Features
■ 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) – 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, ultra safe BOR reset with five programmable thresholds – Ultra-low-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
■ LCD: 8x40 or 4x44 w/ step-up converter
■ DMA – 4 ch. for ADC, DACs, SPIs, I2C, USARTs, Timers, 1 ch. for memory-to-memory
■ 2x12-bit DAC (dual mode) with output buffer
■ 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 2KB of data EEPROM with ECC and RWW – Flexible write/read protection modes – Up to 4 KB of RAM
■ 2 ultra-low-power comparators – 1 with fixed threshold and 1 rail to rail – Wake up 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 – One window, one 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 supporting touchkey, proximity, linear touch and rotary touch sensors
■ Fast on-chip programming and non-intrusive debugging with SWIM, Bootloader using USART
■ 96-bit unique ID