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STMicroelectronics STM8S 8-bit MCUs

STMicroelectronics' new STM8S family of 8-bit microcontrollers combines leading-edge performance, robustness, peripherals, and cost effectiveness. These high-performance MCUs feature an advanced 20MIP STM8 8-bit core with Harvard Architecture and 3-stage Pipeline, robust architecture (dual watchdogs, clock security, and IEC61967-compliant EMI emission), a rich peripheral set (10-bit ADC, advanced timers, CAN, UARTs, SPI, I2C), and maximum integration (true EEPROM, 16 MHz and 128 KHz on-chip RC oscillators). The STMicroelectronics STM8S family meets the demanding requirements of industrial and appliance applications while providing a host of other benefits, including excellent performance and code density, scalability in memory, and reduced system cost and external component needs. STM8S MCUs are good for accurate control, monitoring, and communication and are suitable for high-performance and cost-sensitive general purpose 8-bit MCU applications.

 STMicroelectronics STM8S MCUs View Products List

Features
  • 3.0 to 5.5 V, -40 to +125° C range
  • Up to 20 MIPS @ 24 MHz, Harvard architecture
  • 16-bit advanced control timer
  • Embedded true EEPROM, 300 Kcycles
  • CAN, 2xU(S)ART, SPI, I2C
  • Single-voltage Flash memory with single-byte programming granularity
  • 4 low-power modes
  • Trimmable 16 MHz and 128 kHz internal RC oscillators with dual
    independent watchdogs and 2 μs fast switching between clock sources
  • Integrated POR and BOR
  • Low emission and high current injection immunity
  • 4 to 128 Kbyte Flash in 20 to 80 pin packages
  • On-chip debugging and programming through single-wire interface, SWIM
  • Up to 16-channel 10-bit ADC ±1 LSB with scan mode,conversion time < 3 μs
Benefits
  • Ideal for industrial and appliance requirements
  • Optimized core performance and code-size efficiency
  • Satisfies all needs with configurable modes, motor control, capture,
    compare, PWM, and others
  • Lower system cost
  • All essential communication peripherals supporting various protocols
  • In-application programming (IAP), in-circuit programming (ICP)
  • Efficient power management
  • Reduced cost, robust clock architecture, optimized power consumption
  • Reliable reset mechanism during power up and down
  • Outstanding EMC, no need for extra protection
  • Package-in-package compatible across family, ideal choice of platform
  • Easy to use, non-intrusive and low-cost development environment
  • Fast and accurate A/D converter
Applications
  • Home appliances
  • HVAC
  • User interfaces
  • Factory automation
  • Motor control
  • Sensors
  • Lighting
  • Personal care
  • Power tools
  • E-bikes
  • Circuit breakers
  • Rechargeable battery operated devices
  • Toys and game accessories
  • Power supplies and power management




Development Tools

The STEVAL-IHT001V2 thermostat kit provides a robust and low-cost ST solution (microcontroller and AC switches) to control refrigerators, freezers or fridge/freezer combinations. Basic, defrost, and air circulation versions are configurable in order to address the low-end and medium-end cooling appliances market. It allows the control of a single-phase induction motor and a light bulb, and optionally, a defrost resistor and a fan, working on 120/230 VRMS, 50/60 Hz mains voltage. For demonstrative purposes a graphic user interface (GUI) has been developed. The connection between the PC and STM8S microcontroller, the MCU performing thermostat regulation, is achieved through a USB bus. As the STM8S is a low-cost MCU without an embedded USB peripheral, an additional MCU (STM32) has been used as a bridge between the PC and STM8S MCU, for demonstrative purposes only.


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STM8S Block Diagram

STM8S Product Lines



    • STMicroelectronics
    • Semiconductors|IC-MCU/MPU