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STM8S003F3P6

STM8 8-bit MCU, 16MHz, 8KB Flash, 1KB RAM, UART/SPI/I2C, TSSOP-20

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Manufacturer Part：

STM8S003F3P6

Package：

TSSOP-20 (6.5 x 4.4 x 1.0 mm)

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Description

Product Overview

The STM8S003F3P6 is an 8-bit microcontroller from STMicroelectronics featuring the STM8 core at 16MHz maximum clock frequency. It includes 8KB Flash program memory, 1KB RAM, and 128-byte EEPROM. The device offers extensive peripherals including UART, SPI, I2C, and multiple timers, all in a compact TSSOP-20 package, making it ideal for cost-sensitive applications.

Key Specifications

Core STM8 8-bit
Max Clock Frequency 16MHz
Flash Memory 8KB
RAM 1KB
EEPROM 128 bytes
I/O Pins 16
ADC 5-channel 10-bit
Communication UART, SPI, I2C
Timers 1x 16-bit, 1x 8-bit
Supply Voltage 2.95V to 5.5V
Operating Temperature -40C to +125C
Package TSSOP-20

Features

  • STM8 core with Harvard architecture and 3-stage pipeline
  • 8KB Flash with 10K erase/write cycles endurance
  • 128-byte true EEPROM data memory
  • 5-channel 10-bit ADC with analog watchdog
  • UART, SPI, and I2C serial interfaces
  • Advanced control timer and 8-bit general-purpose timer
  • Internal 16MHz RC oscillator with 1% accuracy
  • In-circuit programming (ICP) and in-application programming (IAP)

Applications

  • Home appliances and white goods
  • Industrial control and motor drives
  • Consumer electronics
  • Power management systems
  • Sensor interface and conditioning

The STM8S003F3P6 from STMicroelectronics is an 8-bit microcontroller based on the STM8 core, offering 16MHz operation with 8KB Flash, 1KB RAM, and 128-byte EEPROM in a compact TSSOP-20 package. It features a comprehensive peripheral set including UART, SPI, I2C, 10-bit ADC, and multiple timers. The internal 16MHz RC oscillator provides 1% accuracy without external components. With in-circuit and in-application programming support, it enables flexible firmware updates in the field.

The STM8S003F3P6 is based on the STM8 8-bit core with Harvard architecture and a 3-stage instruction pipeline for efficient code execution at 16MHz. The CPU accesses Flash, RAM, and EEPROM through separate address spaces. Peripherals are connected via the internal bus and include UART for asynchronous serial communication, SPI for high-speed synchronous communication, I2C for multi-device bus communication, and ADC for analog signal conversion. Timers provide PWM generation, input capture, and timing functions. The device supports multiple low-power modes including wait, active-halt, and halt for power optimization.

Pin Name Type Function
1 PD4/CLK_CCO/BEEP I/O Port D4 / Clock output / BEEP
2 PD5/AIN5/TXD I/O Port D5 / ADC in5 / UART TX
3 PD6/AIN6/RXD I/O Port D6 / ADC in6 / UART RX
4 RST Reset Reset (active low)
5 PA1/OSCIN I/O Port A1 / Oscillator input
6 PA2/OSCOUT I/O Port A2 / Oscillator output
7 PC4/CLK_CCO I/O Port C4 / Clock output
8 PC5/SPI_SCK I/O Port C5 / SPI clock
9 PC6/SPI_MOSI I/O Port C6 / SPI MOSI
10 PC7/SPI_MISO I/O Port C7 / SPI MISO
11 VDD Power Positive supply (2.95-5.5V)
12 VSS Power Ground
13 PB4/AIN2/I2C_SDA I/O Port B4 / ADC in2 / I2C data
14 PB5/AIN3/I2C_SCL I/O Port B5 / ADC in3 / I2C clock
15 PC3/TIM1_CH3/TLI I/O Port C3 / Timer1 CH3
16 PC1/AIN1/TIM1_CH1 I/O Port C1 / ADC in1 / Timer1 CH1
17 PC2/AIN2/TIM1_CH2 I/O Port C2 / ADC in2 / Timer1 CH2
18 NRST Reset Not connected (internal reset)
19 PD1/AIN4/SWIM I/O Port D1 / ADC in4 / SWIM debug
20 PD3/AIN3/TIM2_CH2 I/O Port D3 / ADC in3 / Timer2 CH2
  • Home appliance control (washing machine, microwave, fan)
  • Industrial sensor interface and signal conditioning
  • Motor control for small BLDC and stepper motors
  • Consumer electronics power management
  • LED lighting control and dimming
Manufacturer Part Number Package Notes
STMicroelectronics STM8S103F3P6 TSSOP-20 Pin-compatible upgrade, more Flash
STMicroelectronics STM8S005K6T6 LQFP-32 More I/O, 32KB Flash
Microchip PIC16F18325-I/P PDIP-14 8-bit alternative with similar features
Nuvoton N76E003AT20 TSSOP-20 8051 core alternative
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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.

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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.

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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.

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  1. Settlement Currency

     

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

  2. Bank Charges

     

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  • Air Freight: 7 – 12 working days
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Contact Information

Email: info@materialparts.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.

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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.

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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.

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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@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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