STM8L101F3U6

Ultra-low-power 8-bit STM8 MCU, 16MHz, 8KB Flash, 1.5KB RAM, 2KB EEPROM, UFQFPN20

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Manufacturer Part：

STM8L101F3U6

Package：

UFQFPN-20 (3x3x0.6 mm)

Brand：
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Service & Packaging
Product Manual
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Description

Product Overview

The STM8L101F3U6 is an entry-level ultra-low-power 8-bit microcontroller from STMicroelectronics’ STM8L family. Built around the enhanced STM8 CPU core with up to 16 MIPS throughput at 16 MHz, it features 8 KB of Flash program memory including up to 2 KB of data EEPROM with ECC, 1.5 KB of SRAM, and a comprehensive peripheral set in a compact UFQFPN20 package. The device offers industry-leading low-power performance with Halt mode current as low as 0.3 uA, making it ideal for battery-powered and energy-harvesting applications where power efficiency is critical.

Key Specifications

Core STM8 8-bit CISC
Maximum Frequency 16 MHz
Flash Memory 8 KB (with ECC)
RAM 1.5 KB
EEPROM 2 KB (data EEPROM)
Supply Voltage 1.65 V to 3.6 V
Operating Temperature -40°C to +85°C
GPIO Count 18
Timers 2x 16-bit + 1x 8-bit
Package UFQFPN-20 (3×3 mm)

Features

  • Ultra-low power: 0.3 uA Halt, 0.8 uA Active-halt, 150 uA/MHz Run
  • Enhanced STM8 core with 16 MIPS throughput
  • 8 KB Flash with ECC + 2 KB data EEPROM
  • Three low-power modes: Wait, Active-halt, Halt
  • Fast 4 us wakeup from internal 16 MHz RC
  • 2x 16-bit general purpose timers (TIM2/TIM3)
  • 1x 8-bit basic timer (TIM4) with 7-bit prescaler
  • Infrared remote control (IR) interface
  • Independent watchdog, auto-wakeup unit, beeper
  • SPI, fast I2C (400 kHz), USART
  • 2x comparators with 4 inputs each
  • 96-bit unique ID, SWIM debug interface

Applications

  • Low-power sensor networks
  • Remote controls and keypads
  • Battery-powered IoT devices
  • Smart home automation nodes
  • Wearable electronics
  • Industrial monitoring sensors
  • Portable measurement devices

The STM8L101F3U6 is an ultra-low-power 8-bit microcontroller from STMicroelectronics, featuring the enhanced STM8 CPU core providing up to 16 MIPS throughput at 16 MHz. It includes 8 Kbytes of Flash program memory with up to 2 Kbytes of data EEPROM, 1.5 Kbytes of static RAM, and a rich set of peripherals including two 16-bit general purpose timers, one 8-bit timer, infrared interface, SPI, I2C, and USART. The device operates from 1.65 V to 3.6 V supply voltage and offers three low-power modes: Wait, Active-halt, and Halt with current as low as 0.3 uA. Packaged in UFQFPN20, it is ideal for space-constrained battery-powered applications.

The STM8L101F3U6 uses an enhanced STM8 8-bit core with CISC architecture, 3-stage pipeline, and 20 addressing modes delivering up to 16 MIPS. The ultra-low-power design features an internal voltage regulator with main and low-power modes that automatically switch based on operating mode. Clock management includes an internal 16 MHz RC (4 us fast wakeup) and a 38 kHz low-power RC driving the independent watchdog and auto-wakeup unit. Three power-saving modes progressively reduce power consumption: Wait mode (CPU stopped, peripherals active), Active-halt (0.8 uA with AWU), and Halt (0.3 uA, wakeup via external interrupt). The nested interrupt controller supports 3 software priority levels with up to 29 external interrupt sources.

Pin Name Type Description
PA0 I/O HS/SWIM/BEEP/IR_TIM (Pin 1)
PA1 I/O OSCIN (Pin 2)
PA2 I/O OSCOUT (Pin 3)
PA3 I/O GPIO (Pin 5)
PB0 I/O GPIO / ADC ch0 (Pin 6)
PB1 I/O GPIO / ADC ch1 (Pin 7)
PB2 I/O GPIO / ADC ch2 (Pin 8)
PB3 I/O GPIO / ADC ch3 (Pin 9)
PB4 I/O GPIO / I2C_SDA (Pin 10)
PB5 I/O GPIO / I2C_SCL (Pin 11)
PC0 I/O GPIO / SPI_SCK (Pin 13)
PC1 I/O GPIO / SPI_MOSI (Pin 14)
PC2 I/O GPIO / SPI_MISO (Pin 15)
PC2 I/O GPIO / SPI_MISO (Pin 15)
PC3 I/O HS / USART_TX (Pin 16)
PC4 I/O HS / USART_RX (Pin 17)
PC5 I/O HS / USART_CK / CCO (Pin 18)
NRST I Reset (Pin 4)
VDD P Power supply (Pin 12)
VSS P Ground (Pin 19, EPAD Pin 20)
  • Low-power sensor nodes and data loggers
  • Battery-powered remote controls
  • Smart home and building automation
  • Wearable devices and accessories
  • Industrial monitoring and control
  • Portable instrumentation
Model Flash Package Description
STM8L101F3P6 8KB TSSOP20 Same memory, through-hole friendly
STM8L101G3 8KB TSSOP28 More I/O pins
STM8L101K3 8KB LQFP32 Maximum I/O count
STM8L101F2 4KB UFQFPN20 Lower cost, smaller Flash
STM8S003F3 8KB UFQFPN20 Value line, wider voltage (2.95-5.5V)
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Quality Assurance

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:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: 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.

Contact Us

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

 

Shipping & Payment

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

Service & Packaging

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

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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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