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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
- Operating conditions
Circuit Diagram
Download Sample & Buy
| Part Number | Package | Packing Type | Temperature (°C) | Marketing Status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | Order from ST | Order from Distributors | |
|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||
| STM8L151C4U6 | UFQFPN 48 7x7x0.55 | Tray | -40 | 85 | Active | EAR99 | CHINA | 0.6911 / 10k | Buy now | Check Availability |
| STM8L151C4T6 | LQFP 48 7x7x1.4 | Tray | -40 | 85 | Active | EAR99 | MALAYSIA | 0.708 / 10k | Buy now | Check Availability |
| STM8L151C4T3 | LQFP 48 7x7x1.4 | Tray | -40 | 125 | Active | EAR99 | CHINA | 0.8142 / 10k | No availability of distributors reported, please contact our sales office | |
| STM8L151C4T6TR | LQFP 48 7x7x1.4 | Tape And Reel | -40 | 85 | Active | EAR99 | MALAYSIA | 0.708 / 10k | No availability of distributors reported, please contact our sales office | |
| STM8L151C4U6TR | UFQFPN 48 7x7x0.55 | Tape And Reel | -40 | 85 | Active | EAR99 | CHINA | 0.6911 / 10k | Buy now | Check Availability |
STM8L151C4T3
Package
LQFP 48 7x7x1.4Packing Type
TrayBudgetary Price (US$)*/Qty
0.8142 / 10kSTM8L151C4T6TR
Package
LQFP 48 7x7x1.4Packing Type
Tape And ReelBudgetary Price (US$)*/Qty
0.708 / 10k(*) 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
Featured Videos
We asked Christophe the following questions: - How is ST engaged in the 8-bit MCU market ? - What benefits does the STM8 bring? - What applications are suitable for STM8 (no change) - What kind of ecosystem does STM8 have?
8-bit microcontrollers for industrial and mass-market applications
Here is an opportunity to get to learn the basics of our STM8S value line !
Development Tools
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Picture Part number Manufacturer Description CYCLONE P&E Microcomputer Systems Automated, Stand-Alone Production Programmer, Debug & Test. CYCLONE FX P&E Microcomputer Systems Automated, Stand-Alone Production Programmer, Debug & Test. 
FlashPro Elprotronic Flash programmer for STM8 and ARM based MCUs. 
GangPro Elprotronic Gang programmer for STM8 and ARM based MCUs. 
ST-LINK/V2 ST ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32 
STLINK-V3SET ST STLINK-V3 modular in-circuit debugger and programmer for STM32/STM8 Part NumberAutomated, Stand-Alone Production Programmer, Debug & Test.
Automated, Stand-Alone Production Programmer, Debug & Test.
Flash programmer for STM8 and ARM based MCUs.
Gang programmer for STM8 and ARM based MCUs.
ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32
STLINK-V3 modular in-circuit debugger and programmer for STM32/STM8
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Picture Part number Manufacturer Description CXSTM8 Cosmic Software C Compiler and associated tools for the STM8 family FLASHER-STM8 ST STM8 Flash loader demonstrator (UM0462) IAR C-STAT IAR Systems Static analysis tool; add-on product to IAR Embedded Workbench IAR Embedded Workbench for STM8 IAR Systems Integrated Development Environment. IAR Embedded Workbench for STM8 - Functional Safety IAR Systems Integrated Development Environment. IAR Visual State IAR Systems State-machine modelling tool RIDE-STM8 Raisonance Raisonance branded integrated development environment for STM8 MCUs SENSE Fieldscale An end-to-end solution for the design, schematic capture, and system-level simulation of capacitive touch sensors. 
STM-STUDIO-STM8 ST STM Studio run-time variables monitoring and visualization tool for STM8 microcontrollers 
STM8CubeMX ST STM8Cube configuration and report tool STVD-STM8 ST ST Visual develop IDE for developing ST7 and STM8 applications STVP-LIB-STM8 ST STVP programming toolkit: C++ source files for creating PC programming interface STVP-STM8 ST ST Visual Programmer STM8 winIDEA-STM8 iSYSTEM iSYSTEM's complete software development and test solution for the STM8 MCUs Part NumberC Compiler and associated tools for the STM8 family
STM8 Flash loader demonstrator (UM0462)
Static analysis tool; add-on product to IAR Embedded Workbench
Integrated Development Environment.
Integrated Development Environment.
State-machine modelling tool
Raisonance branded integrated development environment for STM8 MCUs
An end-to-end solution for the design, schematic capture, and system-level simulation of capacitive touch sensors.
STM Studio run-time variables monitoring and visualization tool for STM8 microcontrollers
STM8Cube configuration and report tool
ST Visual develop IDE for developing ST7 and STM8 applications
STVP programming toolkit: C++ source files for creating PC programming interface
ST Visual Programmer STM8
iSYSTEM's complete software development and test solution for the STM8 MCUs
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Embedded Software
Evaluation Tools
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Picture Part number Manufacturer Description 
NUCLEO-8L152R8 ST STM8 Nucleo-64 development board with STM8L152R8 MCU, supports Arduino Uno and ST morpho connectivity 
STM8L-DISCOVERY ST Discovery kit with STM8L152C6 MCU 
STM8L1528-EVAL ST Evaluation board with STM8L152M8 MCU 
STMT/8L-EV1 ST Touch sensing Library for STM8L - Evaluation board Part NumberSTM8 Nucleo-64 development board with STM8L152R8 MCU, supports Arduino Uno and ST morpho connectivity
Discovery kit with STM8L152C6 MCU
Evaluation board with STM8L152M8 MCU
Touch sensing Library for STM8L - Evaluation board
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Picture Part number Manufacturer Description 
STEVAL-IPE012V3 -- Single-phase energy meter with Rogowski coil sensor based on the STPM01 and STM8L152C6 Part NumberSingle-phase energy meter with Rogowski coil sensor based on the STPM01 and STM8L152C6
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Support and Applications
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STM8L151C4T3 | Active | LQFP 48 7x7x1.4 | Industrial | Ecopack2 | |
| STM8L151C4T6 | Active | LQFP 48 7x7x1.4 | Industrial | Ecopack2 | |
| STM8L151C4T6TR | Active | LQFP 48 7x7x1.4 | Industrial | Ecopack2 | |
| STM8L151C4U6 | Active | UFQFPN 48 7x7x0.55 | Industrial | Ecopack2 | |
| STM8L151C4U6TR | Active | UFQFPN 48 7x7x0.55 | Industrial | 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.
