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Ultra-low-power 8-bit MCU with 64 Kbytes Flash, 16 MHz CPU, integrated EEPROM

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Product overview


The high-density and medium+ density STM8L15xx6/8 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 and medium+ density STM8L15xx6/8 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, four 16-bit timers, one 8-bit timer, as well as standard communication interfaces such as two SPIs, an I2C interface, and three USARTs. A 8x40 or 4x44-segment LCD is available on the STM8L152x8 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.

  • All 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-Kbytes of Flash memory with up to 2 Kbytes of data EEPROM with ECC and RWW
      • Flexible write/read protection modes
      • Up to 4 Kbytes 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

Circuit Diagram

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STMicroelectronics - STM8L152K8

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
WLCSP 32 1.9x3.4x0.6 P 0.4 mm Industrial Ecopack2



WLCSP 32 1.9x3.4x0.6 P 0.4 mm

Material Declaration**:

Marketing Status



WLCSP 32 1.9x3.4x0.6 P 0.4 mm



RoHS Compliance Grade


(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors