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STM8S103F3：Mainstream Access line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM

The STM8S103F2/x3 access line 8-bit microcontrollers offers 8 Kbyte Flash program memory, plus integrated true data EEPROM. The STM8S microcontroller family reference manual (RM0016) refers to devices in this family as low-density. They provide the following benefits: performance, robustness, and reduced system cost.

Device performance and robustness are ensured by advanced core and peripherals made in a state-of-the art technology, a 16 MHz clock frequency, robust I/Os, independent watchdogs with separate clock source, and a clock security system.

The system cost is reduced thanks to an integrated true data EEPROM for up to 300 k write/erase cycles and a high system integration level with internal clock oscillators, watchdog and brown-out reset.

Full documentation is offered as well as a wide choice of development tools.

Key Features

• Core
  • 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
  • Extended instruction set
• Memories
  • Program memory: 8 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle
  • Data memory: 640 byte true data EEPROM; endurance 300 kcycle
  • RAM: 1 Kbyte
• Clock, reset and supply management
  • Low-power modes (wait, active-halt, halt)
  • Switch-off peripheral clocks individually
  • Clock security system with clock monitor
  • Power management:
    • Low-power modes (wait, active-halt, halt)
    • Switch-off peripheral clocks individually
    • Clock security system with clock monitor
    • Internal low-power 128 kHz RC
  • Permanently active, low-consumption power-on and power-down reset
• Interrupt management
  • Nested interrupt controller with 32 interrupts
  • Up to 27 external interrupts on 6 vectors
• Timers
  • Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
  • 16-bit general purpose timer, with 3 CAPCOM channels (IC, OC or PWM)
  • 8-bit basic timer with 8-bit prescaler
  • Auto wake-up timer
  • Window watchdog and independent watchdog timers
• Communication interfaces
  • UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode
  • SPI interface up to 8 Mbit/s
  • I2C interface up to 400 kbit/s
• Analog to digital converter (ADC)
  • 10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog
• I/Os
  • Up to 28 I/Os on a 32-pin package including 21 high sink outputs
  • Highly robust I/O design, immune against current injection
• Unique ID
  • 96-bit unique key for each device

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