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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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