Portfolio 1.0	21 Jan 2020	21 Jan 2020 STM32 Development Boards Portfolio 1.0
PDF	STM32 and STM8 software development tools 01.21	28 Jan 2021	28 Jan 2021 STM32 and STM8 software development tools 01.21
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
PDF	STM32L4+ MCU series - Excellence in ultra-low-power with more performance 3.1	05 Oct 2020	05 Oct 2020 STM32L4+ MCU series - Excellence in ultra-low-power with more performance 3.1
PDF	STM32WB Series MCU with built-in Bluetooth LE 5.2 and IEEE 802.15.4 3.1	11 Jan 2021	11 Jan 2021 STM32WB Series MCU with built-in Bluetooth LE 5.2 and IEEE 802.15.4 3.1

宣传册 (5 of 8)

	Resource title	Latest update
PDF	BlueNRG-2 新一代蓝牙低功耗片上系统 3.0	17 Mar 2021	17 Mar 2021 BlueNRG-2 新一代蓝牙低功耗片上系统 3.0
PDF	Industrial MEMS motion sensors 1.0	26 Mar 2021	26 Mar 2021 Industrial MEMS motion sensors 1.0
PDF	Micropower op amp and comparator solutions 2.0	15 Jun 2018	15 Jun 2018 Micropower op amp and comparator solutions 2.0
PDF	s2-LP：超低功耗、高性能、Sub-1 HGz RF收发器 3.0	23 Mar 2020	23 Mar 2020 s2-LP：超低功耗、高性能、Sub-1 HGz RF收发器 3.0
PDF	ST25DV系列动态NFC/RFID标签 ISO/IEC 15693 NFC Forum Type 5 1.1	23 Mar 2021	23 Mar 2021 ST25DV系列动态NFC/RFID标签 ISO/IEC 15693 NFC Forum Type 5 1.1
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

选型指南 (2)

	Resource title		Latest update
PDF	Linear and Switching Voltage Regulators Selection Guide 3.0		16 Apr 2021	16 Apr 2021 Linear and Switching Voltage Regulators Selection Guide 3.0
PDF	Protection devices selection guide 1.0		17 Mar 2021	17 Mar 2021 Protection devices selection guide 1.0

手册 (5)

	Resource title	Latest update
PDF	NFC机遇无处不在 1.1	23 Mar 2021	23 Mar 2021 NFC机遇无处不在 1.1
PDF	STM32L series - Ultra-low-power 32-bit MCUs 18.11	19 Mar 2021	19 Mar 2021 STM32L series - Ultra-low-power 32-bit MCUs 18.11
PDF	STM32L0 Series - Ultra-low-power MCUs - Tailored to your needs 20.5	17 Jun 2020	17 Jun 2020 STM32L0 Series - Ultra-low-power MCUs - Tailored to your needs 20.5
PDF	Sensors for industrial and multi-segment solutions 1.0	06 Feb 2020	06 Feb 2020 Sensors for industrial and multi-segment solutions 1.0
PDF	Serial real-time clock ICs 1.0	26 Feb 2020	26 Feb 2020 Serial real-time clock ICs 1.0

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用水计量

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应用手册 (5 of 12)

技术文档 (2)

用户手册 (1)

简报 (5 of 6)

宣传册 (5 of 8)

选型指南 (2)

手册 (5)

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