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Features

 Main microcontroller features

– Supply voltage range 1.65 V to 3.6 V

– Low power consumption (Halt: 0.3 µA, 

Active-halt: 0.8 µA, Dynamic Run: 

150 µA/MHz) 

– STM8 Core with up to 16 CISC MIPS 

throughput

– Temp. range: -40 to 85 °C and 125 °C

  Memories

– Up to 8 Kbytes of Flash program including 

up to 2 Kbytes of data EEPROM

– Error correction code (ECC) 

– Flexible write and read protection modes

– In-application and in-circuit programming

– Data EEPROM capability

– 1.5 Kbytes of static RAM

  Clock management

– Internal 16 MHz RC with fast wakeup time 

(typ. 4 µs)

– Internal low consumption 38 kHz RC 

driving both the IWDG and the AWU

 Reset and supply management

– Ultralow power, ultrasafe power-on-reset 

/power down reset

– Three low power modes: Wait, Active-halt, 

Halt

 Interrupt management

– Nested interrupt controller with software 

priority control

– Up to 29 external interrupt sources

 I/Os

– Up to 30 I/Os, all mappable on external 

interrupt vectors

– I/Os with prog. input pull-ups, high 

sink/source capability and one LED driver 

infrared output

 

 Peripherals

– Two 16-bit general purpose timers (TIM2 

and TIM3) with up and down counter and 2 

channels (used as IC, OC, PWM)

– One 8-bit timer (TIM4) with 7-bit prescaler

– Infrared remote control (IR)

– Independent watchdog

– Auto-wakeup unit

– Beeper timer with 1, 2 or 4 kHz frequencies

– SPI synchronous serial interface 

– Fast I2C Multimaster/slave 400 kHz

– USART with fractional baud rate generator

– 2 comparators with 4 inputs each

 Development support

– Hardware single wire interface module 

(SWIM) for fast on-chip programming and 

non intrusive debugging

– In-circuit emulation (ICE)

 

 

 

 

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