技术特性

• 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)
• 96-bit unique ID

功能框图