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STM32L071RZT6

Ultra-low-power Cortex-M0+ MCU, 32MHz, 192kB Flash, 6kB EEPROM, 0.29µA Standby, LQFP-64

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制造商零件：

STM32L071RZT6

包装：

LQFP-64（10 x 10 x 1.4 毫米）

品牌：
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说明

产品概览

The STM32L071RZT6 from STMicroelectronics is an ultra-low-power Arm Cortex-M0+ microcontroller operating at 32 MHz with 192 kB of Flash memory and 20 kB of SRAM. It features 6 kB of data EEPROM with ECC and is packaged in a 64-pin LQFP. The device offers extensive low-power modes including 0.29 µA Standby and 0.43 µA Stop mode.

主要规格

核心 ARM Cortex-M0+ (32-bit)
Max Clock Frequency 32 MHz
Flash Memory 192 kB (with ECC, dual-bank read-while-write)
SRAM 20 kB
Data EEPROM 6 kB (with ECC)
电源电压 1.65V to 3.6V
Standby Mode 0.29 µA (3 wakeup pins)
Stop Mode 0.43 µA (16 wakeup lines)
Run Mode 93 µA/MHz
工作温度 -40°C to +125°C
包装 LQFP-64 (10 x 10 mm)
I/O Pins 52

特点

  • Ultra-low-power platform with 5 µs wakeup from Flash
  • 12-bit ADC at 1.14 Msps with hardware oversampling
  • Two ultra-low-power comparators
  • Low-power UART (LPUART) for always-on communication
  • Low-power timer (LPTIM) for autonomous operation
  • Up to 3x I2C, 2x SPI, 1x I2S, 4x USART, 1x LPUART
  • Real-time clock (RTC) with calendar and alarm
  • Pre-programmed bootloader (USART, I2C, SPI)
  • 84 fast I/Os (78 are 5V tolerant)

应用

  • Battery-powered IoT sensor nodes
  • Smart meters (water, gas, electricity)
  • Wearable health monitoring devices
  • Building automation and HVAC controllers
  • Portable medical instruments
  • Asset tracking and beaconing

The STM32L071RZT6 is an access line ultra-low-power microcontroller from STMicroelectronics, incorporating the Arm Cortex-M0+ 32-bit RISC core operating at 32 MHz. It features up to 192 kB of Flash program memory with ECC and dual-bank read-while-write capability, 6 kB of data EEPROM with ECC for non-volatile parameter storage, and 20 kB of RAM. The device provides exceptional power efficiency with 0.29 µA Standby mode, 0.43 µA Stop mode, and 93 µA/MHz in Run mode. A comprehensive set of power-saving modes, including a 5 µs wakeup time from Flash, enables the design of long-life battery-powered applications. The STM32L071RZT6 operates from 1.65V to 3.6V over a -40°C to +125°C temperature range.

The STM32L071RZT6 operates through four key subsystems:

1. Core & Memory: The Cortex-M0+ core runs at 32 MHz (0.95 DMIPS/MHz) with an MPU for application security. Flash memory supports ECC and dual-bank operation for read-while-write firmware updates. The 6 kB EEPROM with ECC provides reliable non-volatile storage for configuration data without external components. A 20-byte backup register set survives Standby mode.

2. Ultra-Low-Power Architecture: Multiple low-power modes are available: Run (93 µA/MHz), Sleep, Stop (0.43 µA with 16 wakeup lines, 0.86 µA with RTC and RAM retention), and Standby (0.29 µA with 3 wakeup pins). An internal voltage adaptation circuit optimizes power consumption. The 5 µs wakeup time from Flash enables frequent sleep cycles.

3. Analog Peripherals: A 12-bit ADC with 1.14 Msps sampling and hardware oversampling supports up to 16 channels, consuming only 41 µA at 10 ksps. Two ultra-low-power comparators enable threshold detection in Stop mode. An internal voltage reference and temperature sensor are also available.

4. Communication & Timing: The device includes 3x I2C, 2x SPI, 1x I2S, 4x USART, and a low-power UART (LPUART) for always-on communication at minimal current. A low-power timer (LPTIM) operates autonomously in Stop mode. The RTC with calendar and alarm provides timekeeping in all low-power modes.

针脚 名称 类型 功能
1 VBAT 电源 Battery backup for RTC and backup registers
2 PC13 输入/输出 GPIO / RTC_OUT / RTC_TAMP
3 PC14 输入/输出 GPIO / OSC32_IN
4 PC15 输入/输出 GPIO / OSC32_OUT
5 VSS_IN 电源 Input ground (for VDD_IN)
6 VDD_IN 电源 Input supply (1.65–3.6V)
7 PH0 输入/输出 GPIO / OSC_IN
8 PH1 输入/输出 GPIO / OSC_OUT
9 NRST 输入/输出 Reset (active low)
10 PC0 输入/输出 GPIO / ADC_IN10
12 PA0 输入/输出 GPIO / WKUP1 / USART2_CTS / ADC_IN0
16 PA4 输入/输出 GPIO / SPI1_NSS / USART2_CK / DAC_OUT
20 PA8 输入/输出 GPIO / USART1_CK / TIM1_CH1
24 PA12 输入/输出 GPIO / USART2_RX / SPI2_MOSI
31 PA15 输入/输出 GPIO / SPI1_NSS / USART2_RX
32 PC10 输入/输出 GPIO / USART3_TX / UART4_TX
37 VDDA 电源 Analog supply (1.65–3.6V)
38 VSSA 电源 Analog ground
44 BOOT0 输入 Boot mode selection
48 VDD 电源 Digital supply (1.65–3.6V)
  • Battery-powered IoT nodes: 0.29 µA Standby mode with 5 µs wakeup enables coin-cell operation for years in remote sensor applications
  • Smart meters: 6 kB EEPROM with ECC stores calibration and billing data without external memory; dual-bank Flash supports OTA firmware updates
  • Wearable devices: Low-power UART and LPTIM enable always-on activity monitoring at sub-µA current levels
  • Building automation: Multiple I2C/SPI/UART interfaces support sensor aggregation with 41 µA ADC conversion at 10 ksps
  • Portable medical instruments: 12-bit ADC with hardware oversampling and ultra-low-power comparators for vital sign monitoring
制造商 部件编号 包装 说明
意法半导体 STM32L071RBT6 LQFP-64 128 kB Flash version
意法半导体 STM32L071VZT6 LQFP-100 Same features, 100-pin package
意法半导体 STM32L072RZT6 LQFP-64 Adds USB FS device and AES
意法半导体 STM32L081RZT6 LQFP-64 Adds AES-128 hardware crypto
恩智浦 LPC812M101JD20 SOIC-20 Cortex-M0+, 16 kB Flash, smaller package
硅实验室 EFM32TG11B120F128GM48 QFN-48 Cortex-M0+, 128 kB Flash, low-power
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • 汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • 医疗设备: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

联系我们

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

Online Inquiry Form

Support Excel, PDF, CSV format files for full BOM list quotation

Submit your component procurement and custom packaging needs via the form below. We will provide a detailed quotation and professional solution within 1–8 working hours.

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