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STM8AL3189：Automotive 8-bit ultra-low-power MCU with 64 Kbytes Flash, LIN, RTC, data EEPROM, timers, USARTs, I2C, SPIs, ADC, DAC, COMPs

The high-density STM8AL3x8x ultra-low-power devices feature an enhanced STM8 CPU core providing increased processing power (up to 16 MIPS at 16 MHz) while maintaining the advantages of a CISC architecture with improved code density, a 24-bit linear addressing space and an optimized architecture for low-power operations.

The family includes an integrated debug module with a hardware interface (SWIM) which allows non-intrusive in-application debugging and ultrafast Flash programming.

All high-density STM8AL3x8x microcontrollers feature embedded data EEPROM and low-power low-voltage single-supply program Flash memory.

The devices incorporate an extensive range of enhanced I/Os and peripherals, a 12-bit ADC, two DACs, two comparators, a real-time clock, 8x40 or 4x44-segment LCD, four 16-bit timers, one 8-bit timer, as well as standard communication interfaces such as two SPIs, an I²C interface, and three USARTs. One 8x40 or 4x44-segment LCD is available on the STM8AL3L8x devices. The modular design of the peripheral set allows the same peripherals to be found in different ST microcontroller families including 32-bit families. This makes any transition to a different family very easy, and simplified even more by the use of a common set of development tools.

Key Features

• AEC-Q100 grade 1 qualified
• Operating conditions
  • Operating power supply range 1.8 V to 3.6 V (down to 1.65 V at power down)
  • Temp. range: -40 to 85 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 5 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
• DMA
  • 4 ch. for ADC, DACs, SPIs, I2 C, 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 Kbytes of Flash with up to 2 Kbytes of data EEPROM with ECC and RWW
  • Flexible write/read protection modes
  • Up to 4 Kbytes of RAM
• 2x12-bit DAC (dual mode) with output buffer
• 2 ultra-low-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
  • One window and one independent watchdog
  • Beeper timer with 1, 2 or 4 kHz frequencies
• Communication interfaces
  • Two synchronous serial interface (SPI)
  • Fast I2 C 400 kHz SMBus and PMBus
  • Three USARTs (IrDA, LIN 1.3, LIN2.0)
• Up to 67 I/Os, all mappable on interrupt vectors
• Fast on-chip programming and non-intrusive debugging with SWIM, Bootloader using USART
• 96-bit unique ID

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