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

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  • The medium-density STM8L151x4/6 and STM8L152x4/6 devices are members of the STM8L ultra-low-power 8-bit family. The medium-density STM8L15x family operates from 1.8 V to 3.6 V (down to 1.65 V at power down) and is available in the -40 to +85 °C and -40 to +125 °C temperature ranges.

    The medium-density STM8L15x ultra-low-power family features the 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 ultra-fast Flash programming.
    All medium-density STM8L15x microcontrollers feature embedded data EEPROM and low-power, low-voltage, single-supply program Flash memory.
    They incorporate an extensive range of enhanced I/Os and peripherals.
    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.
    Six different packages are proposed from 28 to 48 pins. Depending on the device chosen, different sets of peripherals are included.
    All STM8L ultra-low-power products are based on the same architecture with the same memory mapping and a coherent pinout.

    Key Features

    • Operating conditions
      • Operating power supply range 1.8 V to 3.6 V (down to 1.65 V at power down)
      • Temp. range: - 40 °C to 85, 105 or 125 °C
    • Low power features
      • 5 low power modes: Wait, Low power run (5.1 μA), Low power wait (3 μA), Active-halt with full RTC (1.3 μA), Halt (350 nA)
      • Consumption: 195 μA/MHz + 440 μA
      • Ultra-low leakage per I/0: 50 nA
      • Fast wakeup from Halt: 4.7 μs
    • 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 selectable thresholds
      • Ultra-low-power POR/PDR
      • Programmable voltage detector (PVD)
    • Clock management
      • 1 to 16 MHz crystal oscillator
      • 32 kHz crystal oscillator
      • Internal 16 MHz factory-trimmed RC
      • Internal 38 kHz low consumption RC
      • Clock security system
    • Low power RTC
      • BCD calendar with alarm interrupt
      • Auto-wakeup from Halt w/ periodic interrupt
    • LCD: up to 4x28 segments w/ step-up converter
    • Memories
      • Up to 32 KB of Flash program memory and 1 Kbyte of data EEPROM with ECC, RWW
      • Flexible write and read protection modes
      • Up to 2 Kbyte of RAM
    • DMA
      • 4 channels; supported peripherals: ADC, DAC, SPI, I2C, USART, timers
      • 1 channel for memory-to-memory
    • 12-bit DAC with output buffer
    • 12-bit ADC up to 1 Msps/25 channels
      • T. sensor and internal reference voltage
    • 2 ultra-low-power comparators
      • 1 with fixed threshold and 1 rail to rail
      • Wakeup capability
    • Timers
      • Two 16-bit timers with 2 channels (used as 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
      • 2 watchdogs: 1 Window, 1 Independent
      • Beeper timer with 1, 2 or 4 kHz frequencies
    • Communication interfaces
      • Synchronous serial interface (SPI)
      • Fast I2C 400 kHz SMBus and PMBus
      • USART (ISO 7816 interface and IrDA)
    • Up to 41 I/Os, all mappable on interrupt vectors
    • Up to 16 capacitive sensing channels supporting touchkey, proximity, linear touch and rotary touch sensors
    • Development support
      • Fast on-chip programming and non intrusive debugging with SWIM
      • Bootloader using USART
    • 96-bit unique ID

Circuit Diagram

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STM8L151G4U3

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125

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0.7118

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10000

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EAR99

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CHINA

STM8L151G4Y6TR

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WLCSP28

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85

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0.704

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10000

ECCN (US)

EAR99

Country of Origin

SINGAPORE

STM8L151G4Y3TR

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WLCSP28

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125

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0.8095

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10000

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EAR99

Country of Origin

SINGAPORE

STM8L151G4U6TR

Package

UFQFPN 28 4x4x0.55

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DIGIKEY WORLDWIDE 2258 1 Order Now
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2258

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Stock

2645

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Distributor reported inventory date: 2019-11-15

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.619

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

STM8L151G4U6

Package

UFQFPN 28 4x4x0.55

Packing Type

Tray

Unit Price (US$)

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Distributor availability ofSTM8L151G4U6

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DIGIKEY WORLDWIDE 3833 1 Order Now
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Newark Element14 AMERICA 1000 0 Order Now
MOUSER WORLDWIDE 2624 1 Order Now
Farnell Element14 EUROPE 2162 1 Order Now

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1000

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2624

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Farnell Element14

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2162

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Distributor reported inventory date: 2019-11-15

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.619

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

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

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Technical Documentation

    • Description Version Size Action
      DS6372
      8-bit ultra-low-power MCU, up to 32 KB Flash, 1 KB Data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
      15.0
      1.85 MB
      PDF
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    • Description Version Size Action
      AN3137
      Analog-to-digital converter on STM8L and STM8AL devices: description and precision improvement techniques
      3.2
      693.02 KB
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      AN4312
      Design with surface sensors for touch sensing applications on MCUs
      5.0
      1.83 MB
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      5.2
      260.49 KB
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      ESD considerations for touch sensing applications on MCUs
      4.0
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      1.6
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      5.0
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      3.3
      803.43 KB
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      3.2
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      3.1
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      6.0
      429.87 KB
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      4.0
      140.79 KB
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      7.0
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      4.0
      1.64 MB
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      416.26 KB
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      AN3133
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      602.31 KB
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      AN3137

      Analog-to-digital converter on STM8L and STM8AL devices: description and precision improvement techniques

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      Design with surface sensors for touch sensing applications on MCUs

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HW Model, CAD Libraries & SVD

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      1.51 MB
      PDF
      STM32 and STM8 embedded software solutions 7.0
      3.12 MB
      PDF
      STM32 and STM8 software development tools 01.2019
      1.34 MB
      PDF
      STM8L and STM32 L1 series - Ultra-low-power platform 2.0
      789.74 KB
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      STM32 and STM8 Functional Safety Packages

      STM32 and STM8 embedded software solutions

      STM32 and STM8 software development tools

      STM8L and STM32 L1 series - Ultra-low-power platform

Publications and Collaterals

    • Description Version Size Action
      Get ready for the largest IoT development ecosystem 20.0
      1.36 MB
      PDF
      STM8CubeMX eases STM8 configuration 19.01
      1.21 MB
      PDF

      Get ready for the largest IoT development ecosystem

      STM8CubeMX eases STM8 configuration

    • Description Version Size Action
      STM8 8-bit MCU family 18.10
      3.47 MB
      PDF
      Semiconductor solutions for healthcare applications 1.0
      665.18 KB
      PDF

      STM8 8-bit MCU family

      Semiconductor solutions for healthcare applications

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM8L151G4U3
Active
UFQFPN 28 4x4x0.55 Industrial Ecopack2
STM8L151G4U6
Active
UFQFPN 28 4x4x0.55 Industrial Ecopack2
STM8L151G4U6TR
Active
UFQFPN 28 4x4x0.55 Industrial Ecopack2
STM8L151G4Y3TR
Active
WLCSP28 Industrial Ecopack2
STM8L151G4Y6TR
Active
WLCSP28 Industrial Ecopack2

STM8L151G4U3

Package:

UFQFPN 28 4x4x0.55

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 28 4x4x0.55

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8L151G4U6

Package:

UFQFPN 28 4x4x0.55

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 28 4x4x0.55

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8L151G4U6TR

Package:

UFQFPN 28 4x4x0.55

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 28 4x4x0.55

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8L151G4Y3TR

Package:

WLCSP28

Material Declaration**:

Marketing Status

Active

Package

WLCSP28

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8L151G4Y6TR

Package:

WLCSP28

Material Declaration**:

PDF XML

Marketing Status

Active

Package

WLCSP28

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com 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.