STM8S103F3P6TR Datasheet

Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, I2C


The STM8S103/105 access line 8-bit microcontrollers offer from 8 Kbytes up to 32 Kbytes of program memory.
All devices of the STM8S103/105 access line provide the following benefits:
● Reduced system cost
– High system integration level with internal clock oscillators, watchdog and brown out reset
● Performance and robustness
– 16 MHz CPU clock frequency
– Robust I/O, independent watchdogs with separate clock source
– Clock security system
● Short development cycles
– Applications scalability across a common family product architecture with compatible pinout, memory map and and modular peripherals.
– Full documentation and a wide choice of development tools
● Product longevity
– Advanced core and peripherals made in a state-of-the art technology
– A family of products for applications with 3.0 V to 5.5 V operating supply

■ Max fCPU: up to 16 MHz
■ Advanced STM8 core with Harvard architecture and 3-stage pipeline
■ Extended instruction set

■ Program memory: Up to 32 Kbytes Flash; data retention 20 years at 85°C after 1 kcycles
■ RAM: Up to 2 Kbytes

Clock, reset and supply management
■ 3.0 to 5.5 V operating voltage
■ Flexible clock control, 4 master clock sources:
– Low power crystal resonator oscillator
– External clock input
– Internal 16 MHz RC
– Internal low power 128 kHz RC
■ Clock security system with clock monitor
■ Power management:
– Low power modes (Wait, Active-halt, Halt)
– Switch-off peripheral clocks individually
■ Permanently active, low consumption power on and power-down reset

Interrupt management
■ Nested interrupt controller with 32 interrupts
■ Up to 37 external interrupts on 6 vectors

■ 2x 16-bit general purpose timers, with 2+3 CAPCOM channels (IC, OC or PWM)
■ Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
■ 8-bit basic timer with 8-bit prescaler
■ Auto wake-up timer
■ 2 watchdog timers: Window watchdog and independent watchdog

Communications interfaces
■ USART or LINUART with clock output for synchronous operation, smartcard mode, IrDA mode, LIN master mode
■ SPI synchronous serial 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 10 multiplexed channels, scan mode and analog watchdog

■ Up to 38 I/Os on a 48-pin package including 9 high sink outputs
■ Highly robust I/O design, immune against current injection



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Manufacturer information


STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends

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