The STM8S105S4T6C is a mainstream access line 8-bit Microcontroller, implemented around a high-performance 8-bit core and a state-of-the-art set of peripherals. This platform is manufactured using an ST-proprietary 130nm embedded non-volatile memory technology. The STM8 allows fast and safe development through enhanced stack pointer operations, advanced addressing modes and new instructions. The device offer 16kB of flash program memory and integrated true data EEPROM. Device performance is ensured by a 16MHz CPU clock frequency and enhanced characteristics which include robust I/O, independent watchdogs (with a separate clock source) and a clock security system.

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16MHz Advanced STM8 core with Harvard architecture and 3-stage pipeline

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Extended instruction set

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Low power crystal resonator oscillator

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External clock input

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Internal, user-trimmable 16MHz RC

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Internal low-power 128kHz RC

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Clock security system with clock monitor

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Low-power modes (wait, active-halt, halt)

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Switch-OFF peripheral clocks individually

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Permanently active, low consumption poweron and power-down reset

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Nested interrupt controller with 32 interrupts

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Auto wake-up timer

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Window watchdog and independent watchdog timers

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UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode

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SPI interface up to 8Mbps

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I²C interface up to 400kbps

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10-bit, ±1LSB ADC

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Highly robust I/O design, immune against current injection

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96-bit Unique key for each device