●Description
●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
●Features
●Core
●■ Max fCPU: up to 16 MHz
●■ Advanced STM8 core with Harvard architecture and 3-stage pipeline
●■ Extended instruction set
●Memories
●■ 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
●Timers
●■ 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
●I/Os
●■ Up to 38 I/Os on a 48-pin package including 9 high sink outputs
●■ Highly robust I/O design, immune against current injection
