技术特性

• Operating conditions
  • Operating power supply: 1.65 to 3.6 V (without BOR), 1.8 to 3.6 V (with BOR)
  • Temp. range: −40 to 85, 105 or 125 °C
• Low power features
  • 5 low power modes: Wait, Low power run (5.9 μA), Low power wait (3 μA), Active-halt with full RTC (1.4 μA), Halt (400 nA)
  • Dynamic power consumption: 200 μA/MHz+330 μA
  • Fast wake up from Halt mode (4.7 μs)
  • Ultra low leakage per I/0: 50 nA
• Advanced STM8 core
  • Harvard architecture and 3-stage pipeline
  • Max freq: 16 MHz, 16 CISC MIPS peak
  • Up to 40 external interrupt sources
• Reset and supply management
  • Low power, ultrasafe BOR reset with 5 programmable thresholds
  • Ultralow power POR/PDR
  • Programmable voltage detector (PVD)
• Clock management
  • 32 kHz and 1-16 MHz crystal oscillators
  • Internal 16 MHz factory-trimmed RC and 38 kHz low consumption RC
  • Clock security system
• Low power RTC
  • BCD calendar with alarm interrupt,
  • Digital calibration with +/- 0.5ppm accuracy
  • Advanced anti-tamper detection
• DMA
  • 4 ch. for ADC, DACs, SPIs, I²C, USARTs, Timers, 1 ch. for memory-to-memory
• LCD: 8x40 or 4x44 w/ step-up converter
• 12-bit ADC up to 1 Msps/28 channels
  • Temp. sensor and internal ref. voltage
• Memories
  • Up to 64 KB of Flash memory with up to 2 KB of data EEPROM with ECC and RWW
  • Flexible write/read protection modes
  • Up to 4 KB of RAM
• 2x12-bit DAC (dual mode) with output buffer
• 2 ultralow power comparators
  • 1 with fixed threshold and 1 rail to rail
  • Wakeup capability
• Timers
  • Three 16-bit timers with 2 channels (IC, OC, PWM), quadrature encoder
  • One 16-bit advanced control timer with 3 channels, supporting motor control
  • One 8-bit timer with 7-bit prescaler
  • 1 Window and 1 independent watchdog
  • Beeper timer with 1, 2 or 4 kHz frequencies
• Communication interfaces
  • Two synchronous serial interface (SPI)
  • Fast I²C 400 kHz SMBus and PMBus
  • Three USARTs (ISO 7816 interface + IrDA)
• Up to 67 I/Os, all mappable on interrupt vectors
• Up to 16 capacitive sensing channels with free firmware
• Fast on-chip programming and non-intrusive debugging with SWIM, Bootloader using USART
• 96-bit unique ID

功能框图